Sergey is a distinctive boys' name in United States, ranking #3377 in 1998 with 23 recorded births. This places Sergey in the top 30% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 29 births ranking #3062. Since 1996, the popularity has increased by 109.1%. In 1998, approximately 1 in every 83,101 boys born was named Sergey. RISING Recent data shows the name is currently rising.