It would seem to me that you go with whichever spelling is used by a plurality of speakers of the language.

Meelar

===== There are more than 17,000 known Kennedys in Massachusetts alone, according to the Kennedy Tracking Center, which uses special collars equipped with GPS devices. Most of the Kennedys live on a large preserve set aside in the central part of the state, where they can roam and mate freely. --Dave Barry

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