Isolt
Welsh, German
"ice ruler"
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By Nameberry
Updated Mon May 11 2026
Isolt Origin and Meaning
Variation of Isolde
The name Isolt in Pop Culture
- Isolt Sayrefounder of the Ilvermorny school in JK Rowling's Harry Potter universe
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Find your perfect baby name together in our iPhone app, now available on the App Store.
- Swipe through thousands of names with your partner
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- Get personalized recommendations that learn based on your and your partner's preferences
- Partner with friends and family to find names you all love
- Backed by Nameberry's 20 years of data around name preferences.