 At the time, he was survived by two sons, Edward and George Dillon; and by two granddaughters, Elizabeth and Barbara Byrne, the children of Edward.Byrne was a Consulting Engineer of the New York State Bridge and Tunnel Commission, and of the Camden-Philadelphia Bridge.He was a Past-President of the Society of Municipal Engineers of New York; a Past-President of the Kings County Chapter of the New York State Society of Professional Engineers a member of the Brooklyn Engineers Club, and of the Catholic Club.