Cover photo for Jack Sinclair Keeney, Jr.'s Obituary
Jack Sinclair Keeney, Jr. Profile Photo

Jack Sinclair Keeney, Jr.

September 17, 1962 — November 8, 2023

Jack Sinclair Keeney, Jr.

Jack Sinclair Keeney, Jr., born on September 17, 1962 in Kansas City, MO, passed away on November 8th, 2023 due to cardiac arrest. He was preceded in death by his father, Jack Sinclair Keeney, Sr. and brother, John Matthew Thayer.

Jack attended  Kansas University. He had many hobbies and interests including his beloved cats, drones, photography, art,  and electronics. He was a member of the Chess Federation and loved playing and competing in the game.

He is survived by his mother Patricia P. Keeney; siblings David Thayer and Linda Nottberg; as well as many other family members and friends who will miss him dearly.

In lieu of flowers or gifts, donations can be made in Jack’s memory to the Cat Care Society at  

Jack’s life may have been short-lived but will remain with those he left behind forever in their hearts. He will be remembered for his kindness towards others and his unwavering passion for life. May he rest peacefully forevermore.

Past Services

Memorial Service

Friday, December 8, 2023

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

Johnson County Funeral Chapel

11200 Metcalf Ave., Overland Park, KS 66210

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