On Tuesday, March 14, 2017, of Kensington, MD. Beloved daughter of the late Elizabeth H. and John J. Brennan; sister of John, Jr. (the late Mary Frances), and Joseph P. Brennan; aunt of Cara Brennan, Michael Shawn Headley and the late Tara Brennan. Relatives and friends may call at Collins Funeral Home, 500 University Boulevard West, Silver Spring, MD, (Valet Parking), Sunday, March 19, 2017, from 2 to 4 and 7 to 9 p.m. Mass of Christian Burial at St. John the Evangelist Church, 10103 Georgia Avenue, Silver Spring, MD, on Monday, March 20, 2017 at 11 a.m. Interment Gate of Heaven Cemetery. Contributions, in her memory, may be made to Holy Cross Hospital Foundation, 10720 Old Columbia Pike, 2nd floor, Silver Spring, MD 20901 or Humane Society of Montgomery County, 601 S. Stonestreet Ave., Rockville, MD 20850.