Clara is both an English and Russian name that comes from the Latin word Clarus, which means "clear, bright, famous." Clara is the lead role in Tchaikovsky's Nutcracker, a ballet traditionally performed at holiday time. Clara was the 246th most popular name in the United States in 2005, with 1,297 baby girls receiving the name. Other famous Claras: Clara Barton, founder of the Red Cross and Clara Bow, a 1920's film star known as the original "it girl".
Margaret (Clara's middle name) is of Greek origin and means pearl. It was the name of nine queens of England, France, Austria, and Scotland. It is both an Eliot and Shadrova family name: Clara's grandmother Margarita, great-grandmother Marjorie, and great-aunt Peggy --all variant forms of Margaret.