SALERA - Catherine M. (Katie), age 90, of Tewksbury, formerly of Everett passed away Thursday, Oct. 7. Beloved wife of the late Joseph. Devoted mother of Ursula Bolz husband Walter, Joann Citrano husband Michael, Kathleen Sentner. She leaves behind many grandchildren and great grandchildren also nieces and nephews. Katie retired from Transitron after 25 years of service as a supervisor. Her years in Tewksbury had been active with Red Hatters and the senior center. A Memorial Service will be held and interment at Woodlawn Cemetery. Donations to be made to New England Hospice, 190 Derby St., Hingham,MA