She is the best friend of Angelina Jolie after meeting her on Girl, Interrupted (1999). Jillian is the godmother of Angelina's son, Maddox Jolie.

Became a mother for the 2nd time at age 40, when her daughter, Heloise Dodd, was born on December 12, 2008 by her wife Alice Dodd.

Gave birth to her 1st child at age 36, a daughter Hazel Armenante on November 21, 2004, with her wife Alice Dodd.

Married "Judging Amy" co-star Alice Dodd after several judges refused to halt the city of San Francisco from marrying same sex partners over the Valentines Weekend, 2004.

Was friends with Constantine Maroulis of American Idol (2002) fame. They grew up together in New Jersey and attended Ramapo High School.

Tom Beyer, Jane Carr, Josh Hamilton, Kevin Jackson, Brenda Wehle, Michael Winters and she were awarded the 1998 Back Stage Garland Award for the Ensemble for "The Cider House Rules" at the Mark Taper Forum Theatre in Los Angeles, California.