In TELECOM Digest V24 #419, our Editor wrote (in part):
I never heard of the New Jersey version) in the instance of
> Bryn Mawr, there is no such suburb in the Chicago area. There
> _is_ a Bryn Mawr Avenue in Chicago (and continuing in a near
> northwest suburb) and there is a CTA train stop known as
> 'Bryn Mawr' (logically, on the street by the same
> name) and there is, oddly enough, a 'Bryn Mawr' station on
> the Illinois Central suburban line on the southeast side of
> Chicago; but no Bryn Mawr as a town or neighborhood around
> Chicago.
"Bryn mawr" is Welsh for "big hill", so I'd imagine you might find a "Bryn Mawr" 'most anywhere Welsh settlers encountered a big hill -- although big hills seem to me less likely to be found in the Chicagoland area than in Pennsylvania or New Jersey ...
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