Likely a modern elaboration of Samantha or a place-name variant.
Samoya is a rare modern name with unclear etymological roots. It is often considered a creative variation of Samantha, which means 'told by God,' or potentially inspired by the island nation of Samoa. In some contexts, it is used as a rhythmic, melodic invention without a singular historical origin.
Less common today
Samoya isn't in the latest US Top 1000. It last peaked at #12,781 in 2013.
US births per 5-year period, 1990βpresent (SSA data).