Pure
A modern American elaboration of Caitlin, which is the Irish form of Catherine. It combines the traditional 'Cait' root with the 'land' suffix, likely influenced by names like Courtland or the phonetic appeal of the '-land' ending.
Less common today
Caitland isn't in the latest US Top 1000. It last peaked at #7,450 in 1996.
US births per 5-year period, 1990βpresent (SSA data).