|First appearance||"One Big Mistake"|
December 18, 1965 (age 50)|
|Occupation||Mother; real state agent|
|Spouse(s)||Kenneth DiLaurentis (divorced)|
Jessica DiLaurentis (born 18 December 1965; nee Day), also known as Jess, is an American real estate agent. She is also the mother of Alison DiLaurentis, who disappeared in June 2010.
She was born on 18 December 1965 in Rosewood, Pennsylvania. She also married Kenneth DiLaurentis, but the couple later divorced. She decided to keep DiLaurentis as her surname to avoid unnecessary complications and to have the same surname as her children.