Gift of God or meadow of the elm tree
Emslee is a modern American coinage likely formed as a phonetic blend of the name Emma and the popular suffix -lee. It may also be interpreted as a variant of Ainsley or Emsley, a British surname referring to a clearing or meadow.
Less common today
Emslee isn't in the latest US Top 1000. It last peaked at #8,569 in 2018.
US births per 5-year period, 1990βpresent (SSA data).