Island of May or bright island
A modern compound name likely combining the Scottish island name Isla with the vintage suffix Mae. It blends the natural imagery of the River Isla or a 'bright island' with the springtime associations of the month of May.
Less common today
Islamae isn't in the latest US Top 1000. It last peaked at #6,631 in 2024.
US births per 5-year period, 1990βpresent (SSA data).