Isaish is a distinctive boys' name in United States, ranking #6724 in 2002 with 10 recorded births. This places Isaish in the bottom 46% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 10 births ranking #6724. Since 1996, the popularity has increased by 42.9%. In 2002, approximately 1 in every 194,147 boys born was named Isaish. STABLE Recent data shows the name is currently stable.