Lord or master
A modern phonetic variant of the Irish surname Tierney. It is derived from the Gaelic name Tighearnach, which comes from the word 'tighearna' meaning 'lord' or 'master'.
Less common today
Tierany isn't in the latest US Top 1000. It last peaked at #8,297 in 2008.
US births per 5-year period, 1990βpresent (SSA data).