John "Jack" Mastilock's obituary , Passed away on May 27, 2025 in Santa Clara, California

John "Jack" Mastilock

November 16, 1950 - May 27, 2025 (74 years old)

Santa Clara, California

John "Jack" Mastilock's obituary , Passed away on May 27, 2025 in Santa Clara, California
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John "Jack" Mastilock

November 16, 1950 - May 27, 2025 (74 years old)

Santa Clara, California

John Mastilock Obituary

It is always difficult saying goodbye to someone we love and cherish. Family and friends must say goodbye to their beloved John Mastilock (Santa Clara, California), who passed away at the age of 74, on May 27, 2025. Family and friends can send flowers and/or light a candle as a loving gesture for their loved one. Leave a sympathy message to the family in the guestbook on this memorial page of John Mastilock to show support.

Though his name may fade from the lips of time, the imprint John leaves upon the hearts of his loved ones remains eternally vivid — a testament to the depth of his spirit and the richness of his legacy.

He is survived by: his friend Santa Cruz; his wife Linda Buckingham Mastilock; his sister Loretta Rider (Mastilock); his niece Carey Hood (Rider); his nephew Steven Rider; his stepdaughter Laura Buckingham; his son-in-law Bhargav Reddy; and his grandson Logan Reddy Buckingham. He is also survived by extended family members and friends.



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