The plot thickens!
Using the LDS British Isles Vital Records set of 16 CDs, I searched for Mc Padden (note space) father Michael and Gallagher for mother. I was directed from Disk 8 (M) to Disk 11 (P&Q). Result two Civil Births:
MC PADDEN, Mary. Birth. Gender: Female
Birth Date: 30 Aug 1869. Birth registered on page 234, Drumkeeran Registrar’s District, Leit, Ire. Father: Michael McPadden, Mother: Catherine Gallagher
Source: FHL Film 101191 And
MC PADDEN, Rose. Birth. Gender: Female
Birth Date: 26 Jan 1872 Birth registered on page 281, Drumkeeran Registrar’s District, Leit, Ire
Father: Michael McPadden, Mother: Catherine Gallagher
Source: FHL Film 255841