Hayes, Ruth E. (Duffy) of Lexington, May 11, 2011. Wife of the late Vincent E. Hayes. Mother of Vincent E. Hayes JR and his wife Joan of Andover, James M. Hayes and his wife Mary of Rockport, Terence J. Hayes and his wife Suzanne of Lexington, and Robert T. Hayes and his wife Patricia of Chelmsford. Sister of the late Arthur J. Duffy. Grandmother of Brendan, Evan, Ryan, Lauren, Katherine, and Caroline Hayes. Ruth is also survived by 4 greatgrandchildren, Evan, William, James, and Alden Hayes. Funeral from the Douglass Funeral Home, 51 Worthen Rd. Lexington Tuesday May 17 at 9am followed by a Mass of Christian burial at St. Brigid Church, Lexington at 10am. Relatives and friends are kindly invited to attend. Visiting hours Monday from 4pm to 7pm. Donations in her memory may be made to The Jimmy Fund, 10 Brookline Place West 6th Floor, Brookline, MA 02445. Interment Mt. Pleasant Cemetery, Arlington.