How Many People Are Named Sinead Oconnor?
There are approximately 1 people named Sinead Oconnor living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Sinead with Census Bureau frequency data for the surname Oconnor. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileSinead
Last Name
View full profileOconnor
Sinead: Popularity Over Time
Year-by-year SSA birth registrations for the first name Sinead. The peak year was 1990 with 160 births. The average person named Sinead today is 29 years old.
Ancestry of the Oconnor Surname
Self-reported race and ethnicity breakdown for people with the surname Oconnor, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Sinead" 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 "Oconnor" appears at a rate of 26.42 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people with the surname Oconnor
Sinead Oconnor: Questions and Answers
How many people are named Sinead Oconnor?
We estimate approximately 1 people named Sinead Oconnor are alive in the United States today. The first name Sinead is shared by 1,286 Americans, and the surname Oconnor is shared by 88,743.
How rare is the name Sinead Oconnor?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Sinead is rare and the surname Oconnor is uncommon.
Is Sinead a male or female name?
Sinead is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1990 and the average bearer today is 29 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.
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