Brennan, Sharon K. age 79 of Isanti, passed away on March 5, 2026 surrounded by angels. 

Sharon led a life of dedicated service in education and volunteer ministry at St. Margaret’s Academy, St. Agnes High School, Holy Childhood school and parish, Transfiguration church and school, and the Archdiocese of St. Paul and Minneapolis. 

Sharon is survived by her husband of 50 years, Michael; daughters, Colleen Brennan, Kathryn (Jeff) Blanchard, Megan (Joe) Hinrichs, Erin (Kevin) Jack; grandchildren, Ash, Aiden and Alex Blanchard; siblings, Pat Fahey (Bob), Colleen (Ron) Patterson, Karen Sinclair, and Bill Fahey along with many other loving relatives and friends. 

A public visitation will be held on Monday, March 16, 2026 from 5 – 8 PM at Thurston-DeShaw Funeral Home, 13817 Jay St. NW, Andover. A Mass of Christian Burial will take place on Tuesday, March 17, 2026 with a visitation from 10 – 11 AM followed by the service at 11 AM at St. Patrick Catholic Church, 19921 Nightingale St. NW, Oak Grove. Sharon will be interred at St. Mary of the Lake Cemetery in White Bear Lake. In lieu of flowers, please consider donating to St. Joseph’s School (give.stjo.org) or the National Kidney Foundation (kidneytribute.rallybound.org/sharonbrennan).

Thurston-DeShaw Funeral Home - Andover, 763-767-7373 - www.thurston-deshaw.com