Leslie M. Rosser, of Boonton, NJ passed away on Tuesday, July 22, 2025. She was born in Jersey City, NJ; raised in Jersey City and in high school moved to Mt. Lakes lived there for many years, before moving to Boonton.

Leslie worked for Allied Signal which became Honeywell. She was a Eucharistic Minister at St. Catherine of Siena Church, eventually taking over as head of the Ministry from her mother. Leslie always enjoyed a good time with family and friends hosting July 4th block parties.

 Leslie Rosser was preceded in death by husband Joseph. They were married 48 years. Loving mother of Cathleen Machen and her husband Daniel.

 A Funeral Mass will be held at 10:00AM, on Friday, July 25, 2025 at St. Catherine of Siena church in Mt. Lakes, NJ. Cremation will be private. Visiting will be Thursday, July 24, 2025 from 6-8 PM at Dangler Lewis & Carey Funeral Home, 312 West Main St. in Boonton.

 In lieu of flowers donations may be made in Leslie’s memory to St. Catherine of Siena Church, 10 North Pocono Rd Mt. Lakes, NJ 07046.