How Many People Are Named Onisha?
An estimated 86 people in the United States have the first name Onisha. It is almost exclusively a female name. The average bearer is 34 years old, and Onisha peaked in popularity in 1994 with 20 births that year.
Below you will find a full statistical profile of Onisha as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Onisha paired with any surname.
Key Insights
- Onisha is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
86
About 1 in 3,985,516 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
34
years old
Peak Year
1994
20 births
Total Registered
89
since 1880
Gender Distribution for Onisha
Onisha is almost exclusively a female name. Out of 89 total births registered, 100.0% were female.
Onisha as a female name
Ranked #14,540 in 2000
6 female births in 2000
Peak: 1994 (20 births)
Onisha: Popularity Over Time
SSA records for Onisha span from the 1980s to the 2000s, covering 3 decades of naming data. The most popular decade for this name was the 1990s, when 67 babies were registered. Onisha has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Onisha by Decade
How has Onisha tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Onisha + Last Name Combinations
How many people share a full name with Onisha as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Onisha
Other first names starting with O with a similar number of bearers.
Onisha: Questions and Answers
How many people in the U.S. are named Onisha?
We estimate approximately 86 people named Onisha are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 3,985,516 Americans share this first name.
Is Onisha a common name?
Onisha is classified as "Very Rare" and is more popular than 62.4% of all first names in the SSA database. A total of 89 births have been registered with this name since 1880.
When was Onisha most popular?
Onisha reached peak popularity in 1994, when 20 babies were given this name. The average age of a living person named Onisha is approximately 34 years old, reflecting when the name was most commonly given.
Is Onisha a female name?
Onisha is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Onisha Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Onisha Smith, Onisha Johnson, Onisha Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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