Jennifer L. Wilder, 27, of Hamburg, passed away on Sunday, September 3, 2017 as a result of a house fire. She was the fiancée of Tyler R. Gust. Sadly, Jennifer's sons Gabriel T. Kalinofski and Julian D. Gust, passed away with her in the fire. Born in Portsmouth, Virginia, she was the daughter of David Lee Wilder, husband of Gwen Wilder, Gulfport, Mississippi; and Kathleen Ann (Heinly) Wilder, Hamburg. Jennifer attended Hamburg Area High School. She received her CDL license from Berks Technical Institute and loved driving rig. Jennifer previously worked for Farm Fresh and last worked for RTC, Perry Twp. She attended St. Margaret's Roman Catholic Church, Reading. As a younger person, Jennifer enjoyed playing softball and was known as Scoop. She enjoyed horseback riding, fishing and spending time with her family. Jennifer was an outgoing person and had a vibrant laugh. Jennifer is also survived by her sister: Jamie L. Wilder, fiancée of Tim Landon and her daughter: Skylynn, maternal grandmother: Fay Stock, Douglassville; paternal grandmother: Diane McCalister, Chiefland, Florida; paternal grandfather: Jerry Lee Wilder, and his wife Pat, in Texas; and her aunts, uncles and cousins. A Mass of Christian Burial for Jennifer, Gabriel and Julian will be celebrated on Saturday at 11:00 am from St. Mary's Roman Catholic Church, 94 Walnut Road, Hamburg, PA 19526. Burial will follow in St. Mary's Cemetery, Hamburg. A visitation with the families will be held in the church Saturday 9:00 to 11:00 am. Leibensperger Funeral Homes, Inc., Hamburg is honored to be helping the families during this difficult time. For online condolences, please visit, www.leibenspergerfuneralhomes.com.