On November 25, 2025, Mary Lee Dietz (nee Gaecklein) passed away peacefully surrounded by family; beloved wife of the late Calvin P. Dietz; devoted mother of Lorrie Geiss and her husband Gary, Terry Messler and her husband John, Carol Kimball and her husband Bob, Barb Napolillo and her husband Joe, Sue O’Hanlon and her husband Ardie, Paula Formhals and her husband Bruce, Andrew Dietz and his wife Sara and the late David Dietz; loving grandmother of twenty-one grandchildren, twenty-five great-grandchildren and one great-great-grandchild.
Visiting at the E.F. Lassahn Funeral Home, P.A., 11750 Belair Road (Kingsville) on Sunday, November 30, 2025, from 2-4 and 6-8 pm. A Mass of Christian Burial will be celebrated at St. John the Evangelist Catholic Church (Long Green) on Monday, December 1, 2025, at 11 am. Interment Parkwood Cemetery. In lieu of flowers, memorial donations may be made to St. Jude’s Children’s Research Hospital at www.stjude.org.
To plant trees in memory, please visit the Sympathy Store.
7401 Belair Road, Nottingham, MD 21236
Please consider a donation as requested by the family.

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