Beautiful grace
A modern American compound name combining Callie and Ann. Callie is often a diminutive of Caroline or Callista, meaning 'beautiful,' while Ann is a classic name meaning 'grace.'
Less common today
Callieann isn't in the latest US Top 1000. It last peaked at #12,216 in 2018.
US births per 5-year period, 1990βpresent (SSA data).