Last NameGUILLERMO

Key Findings

• Popularity: Guillermo is the 16,095th most popular first name in the U.S., placing it among the top 98.1% all first names.
• Population: An estimated 2 thousand Americans bear the name Guillermo. Based strictly on 100 years of Social Security Administration (SSA) baby name records, the living population with this name is roughly .
• Frequency: Approximately 1 out of every 100,000 Americans are named Guillermo.
• Usage: It is almost always used as a first name (97% of the time).