Combination of Is- and -mari; possibly God is my oath
Ismari is a rare modern coinage, likely created as a blend of names like Isabel and Maria or Mary. In some Spanish-speaking contexts, it is used as a creative variation of Ismar or a feminine form of Ismael, though its exact etymology is not firmly established.
Less common today
Ismari isn't in the latest US Top 1000. It last peaked at #13,077 in 2009.
US births per 5-year period, 1990βpresent (SSA data).