William George Sly, Jr.

William George Sly, Jr., aged 86, a Brentwood resident since 2016, peacefully passed away on January 15, 2025. Born December 16, 1938, William, also known as Pete, led a fulfilling life marked by service, sportsmanship, and dedication to his family and country.

An Honor Roll alumnus of Wantagh High School, Long Island, New York, William graduated in 1957, where he excelled in football, basketball, baseball, and track. He furthered his education at Dartmouth University in Hanover, New Hampshire, becoming an All-American in football and lacrosse.

Following his academic achievements, William served as a Lieutenant in Naval Air from 1961 to 1966, including a tour in Vietnam, showcasing his dedication and bravery.

Professionally, William dedicated 32 years to the Federal Government, Dept. of the Interior in Land Management, in San Francisco where he was respected for his commitment and integrity.

An avid outdoorsman, William enjoyed hiking, skiing, swimming, and physical exercise. His love for sports continued throughout his life, maintaining his high school spirit of athleticism.

William shall be remembered by his family as a loving husband, father, grandfather and great-grandfather. His friends in Summerset I will remember him sitting on the fire hydrant greeting residents coming and going with his faithful dog of 14 years, Sadie Mae.

William is survived by his wife, Sue Galbreath-Sly; brother, Kenn and wife Marilyn; daughter, Lyn McCarthy and husband, Kevin; son, Matt; step-daughters, Jennifer Boorman and Jackie Peters and husband, Mike; grandchildren, Cydney, Michael, Nash, Mason, Jordan, Avery, Jaxon, Riley, Raina, and Jayden; and great-granddaughter, Ava. He was preceded in death by his parents, Frances and William Sly.

At this time, no services are planned. A Celebration of Life will be held in the spring. In lieu of flowers, contributions may be made to Animal Shelters or Rescue Centers in memory of Pete .