How Many People Are Named Semaja?
An estimated 183 people in the United States have the first name Semaja. It is used for both genders, with 88.1% female. The average bearer is 19 years old, and Semaja peaked in popularity in 2006 with 20 births that year.
Below you will find a full statistical profile of Semaja 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 Semaja paired with any surname.
Estimated Living Americans
183
About 1 in 1,872,975 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
88.1% confidence
Average Age
19
years old
Peak Year
2006
20 births
Total Registered
185
since 1880
Gender Distribution for Semaja
Semaja is predominantly female (88.1%), though 22 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Semaja as a male name
Ranked #13,711 in 2015
5 male births in 2015
Peak: 2005 (6 births)
Semaja as a female name
Ranked #14,970 in 2021
6 female births in 2021
Peak: 2004 (15 births)
Semaja: Popularity Over Time
SSA records for Semaja span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2000s, when 122 babies were registered. Semaja has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Semaja by Decade
How has Semaja 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.
Semaja + Last Name Combinations
How many people share a full name with Semaja as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Semaja
Other first names starting with S with a similar number of bearers.
Semaja: Questions and Answers
How many people in the U.S. are named Semaja?
We estimate approximately 183 people named Semaja 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 1,872,975 Americans share this first name.
Is Semaja a common name?
Semaja is classified as "Very Rare" and is more popular than 73% of all first names in the SSA database. A total of 185 births have been registered with this name since 1880.
When was Semaja most popular?
Semaja reached peak popularity in 2006, when 20 babies were given this name. The average age of a living person named Semaja is approximately 19 years old, reflecting when the name was most commonly given.
Is Semaja a female name?
Semaja is predominantly female. 88.1% of people with this name are female. See the gender breakdown above for full details.
How many Semaja Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Semaja Smith, Semaja Johnson, Semaja 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.
Search for a full name combination
How Many of Me