This is from another part of Galway and there is no way of knowing if it's the same person but may help you if you get more info.
With James being a labourer they may have travelled around and maybe Maria was just living in Ballinasloe just before she married - just a theory !
Maria McDonnell
Baptism 21 May 1864
Place Portumna, Galway, Ireland
Parents James McDonnell & Mary Geoghegan
Also have you tried tracking down her sister Catherine (her bridesmaid ?) You may get some leads through her !
Tara
