Jasper

Also German:

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https://www.beliebte-vornamen.de/11118-jasper.htm
https://www.behindthename.com/name/jasper/top/germany-berlin
https://de.m.wikipedia.org/wiki/Jasper_(Name)
https://de.m.wikipedia.org/wiki/Jasper_M%C3%A4rz
https://de.m.wikipedia.org/wiki/Jasper_Carstens
https://de.m.wikipedia.org/wiki/Jasper_Andr%C3%A9_Friedrich
https://de.m.wikipedia.org/wiki/Jasper_Balke

Also Finnish:

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https://www.nordicnames.de/wiki/Jasper
https://fi.m.wikipedia.org/wiki/Jasper_(nimi)
https://en.m.wiktionary.org/wiki/Jasper#Finnish

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Also Estonian:

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https://www.stat.ee/nimed/Jasper
https://et.m.wikipedia.org/wiki/Jasper_(eesnimi)
https://en.m.wiktionary.org/wiki/Jasper#Estonian

Jasper is also Finnish (used alongside Jasperi and Kasperi in Finland), Estonian (used alongside Kaspar in Estonia), and Persian. The name day for Jasper in Finland is October 20. The name day for Jasper in Estonia is October 20. Jasper is a unisex name in Iran, used for both genders there. In other countries, this name is more exclusively masculine.

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Scripts: جاسپر (Persian)

Also Finnish name. Finnish name day October 20.
https://fi.wikipedia.org/wiki/Jasper_(nimi)
https://almanakka.helsinki.fi/en/name-days/name-day-search.html

Also Estonian: https://www.stat.ee/public/apps/nimed/

Usage: English, Dutch, Finnish, Danish (Rare), Swedish (Rare), Norwegian (Rare), German (Rare), Judeo-Christian Legend

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Pronounced: JAS-pər (English), YAS-pər (Dutch), YAH-spehr (Finnish), YAS-bu (Danish), YAS-peh (Swedish), YA-spu (German)

In 2018, 2 is the most common age for an American (U.S.) Jasper who is registered male with the Social Security Administration. It is the 1473rd most common male first name for living U.S. citizens.

Jasper is a feminine name as well.

It's also quite a common name in the Netherlands where it is pronounced YAHS-pur.

I know that you have this listed as a boys name but I think it could be used as a girls name with the reference to the gemstone!