Kiersten is generally used as a girl's name. It consists of 8 letters and 2 syllables and is pronounced Kier-sten. In the U.S. in 2014, it ranked 1277 in baby name popularity for girls with 186 occurrences. Less than 5 boys were given the name. View the Kiersten Name Popularity Page to see how the popularity trend for Kiersten has changed since 1880, or to compare the popularity of Kiersten to other names. Kiersten is a variant spelling of Kirsten.