Jill Marie Jones was born on January 4, 1975 in Dallas, Texas. She belongs to African-Italian ethnicity. She studied at the Duncanville High School. Afterwards, she enrolled in the Texas Woman's University. During her College years she was a Dallas Cowboys Cheerleader as well as a dancer for the Dallas Mavericks team. For a while she traveled with a tour to Asia along with the United States Department of Defense as well as the United Service Organization. She was very passionate and serious in her dreams and at the early time she was planning to start her career as an actress.

She served as a model for different magazines before she decided to move to Los Angeles, where she started her professional acting career. She has made her first appearance in the 2000, when she appeared in the Saturday morning series “City Guys”.The same year she got a co-leading role in the TV series “Girlfriends”.She played Antoinette 'Toni' Marie Childress Garrett character for eight years in a row. In the 2007 she played in the film “Universal Remote” with the role of Court Reporter. At the same year she also appeared in such projects like “Redrum” and “The Perfect Holiday”. In the 2008 she played the role of Private Connie Johnson in the movie “Major Movie Star”. She also appeared as Ronnie Macer in the film “The Longshots”. Jill appeared in the Ne-Yo video for "She Got Her Own" song, which was a remix to his hit single "Miss Independent" and was released on the 2008 as well. In the 2009, she portrayed the Imogene Cochran character from the “Drool”.

During 2010-2012 she has made her appearance in numerous movies and TV shows like “Meeting Spencer”, “35 and Ticking”, “Gillian in Georgia” and “American Horror Story: Asylum”. Jill was involved in the music video "Got Your Back" starring T.I. ft. Keri Hilson, which was released in the 2010. She got her breakthrough role of Cynthia Irving in the TV series “Sleepy Hollow” and during 2013-2015 appeared in the six episodes of the show.

She played Dedra in the 2014 movie “Men, Money & Gold Diggers”. In the same year she also played the role of Kate in the film “Hear No Evil”. Her most recent work on the TV series was during the 2015-2016, when she played Amanda Fisher for “Ash vs Evil Dead”.

After being so popular and so successful she is still very calm and collected. She is a single woman now. There is no information about is she was married or had a husband. In the 2013 Jill dated with Russian musician Peter Dranga. Her net worth is not revealed yet. She is a very private person and does not expose her relationship, regarding her boyfriend, husband and so on. She also seems to be focusing more on her career as an actress. She has a personal account within an Instagram as well as number of fan clubs and fan following within Facebook.