Thomas Irvin Smith is the son of Richard Harold Smith and Florence Della Good. He was born in 1930.

He married Marlene Martha Anna Bolte. She was born in 1933.

Children of Thomas Irvin Smith and Marlene Martha Anna Bolte:

1. Diane Lynn Smith was born in 1952.
2. Richard Harold Smith was born in 1954.
3. Sheryl Ann Smith was born in 1958.
4. Gwen Ellen Smith was born in 1959.
5. Gregg Thomas Smith was born in 1964.