Maria Alonso
There are approximately 45 people named Maria Alonso living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 7,616,763 Americans.
This estimate combines SSA birth records for the first name Maria with Census Bureau frequency data for the surname Alonso. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
45
1 in 7,616,763
Named Maria
439K
Alive today
Named Alonso
35K
Alive today
US population
343M
Denominator
Estimated living: 439K
Rarity: Common
Gender: Female
Peak year: 1964
Average age: 44
Estimated bearers: 35K
Rarity: Uncommon
Census rank: #1,155
Per 100K: 10.30
Top ancestry: Hispanic (91.9%)
First name trend
Maria: popularity over time
Year-by-year SSA birth registrations for the first name Maria. The peak year was 1964 with 10,196 births. The average person named Maria today is 44 years old.
Babies born per year
Ethnicity
Ancestry of the Alonso surname
Self-reported race and ethnicity breakdown for people with the surname Alonso, from the 2010 US Census Bureau. The largest group is Hispanic at 91.9%.
- Hispanic or Latino91.9%
- White6.8%
- Asian and Pacific Islander0.8%
- Black or African American0.2%
- Two or more races0.2%
- American Indian and Alaska Native0.1%
Methodology
How we calculated this
The first name Maria has a living-bearer frequency of 0.1281% of the US population, based on 438,999 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Alonso appears at a rate of 10.30 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0103%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 45 people with the full name Maria Alonso. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Maria
FAQ
Maria Alonso: questions and answers
How many people are named Maria Alonso?
We estimate approximately 45 people in the United States share the full name Maria Alonso. That works out to about 1 in 7,616,763 Americans. This is calculated by combining the first-name frequency (0.1281%) with the surname frequency (10.30 per 100K) against the current US population.
How rare is the name Maria Alonso?
We classify Maria Alonso as "Very Rare". About 1 in 7,616,763 Americans share this exact first and last name combination.
Is Maria a male or female name?
Maria is predominantly female. Out of 567,411 total SSA registrations, 0.8% were male and 99.2% were female. See the full Maria profile for detailed gender data.
Where does this data come from?
First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2010 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.