Micajah is a distinctive boys' name in United States, ranking #9277 in 2015 with 8 recorded births. This places Micajah in the bottom 34% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 10 births ranking #6346. In 2015, approximately 1 in every 239,532 boys born was named Micajah. RISING Recent data shows the name is currently rising.