David is allergic to garlic.
David attempted to break from his Keith Partridge persona, he posed nude for Annie Leibovitz for a photo in the 11 May 1972 Rolling Stone magazine.
Daughter Katie is a country singer and did a cover of David's song I Think I Love You.
David has a daughter with Katherine Benedon. Katie was born in 1986.
David is the stepson of Shirley Jones. They were the only Partridge Family members who sang for themselves...and the only ones who did not reprise their roles for Hanna-Barbera's animated version of the series.
David has three half brothers, Shaun, Ryan and Patrick.
David appeared in the music video and sang in the choir on the song Voices That Care.
David had his gall bladder removed in 1972 after a concert in Wildwood, New Jersey.
David had an operation at age 11 on his left optical nerve which was wrapped around a blood vessel, sometimes resulting in a lazy eye when he's over-tired.
David has a son named Beau who was born in 1991.
David married Sue Shifrin in 1990 and are still married today they have 1 child.
David married Meryl-Ann Tanz in 1984 and they divorced in 1985.
David was married to Kay Lenz in 1977 and they divorced in 1983.
David is 5' 8 1/2" tall.
David played Brad in the TV series The Mod Squad.
David stared in the movie Popstar in 2005 as Grant.
If The Partridge Family went on for another season David would have left the show and been replaced.
David starred as Mickey in the play Blood Brothers with Petula Clark as Mrs. Johnstone, and his half-brother, Shaun Cassidy as his twin, Eddie.
David Casiday: Overall earnings revision trends going into reporting season appear very healthy in an aggregate sense, with the market remaining in net upgrade mode
David Casiday: There's more upside potential globally, in places like Asia, emerging markets and even in the US
David Casiday: It definitely is not everyday business. This is just like one of those freak things, one of those 100-year floods. It's good to get a chance to help in the country as opposed to going overseas getting shot at
David Casiday: It's one of the highlights of my entire adult life and career to be asked to speak at the induction ceremony and articulate my passion for racing."
David Casiday: I would be devastated if my son could not have music as part of his curriculum in school. It should not be a choice between culture and technical training - well-rounded students and graduates will make appropriate choices for their careers, but they must also be trained to make appropriate social choices
David Casiday: You know I got kicked out of high school and I used to go to Hendrix concerts. I used to go see Marvin Gaye and B.B. King and so here I am on television as an actor playing the part of this really sweet wholesome all American boy. The reality was I had a much different kind of teenage life."
David Casiday: For me to go back and to play for audiences some of whom have been following me for thirty years and some who have found me in the last five or six years, that's really an interesting thing. I have an audience that goes from kids to seventy year olds.
David Casiday: I've had three biographies made about my life so people know an awful lot about me.
David Casiday: In California, of all places, entertainment is the key to a vibrant economy. If we do not develop young adults capable of entering that world, the financial base of this state is sure to suffer and impact all of us.
David Casiday: It's not about the fame and the money because if you do good work all that stuff comes.