Born in Hockensock, she was a daughter of the late John and Catherine Touchinsky Slotcavage.  She attended Mahanoy City Schools.

Jennie was a member of St. Joseph the Worker Parish, Frackville and was a devoted pierogie maker; she assisted in many church activities.  Jennie also volunteered at the Frackville food bank for many years.

Jennie worked at the former Charles Rabin Factory, Frackville and last worked as a waitress for the former Kerlavage Bar and Restaurant.

Jennie was preceded in death by her husband of 56 years John W. Jeffries, in 2013; her daughter; Patricia “Pat” Wagner; April 29, 2024; one of twelve children, she was preceded in death by 9 siblings.

Jennie is survived by a son; John J. Jeffries and wife Patty of Barnesville; grandchildren; Craig Wagner and wife Jennifer of Ashland; Tara Hughes and husband Fred of Gordon and Maddison Jeffries; three great-grandchildren; Alec Bolinsky, Tristan Bolinsky and Scott Wagner; a sister; Elizabeth Schaar and brother; Richard Slotcavage; several nieces and nephews.

Religious Services will be held Saturday, July 6, 2024, at the Albert L. Gricoski Funeral Home, Frackville. with Rev. Giuseppe C. Esposito as celebrant.  Relatives and friends are invited to visit with family from 11:30 till time of Service at the funeral home.  Interment will be at the convenience of the family.