Cortlandt is a distinctive boys' name in United States, ranking #10195 in 1999 with 5 recorded births. This places Cortlandt in the bottom 12% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2005 with 7 births ranking #9306. In 1999, approximately 1 in every 384,017 boys born was named Cortlandt. STABLE Recent data shows the name is currently stable.