Birth Name: Cory Allan Michael Monteith
Date of Birth: May 11, 1982
Place of Birth: Calgary, Alberta, Canada
Date of Death: July 13, 2013
Place of Death: Vancouver, British Columbia, Canada
Ethnicity: Dutch/Frisian, Scottish, Irish, English
Cory Monteith was a Canadian actor and musician. He is known for his role on the television series Glee. Cory was the son of Ann McGregor, an interior decorator, and Joe Monteith, who served in Princess Patricia’s Canadian Light Infantry. His surname is Scottish.
Cory’s paternal grandfather was Phillip Murray Monteith (the son of Joseph Monteith and Bessie Lucinda Jackson). Phillip was born in Saint John, New Brunswick. Joseph was Scottish, born in Glasgow, the son of John Monteith and Sarah. Bessie was the daughter of Samuel Jackson and Mary Louise/Louisa Flewelling.
Cory’s paternal grandmother was Phyllis Lorraine Sweeney (the daughter of Maynard Brown Sweeney and Margaret Pearl Parks). Maynard was the son of James Oscar Sweeney and Mable Blackadar/Blackador. Margaret was the daughter of William Marshall Parks and Helen Elizabeth Estey.
Cory’s maternal grandfather was William Welland McGregor (the son of Patrick McGregor and Margaret “Maggie” McCool). William was born in Pembroke, Renfrew, Ontario, Canada. Patrick was the son of James McGregor, who was Scottish, and of Ellen O’Brien, who was Irish. Margaret was the daughter of Irish parents, Francis William McCool, from County Donegal, and Mary Stackpool.
Cory’s maternal grandmother was Sjoukje “Jacky” DeBoer/de Boer (the daughter of Piet de Boer and Anske van de Glas). Sjoukje was born in Hengelo, Gelderland, Netherlands. She married Cory’s grandfather in the Netherlands after World War II.
Sources: Marriage record of Cory’s paternal grandparents, Phillip Murray Monteith and Phyllis Lorraine Sweeney – https://familysearch.org
Obituary of Cory’s paternal grandfather, Phillip Murray Monteith – http://telegraphjournal.canadaeast.com
Marriage record of Cory’s paternal great-grandparents, Joseph Monteith and Bessie Lucinda Jackson – https://familysearch.org
Genealogy of Cory’s paternal great-great-grandmother, Mary Louise/Louisa Flewelling (focusing on her father’s side) – http://worldconnect.rootsweb.ancestry.com
Marriage record of Cory’s paternal great-grandparents, Maynard Brown Sweeney and Margaret Pearl Parks – https://familysearch.org
Birth record of Cory’s maternal grandfather, William Welland McGregor – https://www.familysearch.org
Obituary of Cory’s maternal grandfather, William Welland McGregor – https://lists.rootsweb.com
Correction. He also had Dutch ancestry threw the flewellings and dentons. Martha Leffert who was born in the 1680s had a father who was born in Holland and her mother while born in NYC had Dutch roots as well.