Mark Hamill was born 29 September 1951 in Oakland, California, United States to William Thomas Hamill (1927-) and Virginia Suzanne Jonson (1927-1998) . He married Marilou York 1978 .
Children
| Name | Birth | Death | Joined with |
| Nathan Elias Hamill (1979) | |||
| Griffin Hamill (1983) Chelsea Hamill (1988) | |||
Siblings