Lachlann is a distinctive boys' name in United States, ranking #11723 in 2024 with 6 recorded births. This places Lachlann in the bottom 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2023 with 13 births ranking #6737. In 2024, approximately 1 in every 285,886 boys born was named Lachlann. FALLING Recent data shows the name is currently falling.