Chiefs of Mission for Ireland
- Frederick Augustine Sterling (1927-1934)
- William Wallace McDowell (1933-)
- William Wallace McDowell (1934-1934)
- Alvin Mansfield Owsley (1935-1937)
- John Clarence Cudahy (1937-1940)
- David Gray (1940-1947)
- George Angus Garrett (1947-)
- George Angus Garrett (1950-1951)
- Francis Patrick Matthews (1951-1952)
- William Howard Taft (1953-1957)
- Robert Walter Scott McLeod (1957-1961)
- Edward Grant Stockdale (1961-1962)
- Matthew Henry McCloskey (1962-1964)
- Raymond Richard Guest (1965-1968)
- Leo John Sheridan (1968-1969)
- John Denis Joseph Moore (1969-1975)
- Walter Joseph Patrick Curley (1975-1977)
- William Vincent Shannon (1977-1981)
- Peter H. Dailey (1982-1984)
- Robert Francis Kane (1984-1985)
- Margaret Mary O'Shaughnessy Heckler (1985-1989)
- Richard Anthony Moore (1989-1992)
- William Henry Gerald FitzGerald (1992-1993)
- Jean Kennedy Smith (1993-1998)
- Michael Sullivan (1998-2001)
- Richard J. Egan (2001-2002)
- James Casey Kenny (2003-2006)
- Thomas C. Foley (2006-2009)
- Daniel M. Rooney (2009-)
- William E. McCann (-)