Whole, universal, or rival
Emmilyn is a modern hybrid name, likely combining the classic German root 'Emma' with the popular English suffix '-lyn'. It carries the historical weight of 'Emma', meaning whole or universal, while adopting the rhythmic, contemporary feel of the -lyn ending.
Less common today
Emmilyn isn't in the latest US Top 1000. It last peaked at #4,240 in 2013.
US births per 5-year period, 1990βpresent (SSA data).