Thomas Byrne Dunn served as a Representative from New York in the United States Congress from 1913 to 1923. A member of the Republican Party, Thomas Byrne Dunn contributed to the legislative process during 5 terms in office.

Thomas Byrne Dunn’s service in Congress occurred during a significant period in American history. As a member of the House of Representatives, Thomas Byrne Dunn participated in the democratic process and represented the interests of constituents.

Thomas N. Byrne (7 November 1917 – 16 March 1978) was an Irish Independent politician. He was first elected to Dáil Éireann as a Teachta Dála (TD) for Dublin North-West at a by-election on 12 November 1952. The by-election was caused by the death of his brother, A. P. Byrne. He was re-elected at the 1954 and 1957 Irish general elections. He lost his seat at the 1961 general election. His father Alfie Byrne was an MP, TD, Senator and Lord Mayor of Dublin. Another brother Patrick Byrne was also a TD.