Submitted NameRevisions Save Gender Masculine Usage Medieval Polish Pronounced Pron. MOI-swaf(Old Polish) [key] Edit Status Status [show contributorshide contributors] Added 1/1/2021 by ari. Edited 1/1/2021 by ari. Meaning & History An Old Polish name consisting of the elements moj, meaning "my" and sław, meaning "fame". This name was only recorded in the Ruthenian chronicle of Nestor and could have been a variant Masław or Miecisław.