Catherine E. (Ahearn) Brennan, beloved wife of the late Francis G. Brennan, passed away on Sunday, July 4th, 2021, surrounded by her loving family. Born in Winchester, she is the daughter of the late Thomas and Catherine (Duff) Ahearn.

Catherine grew up in Medford and was a graduate of Medford High School.  She married the love of her life Frank in 1953 and settled in North Reading to raise their family.  Catherine enjoyed being in her garden, traveling and going on vacations with her family.  Family was the most important part of Catherine's life.  She made sure to attend every game and important events in her children and grandchildren's life.  Catherine was deeply devoted to her husband, children, grandchildren and many friends.  She will truly be missed by all the lives and people she touched in her life.

Catherine is the devoted mother of Kathleen and Steve Allison of Lynnfield, Maureen and James McMahon of South Boston, Michael and Colleen Brennan of Pittsburg and Kevin and Chevonne Brennan of Haverhill. Cherished grandmother of Jamie and Yuko, Steven and Lori, Timothy and Marissa, Kaitlyn and Gregg, Matthew, Sarah and Eric, James and Kayla, Shane and Ali, Tyler and Maya, Jacob and Brittany, Megan, and Sydney.  Loving great grandmother of Ren, Charlotte, Benjamin, Willow, Finley, Adeline and Elsie.  She is the beloved sister of the late Doris Merrigan and loving aunt to many nieces and nephews and friends to many.

Family and friends are cordially invited to gather with Catherine's Family for visiting hours at the Cota Funeral Home, 335 Park Street, North Reading on Friday, July 9th, 2021 from 4 to 7pm.

Funeral service from the Cota Funeral Home on Saturday, July 10th at 9am, followed by a funeral mass celebrating Catherine's Life at Saint Theresa Church, 63 Winter St., North Reading at 10am.

Interment to follow at Forest Glen Cemetery in Reading.

In Lieu of Flowers, Please consider making a donation in Catherine's Memory to Dana Farber Cancer Institute Jimmy Fund at www.danafarber.jimmyfund.org