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What does Caoilainn mean?

Caoilainn Pronunciation of Caoilainn [caoilainn] as a girls' name is pronounced KAY-lin, KEY-lin. It is of Irish origin, and the meaning of Caoilainn is "slender and white, fair or pure". From "caol fionn". It is anglicized as Kalin or Keelin.

Associated with: irish, slender (little), white, fair (beautiful), pure (virgin).


Caoilainn has 9 variants: Caelainn, Caelan, Caelyn, Caoilfhionn, Caoilfinn, Caoilinn, Kalin, Keelan and Keelin.

Affiliated girl names: Calla, Cayla and Kayla.

1 masculine form: Caolan.

Creative forms:


Middle name pairings:
Caoilainn Jillian (C.J.), ..

How popular is Caoilainn?

Caoilainn is an unusual given name for females. Caoilainn is an equivalently unusual last name too for all people. (2000 U.S. Census)

Which version is better?

with its variant forms and related girl names. Caelyn, Calla (#1565 a year ago), Cayla (#1731), Kalin and Kayla (#115) are the popular varying forms of Caoilainn (not ranked) rated in the Top 2000. Usage of these forms of Caoilainn was more pronounced in 1995 (average #1307) and is now much diminished (#1482, 86%), with versions such as Kayla becoming less in vogue. (2015 U.S. SSA Records)

Top 2000 baby names ranking of Caelyn, Calla, Cayla, Kalin, Kayla in U.S.

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

Similar Names

Caoilainn is pronounced similarly to Cailin and Cailynn. Other recommended names are Aoibhinn, Caelin, Caetlin, Caila, Caileen, Caileigh, Cailen, Cailene, Cailie, Cailyn, Caitland, Caitlann (see Caitlin), Caitlin, Caitlinn, Caitrin, Caitrine, Caitrinn, Calin, Calina, Callan, Calvina, Calvinne, Calynn, Camillie, Caralin, Caraline, Cariana, Carileen (see Caroline), Carilis, Carilyn, Carilynne (see Caroline), Carlaena, Carlan, Carlana, Carlina, Carling, Carlynn, Carmaine, Carolann, Carolanne, Carolein (see Caroline), Carolin, Catalin, Catalina, Cataline, Catelan, Cateline, Catelinn (see Caitlin), Catherinn (see Catherine), Cathline, Cathrinn (see Catherine), Catlain, Catlaina (see Catherine), Catline, Cauline, Cayelin, Caylin, Charilynn (see Cherilyn), Charlaine, Christinn, Ciline, Colina, Coline, Collina, Colline, Coriann, Darlinn, Kaitrinn (see Katherine), Karilynn, Katelinn (see Katelyn), Kaylinn, Laciann and Mariann. These names tend to be more commonly used than Caoilainn.

See names
in meaning and etymology.