Slender or narrow
Caulin is a modern variant of the Irish name Caolán. It is derived from the Gaelic word 'caol', which translates to slender or narrow, often used to describe a person's physical build or a narrow geographical feature.
Less common today
Caulin isn't in the latest US Top 1000. It last peaked at #3,776 in 2002.
US births per 5-year period, 1990–present (SSA data).
