Thanks for your message. I hope that someone recognises the name and is able to assist you!
In the meantime, I found a record of a Mary Seaver in Ballyboghil in the 1833 Tithe Applotment Books:
There are also a lot of Seavers in Balrothery which neighbours Ballyboghil.
You can also see what Seavers were recorded in Dublin in the later Griffith?s Valuation:
Irish Genealogy have church records from Dublin available online on their website, here are the records pertaining to Seavers in Dublin:
I did a search in the 1901 census records for Patrick and Joseph. There is a Patrick who could be the right age recorded in Balbriggan which again is in Balrothery parish:
None of the Joseph's in Dublin match:
I hope some of these links are helpful.
All the best,