Shirley was married to Jack Cassidy from 1956 until 1975, the pair having sons Shaun, Patrick and Ryan together. She was also mom to stepson David Cassidy, who died from organ failure in November ...

“Shirley Jones: A Gala Celebration of her Life, Career and Legacy” will be held at 4 p.m. Saturday at the Byham Theater in Downtown Pittsburgh. For more information, visit pittsburghclo.org.

The youngest Cassidy brothers have three kids between them. Patrick and his wife, Melissa Hurley, have sons Cole, born in 1995, and Jack, born in 2000.

Oh, what a beautiful day — because Shirley Jones is 91! Jones’ son Shaun Cassidy shared a sweet birthday post for his mom on Monday, March 31, including a picture of Jones with her birthday cake.

Jones is an Oscar-winner for her work in the film Elmer Gantry. In addition to play Julie Jordan in the 1956 film version of Carousel, she starred in the film versions of The Music Man and Oklahoma!.

Shirley Jones ' sons, Shaun Cassidy, Patrick Cassidy, and Ryan Cassidy will host the event.

Ryan Cassidy is the youngest son of “The Partridge Family" matriarch Shirley Jones and Tony Award-winning actor Jack Cassidy. He has written a children's book on 1930s film star James Cagney.

Cassidy, the show’s breakout star (and Jones’ stepson), was ready to move on from playing Keith Patridge. During his time on The Partridge Family, Cassidy also became a successful solo artist.