Loucas is a distinctive boys' name in United States, ranking #13274 in 2015 with 5 recorded births. This places Loucas in the bottom 6% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 5 births ranking #12034. In 2015, approximately 1 in every 383,252 boys born was named Loucas. STABLE Recent data shows the name is currently stable.