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Walter J. Doherty
  • In lieu of flowers, please make memorial contributions in Walter's name to:
  • Northern Westchester & Putnam Center for Life
    99 Valley Rd
    Katonah, NY 10536
  • OR:
  • St. John's Food Pantry
    225 East Lake Blvd
    Mahopac, NY 10541

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Memories & Candles

“Walter loved to attend Eucharistic Adoration and pray the Rosary to our Blessed Mother. He also prayed for vocations to the Priesthood and life for...Read More »
1 of 7 | Posted by: Joan Cook - Mahopac, NY - Friend

“Walt befriended me in 1975 as the new manager at IBM Cambridge and was always an enthusiastic and welcome visitor to our lab. When I taught at MIT, I...Read More »
2 of 7 | Posted by: Richard MacKinnon - Needham, MA

“Peggy,I am sorry for your loss.BobTrgid 53Manhattan 57 ”
3 of 7 | Posted by: Robert Golden - YONKERS, NY

“Rest In Peace ”
4 of 7 | Posted by: Jack Nelan - Highland beach, FL

“With our most sincere and heartfelt sympathy ”
5 of 7 | Posted by: Richard and Elizabeth Bruen - MA

“Walt was unfailingly positive, generous, and inclusive. When I first met him he was a famous person across IBM Research and IBM as a whole. Despite...Read More »
6 of 7 | Posted by: Marc Donner - New York, NY

“There were a lot of "giants" at the IBM T.J. Watson Research Center, but none of them had the talent, the charisma, and the ability to get the...Read More »
7 of 7 | Posted by: Glenn Stubbs - Hopewell Jct, NY


Walter Joseph Doherty was born September 24, 1936 to Helen (Gierum) & Walter Doherty in Queens, NY. Walter graduated from St. Gabriels School in East Elmhurst then after graduating from Regis High School he went to Manhattan College and majored in Math. Walter started dating Margaret McAnanly in Freshman year of college. They married September 1, 1958 and were happily married for almost 60 years. They were blessed with 6 children Jim (Rose), Joe (Kathy), Marge Momberger (Terry), Teresa Capozzi (Ray), Ann Walter (Chris) & Cathy Doherty. Their 12 precious grandchildren are John (Danielle), Steven & Samantha Walter; Christina, Jamie & Kimberly Doherty; Shannon, Kelly & Sean Doherty; Raymond, Tom & Lisa Capozzi. Walter is survived by his brother John, his brother-in-law, Michael McKenna and predeceased by his parents, sister Ellen McKenna and sister-in-law, Joan Doherty.

Upon college graduation Walter taught math in Canterbury HS New Milford, CT. He joined IBM Research in 1960 where he worked for 33 years. In 1964 he developed computer assisted instruction which was used in many schools including Mahopac. Walter traveled a great deal for IBM & gave over 1,500 lectures in Universities & Corporations in many parts of the world. He retired from IBM in 1993.

Walter loved to sing, joining his first choir at the age of 10. He founded & directed the first choir St. John's had on a regular basis & was an active member through their 2016-2017 season. He joined the Chorus of Westerly where his family had a vacation home and was 1 of the 3 tenors from Mahopac in the Archdiocesan Festival Chorale. Walter was active in the Holy Name Society, Nocturnal Adoration and Respect Life Society at St. John's. He was a member and Historian of the Friendly Sons of St. Patrick. He enjoyed golfing, genealogy and gardening.

Friends and family are welcome to attend a visitation on Tuesday, May 29th from 2-4 & 7-9 PM at the Joseph J. Smith Funeral Home in Mahopac, NY. A Mass of Christian Burial will be celebrated on Wednesday, May 30th at 10 AM at St. John The Evangelist Church, also in Mahopac. Interment will follow at St. Denis Cemetery in Hopewell Junction, NY.