Trejan is a distinctive boys' name in United States, ranking #5282 in 2000 with 14 recorded births. This places Trejan in the top 44% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 29 births ranking #2933. In 2000, approximately 1 in every 140,281 boys born was named Trejan. RISING Recent data shows the name is currently rising.