70%RatingSave Gender Masculine Usage Medieval Irish Pronounced Pron. /ˈtʲiəɾˠ.nˠaːnˠ/ [key·simplify] Meaning & History From Old Irish Tigernán meaning "little lord", from tigerna "lord" combined with a diminutive suffix. It was borne by a 6th-century saint who founded a monastery at Errew. It was also the name of a 12th-century king of Breifne. Related NamesFamily Tree·Details RoottigernaOther Languages & CulturesTiarnán, Tiernan, Tierney, Tiarnach(Irish) Tigernach, Tigernán(Old Irish) Categories history, kings, leadership, saints