Colin 2

Also Guernésiais: http://dbooks.bodleian.ox.ac.uk/books/PDFs/590676737.pdf

Also Swedish: https://www.nordicnames.de/wiki/Colin

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Also Dutch: https://www.meertens.knaw.nl/nvb/naam/is/Colin

Also French: https://www.meilleursprenoms.com/popularite-prenom/Colin
http://www.ellipsis.cx/~liana/names/french/paris1423.html

Also Gascon, Provençal and Languedocian: https://ieo-oc.org/spip.php?page=article&id_article=290 --- Source: Institut d'Estudis Occitans

Colin is getting popular in Sweden. Parents might have discovered the name through British director Colin Nutley who is married to a Swedish actress and has made "films-about-Swedes-and-Swedishness" his speciality.