He was born in
Ballyorgan in the
Ballyhoura Mountains, on the borders of counties
Limerick and
Cork in Ireland, and grew up in nearby Glenosheen. The family claimed descent from one Seán Mór Seoighe (fl. 1680), a stonemason from
Connemara,
County Galway.
Robert Dwyer Joyce was a younger brother. Joyce was a native Irish speaker who started his education at a
hedge school. He then attended school in
Mitchelstown, County Cork. Joyce started work in 1845 with the
Commission of National Education. He became a teacher and principal of the Model School,
Clonmel. In 1856 he was one of fifteen teachers selected to re-organize the national school system in Ireland. Meanwhile he earned his B.A. in 1861 and M.A. in 1863 from
Trinity College,
Dublin. He was principal of the Training College, Marlborough Street, in
Dublin from 1874 to 1893. As a member of the
Society for the Preservation of the Irish Language he wrote an Irish Grammar in 1878. He was President of the
Royal Society of Antiquaries of Ireland from 1906 to 1908, an association of which he was a member from 1865. He was a member of the
Royal Irish Academy. ==Collection at St. Patrick's College==