Bald or hairless
Kalvyn is a modern phonetic spelling of the surname-turned-first-name Calvin. It originates from the French surname Chauvin, which was derived from the Latin word 'calvus'. While the literal meaning refers to a lack of hair, the name is most famously associated with the Protestant reformer John Calvin.
Less common today
Kalvyn isn't in the latest US Top 1000. It last peaked at #7,895 in 2017.
US births per 5-year period, 1990βpresent (SSA data).