Mcgwire is a distinctive boys' name in United States, ranking #5224 in 2000 with 14 recorded births. This places Mcgwire in the top 43% 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 36 births ranking #2499. In 2000, approximately 1 in every 140,281 boys born was named Mcgwire. FALLING Recent data shows the name is currently falling.