How Many People Are Named Shellsea?
An estimated 124 people in the United States have the first name Shellsea. It is almost exclusively a female name. The average bearer is 26 years old, and Shellsea peaked in popularity in 1998 with 13 births that year.
Below you will find a full statistical profile of Shellsea 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 Shellsea paired with any surname.
Estimated Living Americans
124
About 1 in 2,764,148 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
26
years old
Peak Year
1998
13 births
Total Registered
127
since 1880
Gender Distribution for Shellsea
Shellsea is almost exclusively a female name. Out of 127 total births registered, 100.0% were female.
Shellsea as a female name
Ranked #19,421 in 2010
5 female births in 2010
Peak: 1998 (13 births)
Shellsea: Popularity Over Time
SSA records for Shellsea span from the 1980s to the 2010s, covering 4 decades of naming data. The most popular decade for this name was the 1990s, when 64 babies were registered. Shellsea has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Shellsea by Decade
How has Shellsea 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.
Shellsea by State
Shellsea + Last Name Combinations
How many people share a full name with Shellsea as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Shellsea
Other first names starting with S with a similar number of bearers.
Shellsea: Questions and Answers
How many people in the U.S. are named Shellsea?
We estimate approximately 124 people named Shellsea 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 2,764,148 Americans share this first name.
Is Shellsea a common name?
Shellsea is classified as "Very Rare" and is more popular than 67.6% of all first names in the SSA database. A total of 127 births have been registered with this name since 1880.
When was Shellsea most popular?
Shellsea reached peak popularity in 1998, when 13 babies were given this name. The average age of a living person named Shellsea is approximately 26 years old, reflecting when the name was most commonly given.
Is Shellsea a female name?
Shellsea is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Shellsea Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Shellsea Smith, Shellsea Johnson, Shellsea 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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