Thomas was born in 1830. Thomas' father was Stephen Fahy and his mother was Sarah Boyle. His paternal grandparents were Daddy Fahy and <Unknown>. He had five brothers and four sisters, named William, James, Cob, John, Patrick , Sheilla, Margaret, Sheila and Sarah. He was the second oldest of the ten children. He died at the age of 73 in 1903.