What was Richard Chamberlain's ethnicity?

Richard Chamberlain's ethnicity was primarily English with some Scottish and other British Isles ancestry, and he was American. Richard Chamberlain, born March 31, 1934 in Beverly Hills, California, and died March 29, 2025, was American actor famous for Dr. Kildare, Shogun, and The Thorn Birds. His parents were Elsa Winnifred Matthews and Charles Axiom Chamberlain, both of English descent. His family ancestry traces to England, with surname Chamberlain being English occupational name for someone who managed a chamber or household. Genealogical records show his family had English roots going back to colonial America, with some Scottish influence. Richard Chamberlain himself identified as American of English descent. He was not of other major ethnicities, his background was white Anglo-Saxon Protestant. He was also openly gay later in life, but ethnicity remained English-American. He grew up in Beverly Hills and had no known recent immigrant ancestry beyond English. So Richard Chamberlain's ethnicity was English-American, Caucasian, with English surname and English family heritage, typical of many American actors of his generation with British Isles ancestry.