Thomas Philip Le Fanu CB (9 December 1858 – 21 October 1945) was an Anglo-Irish civil servant.
[1] Born in Ireland to a Huguenot family, he was the son of William Richard Le Fanu (1816-1894) and his wife Henrietta Victorine Barrington, daughter of Sir Matthew Barrington, 2nd Baronet.
[citation needed] Le Fanu worked first in the Public Record Office of Ireland from 1881, transferring to the Chief Secretary of Ireland's Office in 1884.
From 1913 to 1926, through the period when Ireland gained independence, he was Commissioner of Public Works.
They had two children: their daughter Lucie Catherine Le Fanu (1901-1996), who married the educationalist John Traill Christie; and their son William Richard LeFanu (1904-1995), who became a librarian and was the husband of the composer Elizabeth Maconchy.