Macgregor is a distinctive boys' name in United States, ranking #9295 in 2011 with 8 recorded births. The name reached its all-time peak in 2000 with 17 births ranking #4500. Since 1996, the popularity has decreased by 33.3%. In 2011, approximately 1 in every 237,374 boys born was named Macgregor. RISING Recent data shows the name is currently rising.