GUILDERLAND — “It is with heavy hearts that the family of Mark Jacobson, 50, of Guilderland announce his passing on Thursday, Oct. 30, 2025, surrounded by his loved ones,” his family wrote in a tribute.

Born Nov. 5, 1974 in Albany, he was the son of the late Howard and Lynda (née Finch) Jacobson.

“He spent his entire life in Guilderland and graduated from Guilderland Central High School in 1992,” his family wrote. “He went on to attend Clarkson University where he was a member of Delta Sigma Phi and graduated in 1998.

“He was employed as a civil engineer following graduation, leading to the opening of his own engineering firm, Insite Northeast, in 2015. He spent many years coaching lacrosse for Guilderland at various levels, one of his many true passions.”

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Mark Jacobson is survived by his wife, Dawn Jacobson, and children, Caleb, Kailey, and Keira Jacobson, and by his siblings, Judy (Terry) Reed, Janice Jacobson, Daniel (Carrie) Jacobson, Michael (Michele) Jacobson, all of Altamont, and by Laura (Tom) Malvey of Virginia.

He is also survived by many nieces, nephews, aunts, uncles, and cousins, including Bob and Joe Jacobson, and many other family, friends, and colleagues. 

“The family would like to thank Mark’s doctors and medical staff who cared for him in his final moments,” the tribute said.

The family will be honoring his life on Saturday, Nov. 15, 2025 with a viewing and services at New Comer Funeral Home at 343 New Karner Rd. in Colonie from 10 a.m. to noon. Burial will follow at Prospect Hill Cemetery. A celebration of his life will then be held at Western Turnpike Golf Course at 2350 Western Ave. in Guilderland from 2 to 4 p.m.

Memorial contributions may be made to Guilderland Youth Lacrosse program through its website at https://my.cheddarup.com/c/guilderland-youth-lacrosse-donations-sponsorship/items or by a check mailed to Guilderland Youth Lacrosse, Post Office Box 851, Guilderland, NY 12084.