Birth Name: Kathryn Ellen Cannon
Place of Birth: Custer Park, Illinois, U.S.
Date of Birth: August 22, 1974
Ethnicity: Irish, some English, possibly other
Kay Cannon is an American screenwriter, producer, director, and actress. She has written and produced most of the film series Pitch Perfect, and directed the comedy Blockers.
She is married to comedy writer Eben Russell, with whom she has one child.
Kay’s paternal grandfather was Alfred James/Joseph Cannon (the son of William Henry Cannon and Rose/Rosa Carroll/Carrol). Alfred was born in Illinois. William was born in Illinois, the son of Alfred Cannon, who was English, and of Catherine “Kate” Dorsey, who was Irish. Rose was born in either Michigan or Illinois, to Irish parents, Michael/Michel Carrol and Julia.
Kay’s paternal grandmother was named Mary R. Joyce. Mary was born in Illinois, to Irish parents.
Kay’s maternal grandfather was surnamed Perrin.
Source: Obituary of Kay’s father – http://rwpattersonfuneralhomes.com