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Ohio
> Ancestry groups (which the census defines as not including racial terms) in the state were:[12][155] 26.5% German, 14.1% Irish, 9.0% English, 6.4% Italian, 3.8% Polish, 2.5% French, 1.9% Scottish, 1.7% Hungarian, 1.6% Dutch, 1.5% Mexican, 1.2% Slovak, 1.1% Welsh, and 1.1% Scotch-Irish.
Also
https://en.wikipedia.org/wiki/Lajos_Kossuth#In_the_United_States
I'd assume some Hungarian immigrants preferred to move some of these places.