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Denis G. Sullivan

May 30, 1938 ~ April 13, 2021 (age 82)


Thousand Oaks, CA

It is with heavy hearts that we announce the death of our beloved Denis Sullivan due to sudden cardiac arrest on April 13, 2021. He was born to Helen and Ed Sullivan on May 30, 1938 in Brooklyn, NY.

A Brooklyn native, Denis was a top  student at St. Michael’s School and Brooklyn Technical High School. He graduated from City College of New York (CCNY) before joining the Navy in 1960 and being stationed in Memphis as a navigator. He later worked at Northrop Grumman where he eventually retired.

Denis was a lifeguard at Rockaway Beach, New York where he met Marion Barnett on his birthday, May 30, 1962. They were married the following year on April 20, 1963. Denis and Marion had three children: Gregory, Debra (deceased) and Michael. Denis was a great fan of his sons’ sporting activities and attended all of their baseball and soccer games.

Denis loved cars, the New York Mets, the New York Giants, and the Premier Soccer League. He and Marion loved traveling by air and ship. Every summer whey went somewhere and especially loved cruising the Mediterranean.

He is survived by his wife of 58 years Marion; sons Gregory of New York and Michael of Thousand Oaks; and grandchildren: Jarod, Bridget, Derek, and Baylee.

A special memorial will be held at Marion’s residence on June 26 at 2:00 p.m.

Denis was a warm, loving person and will be missed by all who had the pleasure of knowing him.

To send flowers to the family or plant a tree in memory of Denis G. Sullivan, please visit our floral store.

Memorial Tree
A Memorial Tree was planted for Denis

We are deeply sorry for your loss - the staff at Griffin Family Funeral Chapels: Thousand Oaks

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