John Joseph O'Kelly was an Irish republican politician, author and publisher who served as President of Sinn Féin from 1926 to 1931, Minister for Education from 1921 to 1922, Minister for Irish from 1920 to 1921 and Leas-Cheann Comhairle of Dáil Éireann from 1919 to 1921. He served as a Teachta Dála from 1918 to 1921 and 1922 to 1923.

Conradh na Gaeilge is a social and cultural organisation which promotes the Irish language in Ireland and worldwide. The organisation was founded in 1893 with Douglas Hyde as its first president, when it emerged as the successor of several 19th century groups such as the Gaelic Union. The organisation was a spearhead of the Gaelic revival and of Gaeilgeoir activism.