In May 1996, Margaret Fitzgerald, 38, second from left, and her son William, 4, center, of Prince George’s County, along with Jeremy Lincicome, 8, second from right, and his mother, Jude Lincicome, 52, right, of Catonsville visited the White House. They were among six mothers invited to an event in honor of Mother’s Day, which focused on adoption, with first lady Hillary Rodham Clinton in the Roosevelt Room. This year Mother’s Day is May 11.