Wei Lo
There are approximately 1 people named Wei Lo 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 Wei with Census Bureau frequency data for the surname Lo. 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 Wei
350
Alive today
Named Lo
21K
Alive today
US population
343M
Denominator
Estimated living: 350
Rarity: Very Rare
Gender: Unisex
Peak year: 2001
Average age: 33
Estimated bearers: 21K
Rarity: Uncommon
Census rank: #2,036
Per 100K: 6.00
Top ancestry: Asian/Pacific Islander (90.8%)
First name trend
Wei: popularity over time
Year-by-year SSA birth registrations for the first name Wei. The peak year was 2001 with 20 births. The average person named Wei today is 33 years old.
Babies born per year
Ethnicity
Ancestry of the Lo surname
Self-reported race and ethnicity breakdown for people with the surname Lo, from the 2010 US Census Bureau. The largest group is Asian/Pacific Islander at 90.8%.
- Asian and Pacific Islander90.8%
- White2.9%
- Two or more races2.7%
- Black or African American2.2%
- Hispanic or Latino1.3%
- American Indian and Alaska Native0.1%
Methodology
How we calculated this
The first name Wei has a living-bearer frequency of 0.0001% of the US population, based on 350 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).
The surname Lo appears at a rate of 6.00 per 100,000 residents in the 2010 Census Bureau surname file, which translates to a frequency of 0.0060%.
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 Wei Lo. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.
FAQ
Wei Lo: questions and answers
How many people are named Wei Lo?
We estimate approximately 1 people in the United States share the full name Wei Lo. That works out to about 1 in 342,754,338 Americans. This is calculated by combining the first-name frequency (0.0001%) with the surname frequency (6.00 per 100K) against the current US population.
How rare is the name Wei Lo?
We classify Wei Lo as "Very Rare". About 1 in 342,754,338 Americans share this exact first and last name combination.
Is Wei a male or female name?
Wei is predominantly unisex. Out of 362 total SSA registrations, 78.2% were male and 21.8% were female. See the full Wei 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.