Meaning and name origin
Tierney \ti(er)-ney\ as a girl's name (also used as boy's name Tierney), is of Irish and Gaelic origin, and the meaning of Tierney is "lord". Unusual surname, though made familiar by Gene Tierney's fame.
Tierney is not a popular first name for females but a very popular surname or last name for all people (#3411 out of 88799, Top 4%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Tierney for girls. Tierney has not been ranked in the Top 1000/100 so far. (2014 statistics).