Mcgregor is a distinctive boys' name in United States, ranking #8915 in 2001 with 7 recorded births. The name reached its all-time peak in 2017 with 9 births ranking #8597. Since 1996, the popularity has increased by 40.0%. In 2001, approximately 1 in every 277,547 boys born was named Mcgregor. STABLE Recent data shows the name is currently stable.