Hiya Louise,
I looked at
Griffiths Valuation of Ireland which took place in Co. Armagh in 1864.
It showed three Samuel Brownes.
1. in the townland of Lisnisk in the parish of Loughgilly
2. in the townlaind of Drumilly in the parish of Loughgall
3. in the townland of Clady Beg in the parish of Kilclooney
I presume you have worked back to this point and are stuck. You have a few generations between 1870
and todays date. Do you have a given name that looks like a surname ... possibly that of Alicia's mother?
Best Wishes, Christopher