Rocklin is a distinctive boys' name in United States, ranking #8779 in 2025 with 9 recorded births. This places Rocklin in the bottom 37% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2020 with 16 births ranking #5648. In 2025, approximately 1 in every 189,786 boys born was named Rocklin. RISING Recent data shows the name is currently rising.