Dark or swarthy
Dwan is a rare variant of the Irish surname and given name Duane or Dwayne. It is derived from the Gaelic name Dubhán, which is a diminutive of 'dubh' meaning black or dark, likely originally referring to hair or complexion.
Fewer than 5 boys were named Dwan in 2025.
US births per 5-year period, 1990–present (SSA data).
Former NFL defensive tackle