Recommendations avoid excessive rhyming and favor compatible style, origin, era, and rhythm.
Borrowed from English Arthur, from the name of the legendary king, from Middle English Arthure, from Medieval Latin Arthurus, probably from Welsh arth, from Proto-Celtic *artos.
From Welsh, derivation uncertain. Possibly "prominent".
From Welsh ap Owain (“son of Owen”).
Borrowed from Welsh Bronwen.
Borrowed from Welsh Bronwen.
From Welsh bryn (“hill, mound”), or Cumbric *brınn (“hill”) in the Greater Manchester place-name.
Borrowed from English Arthur, from the name of the legendary king, from Middle English Arthure, from Medieval Latin Arthurus, probably from Welsh arth, from Proto-Celtic *artos.
From Welsh, derivation uncertain. Possibly "prominent".
From Welsh ap Owain (“son of Owen”).
Borrowed from Welsh Bronwen.
Borrowed from Welsh Bronwen.
From Middle Welsh eneit (“spirit, life; purity”), from Proto-Celtic *anatyom, from Proto-Indo-European *h₂enh₁- (“to breathe, blow”). Cognate with Gaulish anatia (“souls (?)”)…
Sibling matches balance shared style and origin with enough sound distinction, so recommendations do not simply rhyme with Lowri.