Mcgregor is a distinctive boys' name in United States, ranking #7303 in 1998 with 8 recorded births. The name reached its all-time peak in 2017 with 9 births ranking #8597. Since 1996, the popularity has increased by 60.0%. In 1998, approximately 1 in every 238,915 boys born was named Mcgregor. STABLE Recent data shows the name is currently stable.