Gaius is a distinctive boys' name in United States, ranking #2824 in 2014 with 42 recorded births. This places Gaius in the top 20% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2014 with 42 births ranking #2824. In 2014, approximately 1 in every 45,725 boys born was named Gaius. RISING Recent data shows the name is currently rising.