First NameKOSEI

Key Findings

• Popularity: Kosei is the 48,054th most popular first name in the U.S., placing it among the top 82.2% all first names.
• Population: An estimated 74 Americans bear the name Kosei. Based strictly on 100 years of Social Security Administration (SSA) baby name records, the living population with this name is roughly 61.
• Frequency: Approximately 0 out of every 100,000 Americans are named Kosei.
• Usage: It is almost exclusively used as a boy's name (100% of the time).