Daniel, in case you are not aware - if Michael Keenan was born in Ballaghadereen he was a Mayo man. The town was in the area transferred to Co. Roscommon by the Local Government Act of 1898. LDS film number 1279232 (items 1-9) would include a record of his Baptism. If you view it, be prepared to be flexible with birth dates, many were older than their given age.