Is this the Martin Kilbane and Bridget Masterson from Cloghmore?
If so, Catherine Kilbane immigrated to Cleveland, Ohio and married Thomas Mangan on 5 February 1925, while her brother Patrick Kilbane married Margaret Gallagher.
Catherine's Death Notice:
Id#: 0623348
Name: Mangan, Catherine
Date: Dec 15 1964
Source: Plain Dealer; Cleveland Necrology File, Reel #133.
Notes: Mangan. Catherine Mangan (nee Kilbane), beloved wife of the late Thomas, mother of Rosemary Moon. Sarah Wenmoth, Theresa Deck, Thomas and the late James P., sister of Patrick of County Mayo, Ireland, and grandmother, Dec. 12, late residence, 2101 W. 65th St. Friends may call at Wm. F. Chambers Funeral Home, 4420 Rocky River Dr. Requiem mass Tuesday, Dec. 15, St. Colmans Church, at 10 a. m. Interment Holy Cross Cemetery.