Willmer is a distinctive boys' name in United States, ranking #13146 in 2004 with 5 recorded births. This places Willmer in the bottom 1% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 5 births ranking #12243. In 2004, approximately 1 in every 396,960 boys born was named Willmer. STABLE Recent data shows the name is currently stable.