Hi, a few bits.......
Marriage:
10 July 1884
Aran Islands, co Galway
Colman O'Donnell
age 24 bachelor
address: Gurtnagopple
occ: landholder
father: Patrick O'Donnell occ: landholder (dec.)
Mary Mullin
age 17 spinster
address: Gurtnagopple
occ: landholder's daughter
father: Thomas Mullin occ:landholder
witnesses: Bryan Flaherty & Mary Dirrane
children to Colman & Mary (Mullin) O'Donnell:
Michael
bap: 26 or 28 June 1885
Colman
bap: 6 July 1885
*why he is baptised on a different day I have no idea
Patrick
bap: 14 December 1886
Thomas
bap: 12 August 1888
Colman
bap: 22 June 1890
Daniel
bap: 17 January 1892
Colman
bap: 7 June 1896
Julia
bap: 8 May 1898
* a few baptisms seem to be missing including daughter Mary
I could find no baptism record for a Colman O'Donnell with a father named Patrick.
I did find the birth however of Mary Mullin, her siblings and her parents' marriage.
Marriage:
13 March 1856
Dunmore, co Galway
Thomas Mullin & Mary Delany
* the bride's last name has been misrecorded- it is Daley
Births of children to Thomas & Mary (Daley) Mullin:
Bridget
bap: 21 December 1856
Dunmore, co Galway
James
bap: 18 August 1858
Dunmore, co Galway
*note says he married Catherine Ryan on 21 January 1909
Mary
born: 11 May 1867
Dunmore, co Galway
Dominick
born: 26 December 1869
Dunmore, co Galway
Michael
born: 24 April 1872
Dunmore, co Galway
Peter
born: 9 September 1874
Dunmore, co Galway
**there is a big gap between 1858-1867 so they probably had other children.
Hope this helps, Kim