Byrnes, Catherine A., 76, of Bethpage, passed away on Jan. 22. Beloved wife of William M. Byrnes. Loving mother of Robert, William, Mary Ehrlinger, James and the late Joseph. Cherished grandmother of eight grandchildren and one great grandchild. Dear sister of Virginia Duane, Theresa Broderick, Thomas Downey and Gerard Downey. A funeral mass was held on Jan. 28 at St. Martin of Tours RC Church, with interment following at Long Island National Cemetery, Pinelawn. Arrangements were entrusted to the Arthur F. White Home, Inc.