|Reference style||The Most Reverend|
|Spoken style||Your Grace or Archbishop|
He was Parish Priest of Dundalk (1848–1869) and Dean of the Archdiocese of Armagh (1857–1866). Following the death of Archbishop Joseph Dixon of Armagh, Kieran was Vicar Capitular of Armagh until elected archbishop by the Propaganda Fide on 30 July 1866. The election was approved by Pope Pius IX on 30 September, and decreed on 6 November 1866. He was consecrated at St. Patrick's Church, Dundalk by Cardinal Paul Cullen, Archbishop of Dublin on 3 February 1867. As archbishop, Kieran made Dundalk his mensal parish.
- Brady, W. Maziere (1876). The Episcopal Succession in England, Scotland and Ireland, A.D. 1400 to 1875. Rome. Volume 1: Tipografia Della Pace.
- Fryde, E. B.; Greenway, D. E.; Porter, S. et al., eds. (1986). Handbook of British Chronology (3rd, reprinted 2003 ed.). Cambridge: Cambridge University Press. ISBN 0-521-56350-X.
|Catholic Church titles|
|Archbishop of Armagh
and Primate of All Ireland