Birth Name: Kazimierz A. Siemaszko
Place of Birth: Chicago, Illinois, U.S.
Date of Birth: March 17, 1961
*father – Polish
*mother – Irish or Scottish, Czech
Casey Siemaszko is an American actor.
He is the son of Collette and Konstanty Siemaszko. He is the brother of actress Nina Siemaszko and journalist Corky Siemaszko.
His father was Polish. His mother was born in Brentford, Middlesex, England.
Casey’s maternal grandfather was named William P. McAllister. William was Irish or Scottish.
Casey’s maternal grandmother was named Angela Forejt. Angela was likely Czech.
McAllister is absolutely a Scottish surname.