Caitlin meaning, girlCaitlin

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Meaning and name origin

Caitlin \ca(it)-lin\ as a girl's name is pronounced KATE-lin, kat-LEEN, KOIT-leen, KATH-leen. It is of Old French and Greek origin, and the meaning of Caitlin is "pure". Caitlín is the Irish Gaelic form of Cateline, which is the Old French form of Katherine, whose source is the Greek name Aikaterine. See also Catherine.


Caitlin has 53 variant forms: Caelin, Caelyn, Caetlin, Cailen, Cailene, Cailyn, Cailynn, Cait, Caiti, Caitie, Caitilin, Caitlan, Caitland, Caitlandt, Caitlann, Caitlen, Caitlinn, Caitlyn, Caitlyne, Caitlynn, Caitrin, Caity, Calen, Calin, Calyn, Calynn, Catelan, Cateline, Catelinn, Catelyn, Catelynn, Catlain, Catlin, Catline, Catlyn, Catlynn, Catriona, Cayelin, Caylen, Caylin, Caylyn, Kaitlan, Kaitlann, Kaitlin, Kaitlinn, Kaitlyn, Kaitlynn, Katelan, Katelin, Katelyn, Katelynn, Kayelin and Kayelyn.

For more information, see also related girl names Cathleen and Kaylin.


Caitlin is a very popular first name for females (#560 out of 4276, Top 13%) but an uncommon surname or last name for all people (2000 U.S. Census).

Displayed below is the baby name popularity of the name Caitlin for girls. Caitlin reached its highest rank of #50 in the U.S. in 1990. (2014 statistics).

Top 1000 baby names ranking of Caitlin name in U.S.

Top 100 baby names ranking of Caitlin outside U.S.

Displayed below is a comparison of the popularity of the girl name Caitlin and its variant forms. Popular variation forms ranked in the Top 1000/100 are Katherine (#83), Kaitlyn (#158), Catherine (#170), Katelyn (#172), Caitlyn (#463), Caitlin (#496), Kaylin (#547), Katelynn (#567), Kaitlynn (#928), Katelin, Kaitlin, Caitlynn, Cathleen, Catriona and Cailyn. (2014 statistics).

Top 1000 baby names ranking of Cailyn, Caitlin, Caitlyn, Caitlynn, Catherine, Cathleen, Kaitlin, Kaitlyn, Kaitlynn, Katelin in U.S.

Top 1000 baby names ranking of Katelyn, Katelynn, Katherine, Kaylin in U.S.

Top 100 baby names ranking of Cailyn, Caitlin, Caitlyn, Catherine, Catriona outside U.S.

Top 100 baby names ranking of Kaitlin, Kaitlyn, Kaitlynn, Katelin, Katelyn outside U.S.

Top 100 baby names ranking of Katelynn, Katherine, Kaylin outside U.S.

Similar Names

Caitlin is also pronounced similarly to Katlin. Other suggested similar baby names are Cailin, Catalin and Catlina. These names tend to be less commonly used than Caitlin.