My Dwyers (direct line) stayed in Ireland -

They are from the parish of Rathaspick - townlands of Crissard and Shanragh -
The names Thomas, Andrew, John, William, Patrick, Denis repeat ove the generations -
My grandma was Mary-Anne -

Try searching Griffiths Valuation for place - near neighbours married -also search Tithe Applotments of 1826 - spellings vary - mine spelt their name as Dwire