Editing Cathaoirleach

{{Short description|Presiding officer of the upper house of the legislature of Ireland}}
{{about|the Cathaoirleach of Seanad Éireann}}
{{Use dmy dates|date=December 2021}}
{{Use Hiberno-English|date=November 2021}}
{{Infobox political post
|post            = Cathaoirleach
|body            = <br/>Seanad Éireann
|insignia        = Seanad Eireann logo.png
|insigniasize    = 200px
|insigniacaption = 
|nativename      = 
|image           = Senator Mark Daly at First Sitting of the 27th Seanad Éireann - 12 February 2025 (cropped).jpg
|imagesize       = 165px
|incumbent       = [[Mark Daly (politician)|Mark Daly]]
|incumbentsince  = 12 February 2025
|department      = '''[[Seanad Éireann]]'''
|style           =
|status          = [[Speaker (politics)|Presiding officer]]
|member_of       = {{ubl|[[Seanad Éireann]]|[[Committees of the Oireachtas#Committee of Privileges|Committee of Parliamentary Privileges and Oversight]]|[[Council of State (Ireland)|Council of State]]|[[Presidential Commission (Ireland)|Presidential Commission]]}}
|deputy          = [[Cathaoirleach#Leas-Chathaoirleach|Leas-Chathaoirleach]]
|appointer       = Elected by the members of [[Seanad Éireann]]
|termlength      = No term limits
| constituting_instrument = [https://www.irishstatutebook.ie/eli/cons/en/html#part4. Article 15 – Constitution of Ireland]
|formation       = 6 December 1922
|salary          = [[Euro|€]]138,210 annually<ref>{{cite web|url=https://www.oireachtas.ie/en/members/salaries-and-allowances/salaries/|work=Houses of the Oireachtas|title=TDs and Senators salaries|date=5 March 2025|access-date=9 April 2025|url-status=live}}</ref>
{{small|(including €81,206 senator's salary)}}
|succession      = 
|inaugural       = [[James Campbell, 1st Baron Glenavy|Lord Glenavy]]
|website         = {{Official website|http://www.oireachtas.ie/parliament/tdssenators/officeholders/cathaoirleach/}}
}}
'''Cathaoirleach''' ({{IPAc-en|audio=ga-Cathaoirleach.ogg|k|ə|ˈ|h|ɪər|l|ə|x}};<ref>For the pronunciation in Irish, see [https://forvo.com/word/cathaoirleach/#ga here] {{Webarchive|url=https://web.archive.org/web/20200727192853/https://forvo.com/word/cathaoirleach/#ga |date=27 July 2020 }}.</ref> [[Irish language|Irish]] for [[Chair (officer)|chairperson]]; plural: {{lang|ga|Cathaoirligh}}) is the title of the chair (or [[speaker (politics)|presiding officer]]) of [[Seanad Éireann]], the sixty-member upper house of the [[Oireachtas]], the legislature of [[Republic of Ireland|Ireland]]. The current Cathaoirleach is [[Fianna Fáil]] Senator [[Mark Daly (politician)|Mark Daly]], who has held the office since 12 February 2025.

==Powers and functions==
The Cathaoirleach is the sole judge of order, and has a range of powers and functions, namely:<ref>{{cite web|url=https://www.oireachtas.ie/en/members/office-holders/cathaoirleach/|publisher=Houses of the Oireachtas|title=Cathaoirleach|access-date=20 January 2019|archive-date=21 January 2019|archive-url=https://web.archive.org/web/20190121064656/https://www.oireachtas.ie/en/members/office-holders/cathaoirleach/|url-status=live}}</ref>

*Calls on members to speak and all speeches must be addressed to the Chair.
*Puts such questions to the House as are required, supervises Divisions and declares the results.
*Has authority to suppress disorder, to enforce prompt obedience to Rulings and may order members to withdraw from the House or name them for suspension by the House itself for a period.
*In the case of great disorder can suspend or adjourn the House.

The Cathaoirleach is also an {{lang|la|[[ex officio]]}} member of the [[Council of State (Ireland)|Council of State]], which advises the [[president of Ireland]] in the exercise of their discretionary powers, and of the [[Presidential Commission (Ireland)|Presidential Commission]], which performs the powers and functions of the office of president in their absence.

