Macgregor is a distinctive boys' name in United States, ranking #11638 in 2017 with 6 recorded births. This places Macgregor in the bottom 18% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 17 births ranking #4500. Since 1996, the popularity has decreased by 50.0%. In 2017, approximately 1 in every 308,386 boys born was named Macgregor. RISING Recent data shows the name is currently rising.