Mcgregor is a distinctive boys' name in United States, ranking #9399 in 2016 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 2016, approximately 1 in every 237,151 boys born was named Mcgregor. STABLE Recent data shows the name is currently stable.