Heads of State of Ireland
Lordship of Ireland
Lord of Ireland
Henry VII
Date of birth/date of death: b. January 28 1457; d. April 21 1509.
House of Tudor
1485 – 1509
Kingdom of Ireland
Monarch of the Kingdom of Ireland
William III
Date of birth/date of death: b. April 24 1533; d. July 10 1584.
House of Orange – Nassau
1689 – 1702
Anne
Date of birth/date of death: b. February 6 1665; d. August 1 1714.
Spouse: Prince George of Denmark and Norway, Duke of Cumberland (b. May 19 1744; d. November 17 1818)
House of Stuart
1702 – 1714
George I
Date of birth/date of death: b. May 28 1660; d. June 11 1727.
House of Hanover – Welf
1714 – 1727
George II
Date of birth/date of death: b. November 9 1683; d. October 25 1760.
House of Hanover – Welf
1727 – 1760
Heads of Government of Ireland
Republic of Ireland
Taoiseach
John Aloysius Costello
Date of birth/date of death: b. June 20 1891; d. January 5 1976
Fine Gael
1948 – 1951
John Aloysius Costello
Date of birth/date of death: b. June 20 1891; d. January 5 1976
Fine Gael
1954 – 1957
Leader of the Opposition
John Aloysius Costello
Date of birth/date of death: b. June 20 1891; d. January 5 1976
Fine Gael
1951 – 1954
John Aloysius Costello
Date of birth/date of death: b. June 20 1891; d. January 5 1976
Fine Gael
1957 – 1959