==List of office-holders==
{{clear}}

===Cathaoirleach===
This list includes the [[vocational panel|panel]] (since 1938) and [[List of political parties in the Republic of Ireland|political affiliation]] of each Cathaoirleach, as well as the [[Seanad Éireann|number of the Seanad]] and time they spent in the position.

{| class="wikitable" style="text-align:center"
|-
!Seanad
!Name<ref>{{cite web|url=https://www.oireachtas.ie/en/members/office-holders/former-office-holders/#Cathaoirligh|publisher=Houses of the Oireachtas|title=Former Cinn Comhairle and Cathaoirligh|access-date=20 January 2019|archive-date=26 October 2018|archive-url=https://web.archive.org/web/20181026143126/https://www.oireachtas.ie/en/members/office-holders/former-office-holders/#Cathaoirligh|url-status=live}}</ref><br>{{small|(Birth–Death)}}
!Portrait
!colspan=2|Term of office
!colspan=2|Party
!Panel
|-
|[[1922 Seanad|1922]]
|rowspan=2|[[James Campbell, 1st Baron Glenavy|Lord Glenavy]]<br>{{small|(1851–1931)}}
|rowspan=2|[[File:James Campbell, 1st Baron Glenavy, 1922.png|70px]]
|rowspan=2|6 December 1922
|rowspan=2|6 December 1928
|{{party name with colour|rowspan=2|Independent politician}}
|rowspan=2|''N/A''
|-
|[[1925 Seanad|1925]]
|-
|[[1928 Seanad|1928]]
|rowspan=3|[[Thomas Westropp Bennett]]<br>{{small|(1867–1962)}}
|rowspan=3|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|rowspan=3|6 December 1928
|rowspan=3|19 May 1936<ref name="senate">The final sitting of [[Seanad Éireann (Irish Free State)|Seanad Éireann]] of the [[Irish Free State]] was held on 19 May 1936. The Seanad was abolished on 29 May 1936. The election for the new Seanad, set up in accordance with the 1937 [[Constitution of Ireland]], was held on 28 March 1938, and the first sitting was held on 27 April 1938.</ref>
|{{party name with colour|rowspan=2|Cumann na nGaedheal}}
|rowspan=3|''N/A''
|-
|[[1931 Seanad|1931]]
|-
|[[1934 Seanad|1934]]
|{{party name with colour|rowspan=1|Fine Gael}}
|-
|[[2nd Seanad|2nd]]
|rowspan=2|[[Seán Gibbons]]<br>{{small|(1883–1952)}}
|rowspan=2|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|rowspan=2|27 April 1938<ref name="senate"/> 
|rowspan=2|8 September 1943
|{{party name with colour|rowspan=2|Fianna Fáil}}
|rowspan=2|[[Agricultural Panel]]
|-
|[[3rd Seanad|3rd]]
|-
|[[4th Seanad|4th]]
|rowspan=2|[[Seán Goulding]]<br>{{small|(1877–1959)}}
|rowspan=2|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|rowspan=2|8 September 1943 
|rowspan=2|21 April 1948 
|{{party name with colour|rowspan=2|Fianna Fáil}}
|[[Industrial and Commercial Panel]]<br>{{small|(1943–1944)}}
|-
|[[5th Seanad|5th]]
|[[Administrative Panel]]<br>{{small|(1944–1948)}}
|-
|[[6th Seanad|6th]]
|[[Timothy O'Donovan]]<br>{{small|(1881–1957)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|21 April 1948 
|14 August 1951
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[7th Seanad|7th]]
|[[Liam Ó Buachalla]]<br>{{small|(1899–1970)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|14 August 1951
|22 July 1954
|{{party name with colour|Fianna Fáil}}
|[[Cultural and Educational Panel]]
|-
|[[8th Seanad|8th]]
|[[Patrick Baxter (politician)|Patrick Baxter]]<br>{{small|(1891–1959)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|22 July 1954
|22 May 1957
|{{party name with colour|Clann na Talmhan}}
|[[Agricultural Panel]]
|-
|[[9th Seanad|9th]]
|rowspan=3|[[Liam Ó Buachalla]]<br>{{small|(1899–1970)}}
|rowspan=3|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|rowspan=3|22 May 1957
|rowspan=3|5 November 1969
|{{party name with colour|rowspan=3|Fianna Fáil}}
|rowspan=3|[[Cultural and Educational Panel]]
|-
|[[10th Seanad|10th]]
|-
|[[11th Seanad|11th]]
|-
|rowspan=2|[[12th Seanad|12th]]
|[[Michael Yeats]]<br>{{small|(1921–2007)}}
|[[File:Michael Yeats, 1977 (cropped).jpg|70px]]
|5 November 1969
|3 January 1973
|{{party name with colour|Fianna Fáil}}
|[[Cultural and Educational Panel]]
|-
|[[Micheál Cranitch]]<br>{{small|(1912–1999)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|3 January 1973 
|1 June 1973
|{{party name with colour|Fianna Fáil}}
