Mary Lalley Obituary

With heavy hearts, we announce the death of Mary Lalley of DeForest, Wisconsin, who passed away on October 4, 2025 at the age of 71. Leave a sympathy message to the family on the memorial page of Mary Lalley to pay them a last tribute.

She was predeceased by: her parents, Peter W. Janz and Adeline Janz (Carr); her sister Lisa Marie Janz; her brother-in-law Robert C. Harder; her uncle Dale; and her aunt JoAnn Dinkel.

She is survived by: her son Derek Lalley (Katie) of Waunakee; her granddaughter Emery Catherine Lalley; her sisters, Deborah Harder (Randy Messer) of DeForest and Susan St (Mike Hrnak); her nephew Justin Harder (Ann Marie); her great-nieces and great-nephews, Max and Beckett of Waunakee; her nephew Robert St. Pierre; her stepmother Joan Janz (Bill Lalley) of Appleton; Logan of Neenah. She is also survived by many other relatives and close friends.

In lieu of flowers, donations may be made in Mary's memory to Second Harvest Food Bank or charity of choice.