Theresa was baptised 30 October 1880 Dublin the daughter of William Reeves & Theresa Brennan Reeves. (
https://familysearch.org/ark:/61903/1:1:FGJV-5F8 )
The family can be found in "barracks", Fullwood, Preston Lancashire in 1891, when William Reeves served with the Lancashire Regiment. I am unable to decipher his rank, although his place of birth as Middlesex, London. Theresa & Harriet, born Dublin, son William, Gibraltar (brish subject) and the other siblings Preston.
William Reeves 36
Theresa Reeves 32
Harriet Reeves 11
William Reeves 7
Augustine Reeves 6
Alfred Reeves 1