Gift of God or lake of the weapon
A modern American invention likely combining the prefix 'Mace' with the popular suffix 'lynn'. It may draw inspiration from the name Macy, meaning 'weapon', or Matthew, meaning 'gift of God', blended with the Welsh 'llyn' meaning 'lake'.
Less common today
Macelynn isn't in the latest US Top 1000. It last peaked at #10,207 in 2021.
US births per 5-year period, 1990βpresent (SSA data).