LOWELL - Leo J. Carbonneau, Sr., 82, a Lowell resident for the past 43 years, died Thursday March 20, 2008 at his home following a brief illness. He was the beloved husband of Sylvia E. (Dominguez) Carbonneau.Born in Lowell on January 6, 1926, he was a son of the late Charles and Bernadette (Ayotte) Carbonneau.Mr. Carbonneau attended Lowell Schools and...