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Mauser (Feinberg)

April 25, 1936 – March 28, 2021

Rosalie Mauser
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Obituary for Rosalie Mauser (Feinberg)

Due to the gathering restrictions, friends are requested to view Rosalie’s service virtually. To do so, click on the “Photos & Webcasts” tab above, then scroll down and click on the "Webcasting" box at 10:55 a.m. on Wednesday.

Loving Wife, Mother, Grandmother

Rosalie (Feinberg) Mauser, a longtime resident of Chelmsford, entered into rest on March 28, 2021, after a lengthy illness, surrounded by her family, aged 84 years. She was the beloved wife of Gary Mauser with whom she had shared 65 years of marriage.

Born in Brooklyn, New York, April 25, 1936, a daughter of the late Alfred and Libby (Zier) Feinberg. Rosalie received her education in the Brooklyn school system and was a graduate of Midwood High School, with the Class of 1954. She furthered her education at the Catherine Gibbs School for secretarial studies.

Rosalie was an avid Bridge and Mahjong player. She volunteered at the Chelmsford Senior Center, where she had many friends who enjoyed spending time with her. For many years, Rosalie enjoyed square dancing with her husband and was the President of their Square Dance Club. She took pride in texting family members and friends a daily morning message which included events, a weather report and a trivia question.

She worked in the Chelmsford School System and held several jobs as an Executive Assistant with various companies throughout her career. Rosalie had advanced computer and technology skills well beyond her years.

In addition to her husband, she is survived by two daughters, Linda Foster and husband Tim of Boxboro, MA, Barbara Mokler and husband KC of Andover, MA, and a son, Alan Mauser of Louisville, KY. Grandchildren Ryan, Sean, Marc and Evan Foster, Brendan Mokler and Nathan, Rachel, Josh (wife Baily) and David Mauser. Brother, Bernie Feinberg and wife Phyllis and sister, Eileen Traietta. Also by many cousins, nieces and nephews. She was the sister of the late Freddy Feinberg.

Please consider making a donation in her name to the Chelmsford Senior Center, 75 Groton Road, Chelmsford, MA 01863. Please omit flowers. Arrangements in the care of the Morse-Bayliss Funeral Home, 122 Princeton Boulevard, Lowell, MA. Funeral Director, Frederick W. Healy. Please visit Mrs. Mauser’s life tribute at

Service Information

Wednesday, March 31, 2021 11:00am
Address not given
To view Rosalie's service, please click on the “Photos & Webcasts” tab above, then scroll down and click on the "Webcasting" box at 10:55 a.m. Or copy and paste this link into your browser: Access begins at 10:55 a.m.
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