Lily flower and bitter or pearl
A compound name combining Lilly, derived from the flower symbol of purity, and Mae, a diminutive of Mary or Margaret. It reflects a traditional Southern American naming style of joining two classic names to create a rhythmic, diminutive form.
Less common today
Lillymae isn't in the latest US Top 1000. It last peaked at #8,031 in 2014.
US births per 5-year period, 1990βpresent (SSA data).