Kierstyn Girl

How popular is Kierstyn?

#8,360 girl name in 2025

12 baby girls were named Kierstyn in the US in 2025, making it the 8360th most popular girl name.

Compare with other names
2,396living people named Kierstyn (est.)
21median age of people named Kierstyn
2,421babies named Kierstyn since 1880
1 in 276,279US babies born in 2025

Kierstyn popularity over time

075150 18801900192019401960198020002020
Rank in 2025#8,360 for girls (▲ 2757 from 2024)
Babies in 202512 girls
10-year trendFalling fast (-71% babies vs 2015)
Earlier ranks#3,704 in 2015, #5,310 in 2020
Peak year2007 (135 girls)
Highest rank#1,519 in 2004
First recorded1976
Boys vs girls (last 10 years)0% boys, 100% girls
Chance a classmate shares it0.0% in a class of 25 kids born in 2025

Kierstyn counting every spelling

Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kiersten family of names ranked #2,634 for girls in 2025 (#2,480 the year before), with 41 babies in all.

SpellingGirls in 2025Share
Kiersten 29 71%
Kierstyn 12 29%

Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.

Kierstyn by decade

DecadeBaby girlsBest rank
1970s5#9,282
1980s50#5,280
1990s646#1,665
2000s1,120#1,519
2010s505#2,010
2020s95#4,829

Girl names about as popular as Kierstyn

Questions

Is Kierstyn a boy or girl name?
Kierstyn is mostly a girl name. Over the last 10 years, 100% of babies named Kierstyn were girls.
How popular is the name Kierstyn?
12 baby girls were named Kierstyn in the US in 2025, making it the 8360th most popular girl name.
When was Kierstyn most popular?
Kierstyn peaked in 2007, when 135 girls were given the name. Its highest rank was #1,519 in 2004.
How many people are named Kierstyn?
2,421 babies have been named Kierstyn in the US since 1880. We estimate about 2,396 of them are alive in 2026, with a median age of 21.

Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.