Mcgregor is a distinctive boys' name in United States, ranking #12056 in 2008 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 2008, approximately 1 in every 339,991 boys born was named Mcgregor. STABLE Recent data shows the name is currently stable.