Birth Name: Alyson Lee Hannigan
Place of Birth: Washington, D.C., United States
Date of Birth: March 24, 1974
*Ashkenazi Jewish (mother)
Alyson Hannigan is an American actress.
She has Irish ancestry on her father’s side. Her mother is Jewish (her family was from Poland and Russia). Alyson is married to actor Alexis Denisof.
On her mother’s side, Alyson is the granddaughter of Jacob “Jack” R. Posner (the son of Samuel Posner and Goldie Grossfeld) and Dorothy Mendel (the daughter of Hyman “Herman” Noah Mendel and Esther Pessie Freedman). Jack was born in Maryland, and Dorothy was born in Atlanta. Samuel and Goldie were both Jewish immigrants from Eastern Europe (either Russia or Poland, depending on the census). Herman and Esther were both Russian Jewish immigrants.
Obituary of Alyson’s maternal grandfather, Jacob “Jack” R. Posner – http://articles.baltimoresun.com
Alyson’s maternal grandmother, Dorothy Mendel, on the 1930 U.S. Census – https://familysearch.org