Leroy Peter O’Brien passed away on November 19, 2025 at St. Luke’s Hospital, Newburgh, NY. He was 67. Leroy was born on October 28, 1958 in Brooklyn, NY to the late Peter Leroy O’Brien and Joan McGarrigle. Leroy served his country proudly in the United States Marine Corps. He always kept in touch with his Marine brothers. He was a mechanic for many years. He loved working on and sailing on his boat. He will be dearly missed by his family and friends.

Leroy is survived by his loving wife Lena Y. (Laroche) O’Brien at home; children, Giovanni A. (“Gino”) O’Brien of Montgomery, Christina Y. Kelly (Sean) of Walden, Peter L. O’Brien (Michèle) of Stamford, CT., Jessica A. O’Brien (Reggie Dabalos) Vincenza, Italy, Christopher J. O’Brien of Montgomery, Steven R. O’Brien (Sarah) of Herndon, VA., Brandon N. O’Brien of Montgomery; brother, Patrick O’Brien (Amy) of Littleton, CO.; sisters, Joan O’Brien (John Silverman) of North Babylon and Margaret “Peggy” Casey of Dingmans Ferry, PA.; Eight grandchildren, Jaidyn, Harlow, Wyatt, Monique, Gavin, Grayson, Grant and Miles; several nieces and nephews.

He was predeceased by his daughter, Stephanie Renee as well as his parents.

In-lieu of flowers donations may be made to The Patriot Guard Riders or Walter Reed National Military Medical Center.

Visitation will be held on Tuesday November 25, 2025 from 4-8 PM at the Gridley-Horan Funeral Home, Inc. 39 Orchard St. Walden, NY 12586. 845-778-3811 gridleyhoran.com

Mass of Christian Burial will be held on Wednesday November 26, 2025 at 10:30 AM at Holy Name of Mary-Assumption Church 89 Union Street Montgomery, NY.

Burial will follow in the Orange County Veterans Cemetery, 111 Craigville Rd. Goshen, NY 10924