sentences:  John O'Mahony
  
  John Francis O'Mahony (1815 – 7 February 1877) was a Gaelic scholar and the founding member of the Fenian Brotherhood in the United States, sister organisation to the Irish Republican Brotherhood.O'Mahony was born in 1815 in Kilbeheny, County Limerick or Cork or Tipperary, Ireland, into a family of minor Roman Catholic landed gentry.