Macgregor is a distinctive boys' name in United States, ranking #7277 in 2001 with 9 recorded births. The name reached its all-time peak in 2000 with 17 births ranking #4500. Since 1996, the popularity has decreased by 25.0%. In 2001, approximately 1 in every 215,870 boys born was named Macgregor. RISING Recent data shows the name is currently rising.