Thomas Lucas (1876 – after 1936) was a Welsh trade union leader.
Born at Aber Farm in Ogmore Vale, Lucas received an elementary education, leaving school at the age of 12.
[1][2] Lucas was active in the South Wales Miners' Federation (SWMF), and in 1902/03 he served as the union's auditor.
In 1903, the union formed a new Ogmore and Gilfach district, and Lucas was elected as its secretary.
[6] In his spare time, Lucas conducted a choir of the Congregational Church, and wrote hymns.