Birth Name: Amanda Michael Plummer
Place of Birth: New York City, New York, U.S.
Date of Birth: March 23, 1957
Ethnicity: English, Scottish, Northern Irish, 1/128 Swiss-French, 1/128 French-Canadian
Amanda Plummer is an American and Canadian actress. She is the daughter of Canadian actor Christopher Plummer (Arthur Christopher Orme Plummer) and American actress Tammy Grimes (Tammy Lee Grimes).
Her middle name, Michael, is after her godmother, actress Michael Learned.
Amanda’s paternal grandfather was John Orme Plummer (the son of Frank Plummer and Frances Fetherstonhaugh). Frank was the son of Thomas Ralph Plummer and Jane Stewart, who was born in Limerick, Ireland. Frances was the daughter of Irish-born parents, Francis Fetherstonhaugh/Fetherston and Frances Swift. Amanda’s grandmother Frances was the sister of F. B. Fetherstonhaugh (Frederick Barnard Fetherstonhaugh), a patent lawyer and agent who founded the patent agency Fetherstonhaugh & Co.
Amanda’s paternal grandmother was Isabella Mary Abbott (the daughter of Arthur Edward Abbott and Marianne Jane Campbell). Isabella was an artist and watercolourist. Arthur was the son of John Abbott (John Joseph Caldwell Abbott), the 3rd Prime Minister of Canada, and of Mary Martha Bethune. Marianne was Scottish, the daughter of Alexander James Campbell and Isabella Janet Christian Stewart.
Amanda’s maternal grandfather was Luther Nichols Grimes (the son of Loring Grimes and Eva May Nichols). Loring was the son of Luther Bingham Grimes and Marie Louisa Norwood. Eva was the daughter of Wesley D. Nichols and Angie W. Cammett.
Amanda’s maternal grandmother was Eola Willard Niles (the daughter of Guy Doncaster Niles and Vera Howard). Guy was the son of James Philander/Philon Niles and Katherine/Catherine Frances Doncaster. Vera was the daughter of Charles Howard and Mary Willard.
Sources: Genealogy of Amanda Plummer – https://www.geni.com
Genealogy of Amanda’s father – http://www.wikitree.com
Genealogy of Amanda’s father (focusing on his own father’s side) – http://www.thepeerage.com