Maciel is a distinctive boys' name in United States, ranking #8767 in 2000 with 7 recorded births. This places Maciel in the bottom 28% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 8 births ranking #9548. In 2000, approximately 1 in every 280,562 boys born was named Maciel. FALLING Recent data shows the name is currently falling.