Whole, universal, or industrious
Emmilee is a modern phonetic spelling variant of Emily or Emma. It likely derives from the Germanic word 'ermen' meaning whole or universal, or the Latin name Aemilia, which means industrious or rival.
Less common today
Emmilee isn't in the latest US Top 1000. It last peaked at #7,815 in 2000.
US births per 5-year period, 1990βpresent (SSA data).