Ballinrobe Archaeological & Historical Society have a wonderful website entitled, Historical Ballinrobe. The website contains a wealth of information on Ballinrobe and its neighbouring towns, including old photographs, genealogical information, and historical documents.
The website has a great page on barracks in Ballinrobe written by Averil Staunton, available here. Averil was the founder of the society and is currently editor of the Historical Ballinrobe website. Her MA thesis ‘A visual history of St. Mary’s Church of Ireland, Ballinrobe, Co. Mayo’ is also available online to download by following this link.