Washington state Department of Health reveals top names for 2011 OLYMPIA, Wash., Jan. 2 (UPI) -- The Washington state Department of Health said the most popular baby names for 2011, the most recent year with available data, were Sophia and Mason. The department said there were 453 baby girls born in the state with the name Sophia in 2011 and 446 baby boys with the name Mason, The Yakima (Wash.) Herald reported Wednesday. The rest of the top 10 baby names in Washington for 2011 were Olivia, Emma, Isabella, Emily, Ava, Abigail, Madison, Chloe and Elizabeth. The boys' list was rounded out by Liam, Alexander, Ethan, Jacob, Daniel, Noah, William, Logan and Benjamin.