James O'Mara was an Irish businessman and politician who became a nationalist leader and key member of the revolutionary First Dáil. As an MP in the House of Commons of the United Kingdom, he introduced the bill which made Saint Patrick's Day a national holiday in Ireland in 1903. He was one of the few politicians to have served both as member in the House of Commons and in Dáil Éireann.
- Occupation
- politician, diplomat, businessperson
- Position held
- member of the 31st Parliament of the United Kingdom, member of the 28th Parliament of the United Kingdom, member of the 27th Parliament of the United Kingdom, Teachta Dála
- Citizenship
- Irish Republic, Irish Free State, United Kingdom of Great Britain and Ireland
- Born
