Cheerful or happy grace
A modern American blend likely combining the English surname-name Tate, meaning 'cheerful,' with the classic suffix Anna, meaning 'grace.' It represents a contemporary trend of creating melodic, multi-syllabic feminine names through hybridization.
Less common today
Tateanna isn't in the latest US Top 1000. It last peaked at #6,708 in 1996.
US births per 5-year period, 1990βpresent (SSA data).