Noble and lake
Acelynn is a modern American invention, likely created by combining the name Ace with the popular suffix -lynn. Ace is derived from the Latin word for 'one' or 'unity' and often carries connotations of excellence or nobility, while -lynn is a Welsh-derived suffix meaning 'lake'.
Less common today
Acelynn isn't in the latest US Top 1000. It last peaked at #2,079 in 2014.
US births per 5-year period, 1990βpresent (SSA data).