Flowing lake or pool
Rhealyn is a modern American compound name. It combines Rhea, which is derived from the Greek word for 'flowing', with the popular suffix -lyn, often associated with the Welsh word for 'lake'.
Less common today
Rhealyn isn't in the latest US Top 1000. It last peaked at #10,045 in 2011.
US births per 5-year period, 1990βpresent (SSA data).