John DeMarco Profile Photo
1945 John 2023

John DeMarco

October 29, 1945 — March 18, 2023

Centerville, UT

Son. Brother. Husband. Father. Grandfather. John DeMarco was born October 29, 1945, in Price, Utah to Katherine Petronavitch and John DeMarco Sr. He grew up in Mapleton, Utah along with his older sister Barbara DeMarco.

A US Navy Veteran stationed originally in San Diego and then moved to Memphis Tennessee where he excelled in electronics. After graduating from the University of Utah he took a job at Sperry Univac with the help of his uncle, Louie DeMarco.

He met the love of his life, Martha Joe while working for Sperry Univac in Ft. Walton Beach, Fl. His job moved them as a family, with their daughter Rebecca Lee to Bountiful, Utah.

He spearheaded a range of amazing projects to include a helmet with infrared night vision like in Blue Thunder, the predator and global hawk which were the very first unmanned drone planes to exist, and Action Machine his dream business.

He spent many years of his life touching the lives of those around him and building friendships. The later years of his life were spent golfing, fishing, and loving his granddaughters, Megan and Jackie, and the rest of their family. He was truly one of a kind and gave selflessly to those around him throughout his life.

Graveside Services will be held at Bountiful City Cemetery, 2224 South 200 West, Bountiful, Utah at 2:00pm, Saturday March 25th, 2023. A gathering in his memory will be held immediately following at Ramblin’ Roads, 544 West 400 North, Bountiful, Utah 84010.

Please understand that in lieu of flowers, a donation in honor of John DeMarco to St. Jude Children’s Hospital will support a cause he felt deeply about.

To order memorial trees or send flowers to the family in memory of John DeMarco, please visit our flower store.

Service Schedule

Past Services

Graveside Service

Saturday, March 25, 2023

2:00 - 3:00 pm (Mountain time)

Bountiful City Cemetery

2224 S 200 W, Bountiful, UT 84010

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Memorial Gathering

Saturday, March 25, 2023

3:00 - 4:00 pm (Mountain time)

Ramblin Roads Family Restaurant

544 W 400 N, Bountiful, UT 84010

Enter your phone number above to have directions sent via text. Standard text messaging rates apply.


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