Kilmer is a distinctive boys' name in United States, ranking #8766 in 1997 with 6 recorded births. This places Kilmer in the bottom 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 6 births ranking #8766. In 1997, approximately 1 in every 314,182 boys born was named Kilmer. STABLE Recent data shows the name is currently stable.