i used free searches again, on http://ifhf.rootsireland.ie
. i came up with the following-using only surnames together-no given names, no year or location.
O'hara, Teresa Hardy, Thomas 1879 Co. Antrim
Hardy, Mary O'Hara, Jas. 1809 Co. Galway
on the https://www.findmypast.ie
website-entering the name john hardy-1770 to 1800, UK, Dorsetshire-i found the following:
Army List 1798
Collections from Regiment
United Kingdom Thirty-Fifth (Or
Year The Dorsetshire)
1798 Regiment Of Foot
i don't know if any of this helps. continued good luck with your search.