Lyn

This name can also be a Masculine name as a short form of Lyndon, Franklyn and other names with 'lyn', making this name Unisex.
https://www.behindthename.com/name/lyndon
https://www.behindthename.com/name/franklyn

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https://www.behindthename.com/name/lyn/top
https://www.names.org/n/Lyn/about
https://forebears.io/forenames/lyn

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https://en.wikipedia.org/wiki/Lyn_Lary
https://www.google.com/search?q=Lyn+Ott
https://www.google.com/search?q=Lyn+Evans
https://en.wikipedia.org/wiki/Lyn_Evans

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Lyn Saunders is a notable example as mentioned earlier.
I'm actually not sure if Lyn Saunders is male or not.
http://murderpedia.org/male.H/h/hall-maddison.htm
https://en.wikipedia.org/wiki/Maddison_Hall

Lyn is definitely not your typical Polish name, nevertheless, as of January this year, there have been 11 women with the first name Lyn in Poland, and 30 women with Lyn as their middle name. A Lyn could probably celebrate her name day with any name that contains -lin-.