After attending St. Mary's University in San Antonio, Texas, for his Bachelor of Arts degree, Prof. Ó h-Íde read linguistics at Trinity College Dublin, gaining a Master's of Philosophy in Applied Linguistics in 1992 and a Doctorate degree in Applied Linguistics in 1998.
Prof. Ó h-Íde began teaching secondary school in County Dublin while completing his master's degree. He taught the English and Irish languages at Bergen Community College (NJ) while completing research for his Ph.D. Since 2000, he has been employed at Lehman College of the City University of New York (CUNY) where he became the first professor in the CUNY system to be appointed as full-time instructor of the Irish language. 
Colloquial Irish (with Máire Ní Neachtain, Roslyn Blyn-LaDrew, and John Gillen). New York: Routledge 2008
The Irish Language in the United States: a historical, sociolinguistic, and applied linguistic survey. Westport, CT: Bergin & Garvey 1994.
"Emancipation through exile: Irish speakers in the Americas" In Michael Newton (ed.), Celts in the Americas. Sydney, NS: Cape Breton University Press, 2013.
"Irish American Identity and the Irish Language." In P. Kirwan, J. Byrne & M. O'Sullivan (eds.), Affecting Irishness. New York: Peter Lang, 2008.
"Irish Language Learning Textbooks Published in the United States: 1873-1904." New Hibernia Review, Vol. 9, 2005. 137-151.
"Teacher and Student Roles in Multimedia Language Learning." Teanga: The Irish Yearbook of Applied Linguistics, Vol. 20, 2001-2002, 69-87.
“Curriculum Development and Textbook Design for North American Learners of Irish.” Language, Culture, & Curriculum, Vol. 13, No. 1, 2000, 1-12.
"Issues in the design of credited Irish courses" Journal of Celtic Language Learning, Vol. 5, 2000, 5-19.
Born Thomas Ihde, he is named after his maternal grandfather Thomas, who was a native Irish speaker from Galway. His paternal grandfather was a German-American. He was given the Irish version of his surname by his first Irish language teacher John Egan. He legally Gaelicized his name in 1989 at the Central Office of the Four Courts while living in Ireland.
1. Stenson, Nancy. "Retrospective: NAACLT - the first decade" Journal of Celtic Language Learning, Vol. 10, 2005, p. 43. http://naaclt.org/resources/JCLL_2005_vol10_p43-53.pdf
3. "Emancipation through exile: Irish speakers in the Americas" In Michael Newton (ed.), Celts in the Americas. Sydney, NS: Cape Breton University Press, 2013. See also http://www.census.nationalarchives.ie/reels/nai000850350/