Thomas Joseph McGrath (Jr.) is the son of Thomas Joseph McGrath (Sr.) and Joan Mary Lynch. He was born in 1955 in Illinois.

In 1989, he married Julie Mayer in Ohio. She was born in 1959.

Children of Thomas Joseph McGrath (Jr.) and Julie Mayer:

1. Thomas Joseph McGrath (III) was born in 1991.
2. Michael Patrick McGrath was born in 1994.