William Ambrose Fitzgerald, 89 of Rochester, passed away peacefully with his wife by his side, on April 14, 2025 at his residence.

William was born on May 31, 1935 in Minneapolis, MN to J. Raymond and Alice Fitzgerald. He attended DeLaSalle High School, graduating in 1953.  He then attended the College of St. Thomas in St. Paul and graduated from the University of Minnesota in 1958 with a Civil Engineering degree. He moved to Rochester in 1962 and became half-owner of Rochester Sand and Gravel Inc., North Star Asphalt, and Wilmar Investments with his best friend and business partner of over 50 years, Mark J. Hindermann. Bill married Patricia D. Schwartz on April 4, 1964 at St. John the Evangelist Catholic Church in Rochester.

Bill was a longtime member of Knights of Columbus, Serra Club, Minnesota Society of Professional Engineers, president of Rochester Golf and Country Club, Toastmasters, and Lourdes Foundation, served on the St. Marys Hospital Board, Bear Creek Development Board, Rochester City Charter Commission, and RCTC Foundation.

He is survived by his wife, Patricia, his children Thomas (Jennifer) of Rochester, Michael (Melissa) of Stillwater, MN, grandchildren Mia, Erin, Jack, Bobby, Ellie, Kate, his sister Carol of Greenville, SC, and brother Michael of West St. Paul, and many beloved nieces and nephews.

He is preceded in death by his parents and three brothers Thomas, James, and Terrence.

The Funeral Mass for Bill will be held on Saturday, May 17, 2025 at 10:30 am at Co-Cathedral of St. John the Evangelist in Rochester. Visitation will be held Friday evening, May 16, 2025 from 5:00 pm until 7:00 pm in the River Park Chapel at Macken Funeral Home along with one hour prior to the Mass at church. Burial will be in Calvary Cemetery, Rochester, MN.

In lieu of flowers, memorials are preferred to DeLaSalle High School, Lourdes Foundation, or St. Jude Foundation.

Online condolences are welcome at www.mackenfuneralhome.com