What does Sergei mean?
Sergei is a rare given name for males. Sergei is also a unique last name for all people. (2000 U.S. Census)
Sergio (#307 the previous year) is the only popular variation form of Sergei (#unlisted). This boy name reached the apex of its popularity in 1992 and is now much less popular. Sergio (#307) is the most contemporarily stylish birth name in this list. Below is a graphed analysis of the usage of the boy name Sergei and corresponding names. (Top 1000 Baby Names Statistics, 2014)
A recommended similar baby name is Sarge. Like Sergei, this name is not commonly used.