[ 3 syll. tier-nan, ti-ern-an ] The baby boy name Tiernan is also used as a girl name. It is pronounced as TIHIYRNaeN †. Tiernan is largely used in the Irish language and it is derived from Celtic origins. It is derived from the elements 'tighearna' meaning lord ; 'tigern' lord. The name is Anglicized from Tighearnán, itself from 'tighearna' combined with a diminutive suffix. The name was borne by a 12th-century king of Breifne in Ireland.
The name Tiernan is widely used; it has 23 variants that are used in English and other languages. Variants used in English include Tiarnach, Tiarnea, Tiarnee, Tiarney, Tiarni, Tiarnie, Tiarny, Tier, Tiernea, Tiernee, Tiernen, Tierney, Tierni, Tiernie, Tiernon, Tierny, Tighearnach, Tyernan, and Tyrnan.
Tiernan is an unusual baby name for boys. It is not listed in the top 1000 names.
Baby names that sound like Tiernan include Tighearnach, Tighearnán, Tarana, Taurean, Taurino, Terriun, Terriyn, Tiarnee, Tiarney, Tiarni, Tiarnie, Tiarny, Tierney, Tyroney, Tyryn, Terione, Terrione, Toriano, Taran, and Tarin.
† English pronunciation for Tiernan: T as in "tee (T.IY)" ; IH as in "it (IH.T)" ; IY as in "eat (IY.T)" ; R as in "race (R.EY.S)" ; N as in "knee (N.IY)" ; AE as in "at (AE.T)"