|[[Nominated members of Seanad Éireann|Nominated by the Taoiseach]]
|-
|[[13th Seanad|13th]]
|[[James Dooge]]<br>{{small|(1922–2010)}}
|[[File:James Dooge, 1981 (cropped).tif|70px]]
|1 June 1973 
|27 October 1977
|{{party name with colour|Fine Gael}}
|[[Industrial and Commercial Panel]]
|-
|[[14th Seanad|14th]]
|[[Séamus Dolan]]<br>{{small|(1914–2010)}}
|[[File:No image.png|70px]]
|27 October 1977 
|8 October 1981
|{{party name with colour|Fianna Fáil}}
|[[Labour Panel]]
|-
|[[15th Seanad|15th]]
|[[Charles McDonald (Irish politician)|Charles McDonald]]<br>{{small|(born 1935)}}
|[[File:Charles McDonald, June 12 1973 (cropped).jpg|70px]]
|8 October 1981 
|13 May 1982
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[16th Seanad|16th]]
|[[Tras Honan]]<br>{{small|(1930–2023)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|13 May 1982 
|23 February 1983
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|-
|[[17th Seanad|17th]]
|[[Patrick J. Reynolds (politician)|Patrick J. Reynolds]]<br>{{small|(1920–2003)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|23 February 1983 
|25 April 1987
|{{party name with colour|Fine Gael}}
|[[Industrial and Commercial Panel]]
|-
|[[18th Seanad|18th]]
|[[Tras Honan]]<br>{{small|(1930–2023)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|25 April 1987 
|1 November 1989
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|-
|rowspan=2|[[19th Seanad|19th]]
|[[Seán Doherty (Roscommon politician)|Seán Doherty]]<br>{{small|(1944–2005)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|1 November 1989 
|23 January 1992
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|-
|rowspan=2|[[Seán Fallon (politician)|Seán Fallon]]<br>{{small|(1937–1995)}}
|rowspan=2|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|rowspan=2|23 January 1992 
|rowspan=2|4 July 1995
|{{party name with colour|rowspan=2|Fianna Fáil}}
|rowspan=2|[[Industrial and Commercial Panel]]
|-
|rowspan=3|[[20th Seanad|20th]]
|-
|[[Liam Naughten]]<br>{{small|(1944–1996)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|12 July 1995 
|16 November 1996
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[Liam T. Cosgrave]]<br>{{small|(born 1956)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|27 November 1996 
|17 September 1997
|{{party name with colour|Fine Gael}}
|[[Industrial and Commercial Panel]]
|-
|[[21st Seanad|21st]]
|[[Brian Mullooly]]<br>{{small|(born 1935)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|17 September 1997 
|12 September 2002
|{{party name with colour|Fianna Fáil}}
|[[Labour Panel]]
|-
|[[22nd Seanad|22nd]]
|[[Rory Kiely]]<br>{{small|(1934–2018)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|12 September 2002 
|13 September 2007 
|{{party name with colour|Fianna Fáil}}
|[[Agricultural Panel]]
|-
|[[23rd Seanad|23rd]]
|[[Pat Moylan (politician)|Pat Moylan]]<br>{{small|(born 1946)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|13 September 2007 
|25 May 2011
|{{party name with colour|Fianna Fáil}}
|[[Agricultural Panel]]
|-
|[[24th Seanad|24th]]
|[[Paddy Burke]]<br>{{small|(born 1955)}}
|[[File:Paddy Burke 2014.jpg|70px]]
|25 May 2011
|8 June 2016
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[25th Seanad|25th]]
|[[Denis O'Donovan]]<br>{{small|(born 1955)}}
|[[File:Denis O'Donovan at the Enthronement of Naruhito (1).jpg|70px]]
|8 June 2016
|29 June 2020
|{{party name with colour|Fianna Fáil}}
|[[Agricultural Panel]]
|-
|rowspan=2|[[26th Seanad|26th]]
|[[Mark Daly (politician)|Mark Daly]]<br>{{small|(born 1973)}}
|[[File:Mark Daly 2022.jpg|70px]]
|29 June 2020
|16 December 2022
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|-
|[[Jerry Buttimer]]<br>{{small|(born 1967)}}
|[[File:Jerry Buttimer, December 2022 (cropped).jpg|70px]]
|16 December 2022
|30 November 2024
|{{party name with colour|Fine Gael}}
|[[Labour Panel]]
|-
|[[27th Seanad|27th]]
|[[Mark Daly (politician)|Mark Daly]]<br>{{small|(born 1973)}}
|[[File:Senator Mark Daly at First Sitting of the 27th Seanad Éireann - 12 February 2025 (cropped).jpg|70px]]
|12 February 2025
|''Incumbent''
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|}

