Looking for James Leen from Ireland

James Leen and his wife Mary O'Meara arrived in the United States from Ireland around 1840.It is believed that he is from Limrick or West Meathe. They came through Boston and then immigrated to Benedicta Maine. One of their Daughters Mary Leen married Peter Allen from NB Canada.

http://www.famgen.net/allen/fam00340.htm