Last NameREX

Key Findings

• Popularity: Rex is the 3,833rd most popular first name in the U.S., placing it among the top 99.6% all first names.
• Population: An estimated 10 thousand Americans bear the name Rex. Based strictly on 100 years of Social Security Administration (SSA) baby name records, the living population with this name is roughly .
• Frequency: Approximately 3 out of every 100,000 Americans are named Rex.
• Usage: It is commonly used as both a first and last name, but mostly a as first name (85% of the time).