===Leas-Chathaoirleach===
The Cathaoirleach's deputy is the {{lang|ga|Leas-Chathaoirleach}}.

{| class="wikitable" style="text-align:center"
|-
!Seanad
!Name<br/>{{small|(Birth–Death)}}
!Portrait
!colspan=2|Term of office
!colspan=2|Party
!Panel
|-
|[[1922 Seanad|1922]]
|[[James G. Douglas]]<br>{{small|(1887–1954)}}
|[[File:James Green Douglas, circa 1940s.jpg|70px]]
|12 December 1922
|9 December 1925
|{{party name with colour|Independent politician}}
|''N/A''
|-
|[[1925 Seanad|1925]]
|[[Thomas Westropp Bennett]]<br>{{small|(1867–1962)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|9 December 1925
|12 December 1928
|{{party name with colour|Cumann na nGaedheal}}
|''N/A''
|-
|rowspan=2|[[1928 Seanad|1928]]
|[[Patrick W. Kenny]]<br>{{small|(died 1931)}}
|[[File:Patrick W. Kenny, circa 1927.jpg|70px]]
|12 December 1928
|22 April 1931
|{{party name with colour|Cumann na nGaedheal}}
|''N/A''
|-
|[[Patrick Hooper]]<br>{{small|(died 1931)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|6 May 1931
|6 September 1931
|{{party name with colour|Independent politician}}
|''N/A''
|-
|[[1931 Seanad|1931]]
|[[Michael F. O'Hanlon]]<br>{{small|(1890–1967)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|20 January 1932
|12 December 1934
|{{party name with colour|Cumann na nGaedheal}}
|''N/A''
|-
|rowspan=2|[[1934 Seanad|1934]]
|[[Michael Comyn]]<br>{{small|(1871–1952)}}
|[[File:Michael Comyn 1933.png|70px]]
|12 December 1934
|24 February 1936
|{{party name with colour|Fianna Fáil}}
|''N/A''
|-
|[[David Robinson (Irish politician)|David Robinson]]<br>{{small|(1882–1943)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|11 March 1936
|19 May 1936<ref name="senate"/>
|{{party name with colour|Fianna Fáil}}
|''N/A''
|-
|[[2nd Seanad|2nd]]
|[[Pádraic Ó Máille]]<br>{{small|(1878–1946)}}
|[[File:Pádraic Ó Máille, circa 1922.jpg|70px]]
|11 May 1938
|30 November 1938
|{{party name with colour|Fianna Fáil}}
|[[Agricultural Panel]]
|-
|[[3rd Seanad|3rd]]
|rowspan=2|[[Michael Tierney (politician)|Michael Tierney]]<br>{{small|(1894–1975)}}
|rowspan=2|
|30 November 1938
|27 October 1943
|{{party name with colour|rowspan=2|Fine Gael}}
|rowspan=2|[[National University of Ireland (constituency)#Seanad|National University of Ireland]]
|-
|[[4th Seanad|4th]]
|27 October 1943
|18 August 1944
|-
|[[5th Seanad|5th]]
|[[Timothy O'Donovan]]<br>{{small|(1881–1957)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|18 August 1944
|21 April 1948
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[6th Seanad|6th]]
|[[Seán Goulding]]<br>{{small|(1877–1959)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|21 April 1948
|14 August 1951
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|-
|[[7th Seanad|7th]]
|[[Timothy O'Donovan]]<br>{{small|(1881–1957)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|7 November 1951
|27 July 1954
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[8th Seanad|8th]]
