Last NameKIRWAN

Key Findings

• Popularity: Kirwan is the 12,092nd most popular first name in the U.S., placing it among the top 98.6% all first names.
• Population: An estimated 3 thousand Americans bear the name Kirwan. 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 Kirwan.
• Usage: It is almost always used as a last name (98% of the time).