The birth of Mark Oneill

Mark William Oneill was born on December 9, 1955 in San Mateo County, California.

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

His potential siblings include Dana (born 1958), Steven (born 1961), Kirk (born 1959) and Rori (born 1957).