Guardian or protected by God
Shamaria is likely a modern American elaboration of the Hebrew name Samaria, the name of a biblical city. It may also be interpreted as a blend of the prefix 'Sha-' with the name Maria, combining elements of protection and bitterness or belovedness.
Less common today
Shamaria isn't in the latest US Top 1000. It last peaked at #3,315 in 2000.
US births per 5-year period, 1990βpresent (SSA data).