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William O. Wilder Sr.

1942 - 2026

William O. Wilder Sr. obituary, 1942-2026, Greenwich, CT

BORN

1942

DIED

2026

FUNERAL HOME

Nicholas F. Cognetta Funeral Home & Crematory

104 Myrtle Avenue

Stamford, Connecticut

UPCOMING SERVICE

Celebration Of Life

Mar. 7, 2026

1:00 p.m. - 5:00 p.m.

St. Lawrence Club

Send Flowers
Book a Nearby Hotel

William Wilder Obituary

William O. Wilder, Sr.
William Oliver Wilder Sr., age 83, passed away on February 6th, 2026.
Born on March 28th, 1942, son of Betty May and Oliver Goff Wilder. He was a lifelong resident of Greenwich and Stamford, CT. After graduating from Greenwich High School he went on to become a CT licensed Arborist, started his own business (Bill Wilder Tree Service) and worked hard till the day he passed.
Bill loved the outdoors. He loved boating, fishing and hunting. He loved being with his family and friends and also loved his cats.
Bill is survived by his siblings Lyle Wilder, Peter Wilder (Sandy) and Susan Wilder. His son's William O. Wilder Jr. (Jamie), Timothy A.Wilder (Francesca) and Brandon. S. Wilder (Jill). Seven grandchildren, four great-grandchildren and many nieces and nephews.
There will be a future memorial, celebration of life to remember and honor Billy.
In lieu of flowers, please consider honoring Bill's memory with a donation to the Greenwich Animal control.
To leave online condolences, please visit www.cognetta.com.

To plant trees in memory, please visit the Sympathy Store.

Published by Greenwich Time & Stamford Advocate from Feb. 12 to Feb. 15, 2026.

Memorial Events
for William Wilder

Mar

7

Celebration of Life

1:00 p.m. - 5:00 p.m.

St. Lawrence Club

86 Valley Road, Cos Cob, CT 06807

Funeral services provided by:

Nicholas F. Cognetta Funeral Home & Crematory

104 Myrtle Avenue, Stamford, CT 06902

Memories and Condolences
for William Wilder

Not sure what to say?





9 Entries

Neil Palermo

February 18, 2026

May God bless you and your family in this time of sorrow.
Rest In Peace Billy.

Laurie

February 18, 2026

To the Wilder Family
Our sincerest condolences on the loss of Billy. Our families go back decades and my dad and yours remained friends for the duration. He was a great guy and we saw him from time to time in the Grill or the Two Door. He always seemed forever young!
May he rest easy.
Rick and Laurie (Dulemba) Novakowski

Tom Gallo

February 17, 2026

May Bill RIP Spent time with him at Capt Mud Ducks Bill was always friendly Just a good man hard worker & a good person to be around He will be missed by all

Nora Clifford

February 14, 2026

Our best memory is the Halloween party at Tumbledown Dicks when Billy was an outhouse. He won the prize for best costume. He also had my same birthday. He was the best and will be missed. Nora & Jim Clifford

jim stashenko/Elmcroft tree.

February 14, 2026

Another legend has passed on, A hard working arborist who never slowed down, Gone but never forgotten by the real tree men of CT. rest in peace, Mr Wilder

kim kalinski

February 14, 2026

RIP Bill. Thanks for all your help over the years. You were always a gentleman. God bless you.
Kim and Bill Kalinski

Patrick Clarke

February 13, 2026

Wilder Family & Friends, My thoughts are prayers are with all of you. Billy was such a great guy, a true gentleman with a great sense of humor. He had a tireless work ethic that kept him going till the end. I enjoyed many great times and cocktails with Billy over the years. He was the best tree man ever and helped me out greatly on numerous tree jobs, especially when I built my house in '95. Rest in peace & happiness my friend until we meet again. May God continue to bless the Wilder Family. With heartfelt sympathy, Pat Clarke

Bill Cameron

February 12, 2026

To the Wilder Family. Sorry to read about Bill, great guy GHS 1960 Trade School. Portchester Bar hopping. Get Married party with Art Paterson had great times together. This past summer Bill did tree work(still climbing RIP my friend

Al Wignot

February 12, 2026

I worked and drank together with Bill...RIP to a fellow arborist and friend

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