Olivia Costillo, 23, of Carpentersville, passed away on Thursday, September, 9, 2021 at Amita St. Joseph Hospital, Elgin.  She was born on April 2, 1998 in Elgin the daughter of Carmen Castillo & Lorenzo Williams.She is survived by her daughter Anastasia;  her parents;  grandparents: Margaret & Richard Castillo;  sisters: Annabell,  Estefanie and a brother Joseph; several aunts, uncles and many nieces and nephews.She was preceded in death by an uncle. All services for Olivia Castillo will be private.