In 1952, one of Izac's sons, 19-year-old Forrest, died in what the coroner ruled a suicide. His youngest son, Andre, eventually joined the Navy as a chaplain and served aboard the . He later lived in Bethesda, Maryland, in the 1960s. An accident following the death of his wife in 1970 led him to live with his second daughter, Anna for the remainder of his life, in Fairfax, Virginia. By 1989 he was the oldest living Medal of Honor recipient and his 99th birthday was noted by Willard Scott on "Today".