How Many People Are Named Lilly Johnson?

There are approximately 331 people named Lilly Johnson living in the United States today. That makes this name combination uncommon, occurring at a rate of about 1 in 1,035,512 Americans.

This estimate combines SSA birth records for the first name Lilly with Census Bureau frequency data for the surname Johnson. Below you will find a breakdown of both names, including popularity trends, gender data, and Census background data where it is available.

Estimated People with This Name

331

1 in 1,035,512 Americans

Combination Rarity

Uncommon

Very Rare Very Common

Lilly: Popularity Over Time

Year-by-year SSA birth registrations for the first name Lilly. The peak year was 2010 with 2,890 births. The average person named Lilly today is 19 years old.

Male
Female
0 578 1K 2K 2K 3K 1880 1900 1920 1940 1960 1980 2000 2020

Ancestry of the First Name Lilly

In the 2020 Census, the first name Lilly was most commonly recorded among people who identified as White (71.56%). The next largest recorded groups were Hispanic (13.95%) and Two or More Races (5.25%).

These percentages describe the people who had the first name Lilly in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.

Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how Lilly rose or fell over time.

White
71.56%
Black
3.79%
Hispanic
13.95%
Asian/Pacific Islander
4.30%
American Indian/Alaska Native
1.15%
Two or More Races
5.25%

Ancestry of the Johnson Surname

The surname Johnson was most commonly recorded among people who identified as White in the 2020 Census.

This is a self-reported race and ethnicity breakdown for people who had the surname Johnson in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.

White
56.79%
Black
33.56%
Hispanic
3.34%
Asian/Pacific Islander
0.71%
American Indian/Alaska Native
0.88%
Two or More Races
4.72%

How we calculated this

The first name "Lilly" has an estimated frequency of 0.0155% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.

The surname "Johnson" appears at a rate of 621.69 per 100,000 people in the 2020 U.S. Census.

We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name Lilly are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 331 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Lilly Johnson: Questions and Answers

How many people are named Lilly Johnson?

We estimate approximately 331 people named Lilly Johnson are alive in the United States today. The first name Lilly is shared by 53,208 Americans, and the surname Johnson is shared by 2,130,885.

How rare is the name Lilly Johnson?

This name combination is classified as Uncommon, occurring at a rate of about 1 in 1,035,512 Americans. The first name Lilly is uncommon and the surname Johnson is very common.

Is Lilly a male or female name?

Lilly is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 2010 and the average bearer today is 19 years old.

What does the Census say about the first name Lilly?

In the 2020 Census, the first name Lilly was most commonly recorded among people who identified as White (71.56%). The next largest recorded groups were Hispanic (13.95%) and Two or More Races (5.25%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.

Where does this data come from?

First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.

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