The birth of Mark Obrien

Mark Bradley Obrien was born on December 9, 1946 in San Francisco County, California.

His father's last name is Obrien, and his mother's maiden name is Olsen. If Mark is still alive, he's now years old.

His potential siblings include Ralph (born 1949), Karen (born 1941), Richard (born 1931) and Brian (born 1953).