Ranulph is a distinctive boys' name in England & Wales, ranking #3256 in 2025 with 6 recorded births. This places Ranulph in the bottom 47% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 13 births ranking #1649. In 2025, approximately 1 in every 45,323 boys born was named Ranulph. FALLING Recent data shows the name is currently falling.