Hauser, Ellen L. (Ross) on March 2, 2008. Beloved wife of Dr. David Hauser. Loving sister of Marc Ross and his wife Katherine Conner of Philadelphia, PA. Graveside services at the Beit Olam Cemetery, off of Route 27, Wayland (Enter through the Wayland North Cemetery) on Thursday, March 6 at 10:00 am. Memorial observance will be at her late residence on Thursday, Friday until Sundown, Saturday evening and Sunday. In lieu of flowers remembrances may be made to the Ovarian Cancer Research/Dr. Ursula Matulonis, Dana Farber Cancer Institute, 10 Brookline Place West, 6th floor, Brookline, MA 02445. Ellen was a longtime teacher at the Joseph Estabrook Elementary School in Lexington.