Leo J. St. Cyr, Jr.

Leo St. Cyr, 81, a beloved husband, father, grandfather, and friend, passed away on June 13, 2026, surrounded by his family. Born on February 6, 1945 in Lowell, Massachusetts, Leo’s life was a testament to love, laughter, and dedication. Leo was a man of many talents and passions. He spent 40 years as a financial manager for Northrop Grumman. He made working enjoyable with his wit, knowledge, and insight. When Leo retired he spent his time volunteering in the community. He was a driver for Neighbor Ride from 2010 - 2025 driving people for over 90,000 miles to doctor appointments, medical procedures, and other appointments.

He is survived by his loving wife wife, Bonnie, daughters Meredith St. Cyr and Allison St. Cyr (Ryan), 2 grandchildren Mara, and Tyrus, niece Renee Langlais (David), nephew Justin Boswell (Ashley), sister-in-law Cheryl Mallory (Jeffrey), nephew Chad Mallory, nephew Ryan Mallory (Kate), niece Brittany Onken (James), niece Sommer Johnson (Morgan), 6 great nieces, and 4 great nephews. He is predeceased by Olivia Boswell, his wife of 47 years and brother Eddie St. Cyr. 

A private graveside service will be held at a time convenient for the family.  A memorial service to celebrate Leo’s life will be held Saturday, July 25, 2026 at 11:00 A.M. at Glen Mar United Methodist Church, 4701 New Cut Road, Ellicott City, Maryland. In lieu of flowers the family requests that a donation be made to Glen Mar UMC or to Neighbor Ride.