|[[Liam Ó Buachalla]]<br>{{small|(1899–1970)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|27 July 1954
|29 May 1957
|{{party name with colour|Fianna Fáil}}
|[[Cultural and Educational Panel]]
|-
|rowspan=2|[[9th Seanad|9th]]
|[[Patrick Baxter (politician)|Patrick Baxter]]<br>{{small|(1891–1959)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|29 May 1957
|3 April 1959
|{{party name with colour|Clann na Talmhan}}
|[[Agricultural Panel]]
|-
|[[John O'Donovan (politician)|John O'Donovan]]<br>{{small|(1908–1982)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|30 May 1959
|3 January 1962
|{{party name with colour|Fine Gael}}
|[[Cultural and Educational Panel]]
|-
|[[10th Seanad|10th]]
|[[Patrick Lindsay (Irish politician)|Patrick Lindsay]]<br>{{small|(1914–1993)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|3 January 1962
|30 June 1965
|{{party name with colour|Fine Gael}}
|[[Industrial and Commercial Panel]]
|-
|[[11th Seanad|11th]]
|rowspan=2|[[James Dooge]]<br>{{small|(1922–2010)}}
|rowspan=2|[[File:James Dooge, 1981 (cropped).tif|70px]]
|30 June 1965
|12 November 1969
|{{party name with colour|rowspan=2|Fine Gael}}
|[[Labour Panel]]
|-
|[[12th Seanad|12th]]
|12 November 1969
|20 June 1973
|[[Industrial and Commercial Panel]]
|-
|[[13th Seanad|13th]]
|[[Evelyn Owens]]<br>{{small|(1931–2010)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|20 June 1973
|2 November 1977
|{{party name with colour|Labour Party (Ireland)}}
|[[Labour Panel]]
|-
|rowspan=2|[[14th Seanad|14th]]
|[[Joe McCartin]]<br>{{small|(born 1939)}}
|[[File:Joe McCartin, 2004 (cropped).jpg|70px]]
|2 November 1977
|12 July 1979
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
||[[Charles McDonald (Irish politician)|Charles McDonald]]<br>{{small|(born 1935)}}
|[[File:Charles McDonald, June 12 1973 (cropped).jpg|70px]]
|18 July 1979
|13 May 1982
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[15th Seanad|15th]]
|[[Séamus Dolan]]<br>{{small|(1914–2010)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|9 October 1981
|19 May 1982
|{{party name with colour|Fianna Fáil}}
|[[Labour Panel]]
|-
|[[16th Seanad|16th]]
|[[Charles McDonald (Irish politician)|Charles McDonald]]<br>{{small|(born 1935)}}
|[[File:Charles McDonald, June 12 1973 (cropped).jpg|70px]]
|19 May 1982
|9 March 1983
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[17th Seanad|17th]]
|[[Tras Honan]]<br>{{small|(1930–2023)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|9 March 1983
|25 April 1987
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|-
|[[18th Seanad|18th]]
|[[Charles McDonald (Irish politician)|Charles McDonald]]
{{Small|(born 1935)}}
|[[File:Charles McDonald, June 12 1973 (cropped).jpg|70px]]
|20 May 1987
|8 November 1989
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|-
|[[19th Seanad|19th]]
|rowspan=2|[[Liam Naughten]]<br>{{small|(1944–1996)}}
|rowspan=2|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|8 November 1989
|25 February 1993
