Mcgregor is a distinctive boys' name in United States, ranking #11571 in 2006 with 6 recorded births. The name reached its all-time peak in 2017 with 9 births ranking #8597. Since 1996, the popularity has increased by 20.0%. In 2006, approximately 1 in every 342,520 boys born was named Mcgregor. STABLE Recent data shows the name is currently stable.