Thomas Joseph Markham (14 December 1878 – 15 June 1939) founded two Gaelic Athletic Association clubs in Dublin.
[1] After his death, funds were collected to provide the Tom Markham Memorial Cup, which was awarded annually to the county which won the All-Ireland Minor Football Championship from 1940 to 2013.
[2] He was a civil servant residing in Dublin when he married Agnes Daly in Ballycorick Church on 17 July 1907.
[3] By 1911, he was an Assistant Clerk in the Local Government Board, and was using the Irish-language version of his name, Tomás Ua Marcacáin.
He later was an intelligence officer for Michael Collins after being released from prison by the British Army.