Tom was born May 6, 1937, in Minneapolis to Thomas & Margaret (Egan) Hennessy. He attended the Annunciation Catholic School in Minneapolis and graduated from the University of Minnesota High School. After graduation Tom moved to CA with his family. Tom served in the United States Air Force from 1961 through 1963. Tom worked at General Dynamics as a machinist for many years. In 1984 he moved to Sebeka and purchased a 40-acre hobby farm. In January of 2017 Tom moved to Clarissa to be closer to his family where he developed many great friendships. He enjoyed farming, drinking coffee and playing cribbage. Tom was especially proud of his Irish heritage.
Thomas is survived by his daughter Patricia (Doug) Johnson of Browerville; grandchildren: Ezequiel Nava, Carlos Nava and ClairAnn Johnson; nephew James Constantine of CA and niece Kathleen Constantine of MT and always his step-children: Alfred Escoto of CA, Theresa Nila of CA, and Susan Escoto of CA.
Thomas is preceded in death by his parents, Thomas and Margaret Hennessy, brothers: Clem Hennessy and John (Mary Rita) Hennessy, sister Mary Rita (Al) Constantine, infant daughter Tammy.