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I checked the subscription site Roots Ireland for Micahel McKeon with father Patrick. Is this the record for your ancestor? I did not see a marriage record for Patrick and Anne Roach/Roche.
Name:Michael McKeonDate of Birth:
Date of Baptism:20-Jan-1867Address:CurranneParish/District:KEELOGUESGender:MaleCountyMAYO
Father:Pat McKeonMother:Anne RoachOccupation:
Sponsor 1 /
Informant 1:Patrick Ruanne Sponsor 2 /
Informant 2:Honor Ruanne