Boy or Girl

Is Kathlyn a boy or girl name?

Kathlyn is a girl name in the US. In 2024, 63 girls and 0 boys were named Kathlyn, so 100% were girls. Across 1880–2024, 100% of the 5,128 US babies named Kathlyn were girls.

Boy rank, 2024
Not ranked
Girl rank, 2024
#2,725
Babies named Kathlyn since 1897
5,128
Most popular year
1951
125 babies
Babies named Kathlyn each year in the US
Line chart of US births named Kathlyn from 1897 to 2024, boys and girls. The table below has every value.0501001502001900192019401960198020002020

Boys and girls named Kathlyn, by decade

DecadeBoysGirlsShare girls
1890s020100%
1900s076100%
1910s0565100%
1920s0512100%
1930s0268100%
1940s0728100%
1950s0851100%
1960s0382100%
1970s0223100%
1980s0382100%
1990s0489100%
2000s0383100%
2010s0152100%
2020s097100%
Every year
YearBoysBoy rankGirlsGirl rank
20240–63#2,725
20230–9#10,716
20220–6#14,433
20210–10#9,918
20200–9#10,680
20190–11#9,411
20180–13#8,363
20170–12#9,055
20160–13#8,628
20150–22#5,931
20140–12#9,250
20130–19#6,588
20120–15#8,017
20110–20#6,441
20100–15#8,085
20090–31#4,744
20080–23#6,032
20070–34#4,419
20060–42#3,696
20050–39#3,772
20040–44#3,419
20030–41#3,501
20020–34#3,849
20010–42#3,279
20000–53#2,761
19990–38#3,348
19980–33#3,604
19970–35#3,325
19960–43#2,823
19950–46#2,667
19940–66#2,091
19930–54#2,362
19920–76#1,863
19910–45#2,682
19900–53#2,358
19890–46#2,500
19880–53#2,169
19870–47#2,290
19860–50#2,135
19850–33#2,830
19840–29#3,016
19830–34#2,619
19820–32#2,865
19810–28#3,104
19800–30#2,954
19790–18#4,124
19780–26#3,044
19770–19#3,825
19760–20#3,454
19750–25#2,912
19740–22#3,160
19730–19#3,397
19720–23#2,934
19710–26#2,762
19700–25#2,816
19690–30#2,375
19680–38#1,955
19670–32#2,100
19660–34#1,996
19650–23#2,571
19640–52#1,584
19630–35#1,995
19620–37#1,905
19610–48#1,634
19600–53#1,529
19590–61#1,375
19580–48#1,550
19570–66#1,311
19560–80#1,165
19550–77#1,140
19540–80#1,104
19530–110#898
19520–102#916
19510–125#796
19500–102#878
19490–116#809
19480–117#797
19470–107#848
19460–88#888
19450–65#960
19440–72#901
19430–52#1,118
19420–36#1,358
19410–42#1,156
19400–33#1,305
19390–34#1,283
19380–22#1,676
19370–30#1,344
19360–27#1,429
19350–35#1,214
19340–19#1,806
19330–18#1,875
19320–24#1,583
19310–26#1,475
19300–33#1,336
19290–39#1,204
19280–33#1,351
19270–39#1,269
19260–39#1,251
19250–27#1,626
19240–58#1,009
19230–63#925
19220–67#893
19210–81#819
19200–66#900
19190–65#873
19180–77#818
19170–73#809
19160–86#731
19150–108#633
19140–101#559
19130–28#1,032
19120–12#1,665
19110–15#1,206
19100–0–
19090–10#1,416
19080–9#1,488
19070–5#2,215
19060–0–
19050–8#1,479
19040–9#1,311
19030–8#1,383
19020–5#1,914
19010–10#1,101
19000–12#1,137
18990–7#1,331
18980–8#1,318
18970–5#1,664

Highest rank

Kathlyn has never been ranked as a boy name. As a girl name, it reached #559 in 1914. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.

Names from the same era

These names were also most popular in the 1950s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.

Names spelled like Kathlyn

Compare Kathlyn with another nameTry Kathlyn with your surnameTop names of 1951More names starting with K

Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.