How Many People Are Named Lani Williams?
There are approximately 35 people named Lani Williams living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 9,792,981 Americans.
This estimate combines SSA birth records for the first name Lani with Census Bureau frequency data for the surname Williams. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
35
1 in 9,792,981 Americans
Combination Rarity
Rare
First Name
View full profileLani
Last Name
View full profileWilliams
Lani: Popularity Over Time
Year-by-year SSA birth registrations for the first name Lani. The peak year was 1979 with 143 births. The average person named Lani today is 39 years old.
Ancestry of the Williams Surname
Self-reported race and ethnicity breakdown for people with the surname Williams, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Lani" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Williams" appears at a rate of 550.97 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 35 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people named Lani
Other people with the surname Williams
Lani Williams: Questions and Answers
How many people are named Lani Williams?
We estimate approximately 35 people named Lani Williams are alive in the United States today. The first name Lani is shared by 6,415 Americans, and the surname Williams is shared by 1,850,671.
How rare is the name Lani Williams?
This name combination is classified as Rare, occurring at a rate of about 1 in 9,792,981 Americans. The first name Lani is rare and the surname Williams is very common.
Is Lani a male or female name?
Lani is predominantly female, with 2.5% of bearers being male and 97.5% female. It peaked in popularity in 1979 and the average bearer today is 39 years old.
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. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
Try another name
How Many of Me