|{{party name with colour|rowspan=2|Fine Gael}}
|rowspan=2|[[Agricultural Panel]]
|-
|rowspan=2|[[20th Seanad|20th]]
|25 February 1993
|12 July 1995
|-
|[[Brian Mullooly]]<br>{{small|(born 1935)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|19 July 1995
|18 September 1997
|{{party name with colour|Fianna Fáil}}
|[[Labour Panel]]
|-
|[[21st Seanad|21st]]
|[[Liam T. Cosgrave]]<br>{{small|(born 1956)}}
|[[File:No image.png|70px]]<!-- DO NOT ADD A NON-FREE IMAGE FOR THIS PERSON – ONLY FREELY LICENCED IMAGES ARE ALLOWED FOR LISTS. SEE WP:NFLISTS -->
|18 September 1997
|13 September 2002
|{{party name with colour|Fine Gael}}
|[[Industrial and Commercial Panel]]
|-
|[[22nd Seanad|22nd]]
|rowspan=2|[[Paddy Burke]]<br>{{small|(born 1955)}}
|rowspan=2|[[File:Paddy_Burke_2014.jpg|70px]]
|13 September 2002
|13 September 2007
|{{party name with colour|rowspan=2|Fine Gael}}
|rowspan=2|[[Agricultural Panel]]
|-
|[[23rd Seanad|23rd]]
|13 September 2007
|25 May 2011
|-
|[[24th Seanad|24th]]
|[[Denis O'Donovan]]<br>{{small|(born 1955)}}
|[[File:Denis O'Donovan at the Enthronement of Naruhito (1).jpg|70px]]
|25 May 2011
|8 June 2016
|{{party name with colour|Fianna Fáil}}
|[[Industrial and Commercial Panel]]
|-
|[[25th Seanad|25th]]
|[[Paul Coghlan]]<br>{{small|(1944–2023)}}
|[[File:Paul Coghlan, June 2018 (cropped).jpg|70px]]
|15 June 2016
|27 March 2020
|{{party name with colour|Fine Gael}}
|[[Industrial and Commercial Panel]]
|-
|rowspan=3|[[26th Seanad|26th]]
|[[Jerry Buttimer]]<br>{{small|(born 1967)}}
|[[File:Jerry Buttimer.jpg|70px]]
|7 July 2020
|21 August 2020
|{{party name with colour|Fine Gael}}
|[[Labour Panel]]
|-
|[[Joe O'Reilly]]<br>{{small|(born 1955)}}
|[[File:Joe O'Reilly, November 2022 (cropped).jpg|70px]]
|22 August 2020
|16 December 2022
|{{party name with colour|Fine Gael}}
|[[Labour Panel]]
|-
|[[Mark Daly (politician)|Mark Daly]]<br>{{small|(born 1973)}}
|[[File:Mark Daly 2022.jpg|70px]]
|16 December 2022
|12 February 2025
|{{party name with colour|Fianna Fáil}}
|[[Administrative Panel]]
|-
|[[27th Seanad|27th]]
|[[Maria Byrne]]
|[[File:Maria Byrne, January 2025 (cropped).jpg|70px]]
|19 February 2025
|''Incumbent''
|{{party name with colour|Fine Gael}}
|[[Agricultural Panel]]
|}

==See also==
*[[Ceann Comhairle]] (Chairperson of [[Dáil Éireann]])
*[[Politics of the Republic of Ireland]]
*[[History of the Republic of Ireland]]
*[[Seanad Éireann (Irish Free State)]]
*[[Leader of the Seanad]]

==References==
{{Reflist}}

==External links==
*{{Official website|https://www.oireachtas.ie/en/members/office-holders/cathaoirleach/}}

{{Politics of the Republic of Ireland2}}
{{Seanad Éireann}}
{{Irish Free State}}

[[Category:Cathaoirligh of Seanad Éireann| ]]
[[Category:Lists of members of Seanad Éireann]]
[[Category:Titles of national or ethnic leadership]]
[[Category:Seanad Éireann]]
[[Category:Lists of chairs of upper houses|Ireland]]
[[Category:Lists of legislative speakers]]
[[Category:1922 establishments in Ireland]]