Birth Name: Gavin Christopher Newsom
Place of Birth: San Francisco, California, United States
Date of Birth: October 10, 1967
Ethnicity: Irish, English, Scottish
Gavin Newsom is an American politician and businessman.
Gavin is the son of Tessa Thomas (Menzies) and William Alfred Newsom. Gavin’s father is of seven eighths Irish descent, with the rest being mostly English. Gavin’s mother has English and Scottish ancestry.
Gavin’s paternal grandfather was William Alfred Newsom (the son of William Alfred Newsom and Belinda Dolores Collins). William was the son of Alfred Cane Newsom and Elizabeth S. “Lizzie” Eagan/Egan, who was Irish. Belinda was born in New York, to Irish parents, Thomas Francis Collins and Annie E. Hanley.
Gavin’s paternal grandmother was Christine Anne Brennan (the daughter of John Brennan and Anna “Annie”). John and Anna were Irish immigrants.
Gavin’s maternal grandfather was Arthur Liddell Menzies (the son of Kenneth Menzies and Maud Victoria Waithman). Kenneth was born in Scotland, the son of Thomas Menzies, who was Scottish, and Agnes M. Hewitt, who was English. Maud was born in Pinos Altos, Chihuahua, Mexico, to an English father, Hubert W. Waithman, and Grace Gertrude Winton, who was born in California.
Gavin’s maternal grandmother was Jean Thorburn Addis (the daughter of Thomas Chalmers Addis and Elesa Bolton Partridge). Thomas was born in Edinburgh, Scotland, the son of Thomas Chalmers Addis, who was of half English and half Scottish descent, and Cornelia Beers Campbell, who was born in New Orleans, Louisiana. Elesa was the daughter of John Partridge, who was Canadian, and Emily Bolton.
Sources: Genealogies of Gavin Newsom – https://www.geni.com/
http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=wjhonson&id=I217789
https://www.wikitree.com/wiki/Newsom-675