Cover photo for John Joseph Mavretich's Obituary
John Joseph Mavretich Profile Photo
1948 John 2023

John Joseph Mavretich

June 15, 1948 — February 28, 2023

West Park

John Mavretich, 74, of West Park, NY passed away on Tuesday, February 28, 2023 at home in West Park, NY. He was born on June 15, 1948 in Flushing, NY and was the son of the late John Mavretich and Viola Pettit. He graduated from Fordham University in 1970.


John served in the U.S Army from 1970-1972. After his time in the service, John moved to the Hudson Valley where he resided for over 50 years, mostly in West Park, NY. John worked as an independent consultant specializing in all aspects of Nuclear Power Utility regulations. His worked for several years as a staff member for NY Assemblyman/US Congressman Maurice Hinchey. He loved all outdoor activities such as golf, fishing and gardening. He also enjoyed spending time with his many younger family members.


He is survived by his brother Robert Mavretich, sister Margaret Mavretich Walko, nephews John and Robert, nieces Kathryn Foley and Jennifer Boersma. He is also grand uncle to 18 nieces and nephews.


Arrangements entrusted to Keyser Funeral & Cremation Service, Inc., 326 Albany Avenue, Kingston, NY 12401. John was buried in New Paltz Rural Cemetery.  A tribute for John may be found at, where you may leave memories and expressions of sympathy for his family.

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

Service Schedule

Past Services


Wednesday, March 8, 2023

11:00am - 12:00 pm (Eastern time)

St. Joseph's RC Chruch, Kingston, NY

242 Wall St, Kingston, NY 12401

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Wednesday, March 8, 2023

Starts at 1:00 pm (Eastern time)

New Paltz Rural Cemetery

81 Plains Rd, New Paltz, NY 12561

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


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