Mcarthur is a distinctive boys' name in United States, ranking #12101 in 2003 with 5 recorded births. This places Mcarthur in the bottom 5% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 12 births ranking #6887. In 2003, approximately 1 in every 395,054 boys born was named Mcarthur. STABLE Recent data shows the name is currently stable.