Friend of the ships or narrow friend
Kelwin is a rare English name likely derived from the Old English elements 'ceol', meaning ship, and 'wine', meaning friend. Alternatively, it may be a variant of Kelvin, which refers to the River Kelvin in Scotland, meaning 'narrow water'.
Less common today
Kelwin isn't in the latest US Top 1000. It last peaked at #7,509 in 1997.
US births per 5-year period, 1990βpresent (SSA data).