Lucille Roybal
There are approximately 1 people named Lucille Roybal living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Lucille with Census Bureau frequency data for the surname Roybal. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Expected bearers
1
1 in 342,754,338
Named Lucille
49K
Alive today
Named Roybal
7.8K
Alive today
US population
343M
Denominator
Estimated living: 49K
Rarity: Uncommon
Gender: Female
Peak year: 1920
Average age: 51
Estimated bearers: 7.8K
Rarity: Rare
Census rank: #5,197
Per 100K: 2.28
Top ancestry: Hispanic (81.2%)
First name trend
Lucille: popularity over time
Year-by-year SSA birth registrations for the first name Lucille. The peak year was 1920 with 8,006 births. The average person named Lucille today is 51 years old.
Babies born per year
Ethnicity
Ancestry of the Roybal surname
Self-reported race and ethnicity breakdown for people with the surname Roybal, from the 2010 US Census Bureau. The largest group is Hispanic at 81.2%.
- Hispanic or Latino81.2%
- White15.3%
- American Indian and Alaska Native1.8%
- Two or more races0.8%
- Asian and Pacific Islander0.6%
- Black or African American0.2%
Methodology
How we calculated this
The first name Lucille has a living-bearer frequency of 0.0144% of the US population, based on 49,272 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Roybal appears at a rate of 2.28 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0023%.
Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 1 people with the full name Lucille Roybal. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
Related
Other people named Lucille
FAQ
Lucille Roybal: questions and answers
How many people are named Lucille Roybal?
We estimate approximately 1 people in the United States share the full name Lucille Roybal. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0144%) with the surname frequency (2.28 per 100K) against the current US population.
How rare is the name Lucille Roybal?
We classify Lucille Roybal as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Lucille a male or female name?
Lucille is predominantly female. Out of 231,996 total SSA registrations, 0.3% were male and 99.7% were female. See the full Lucille 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.