Mystery
A feminine name derived from the Latin word mysterium, meaning a profound enigma or secret.
Name Census estimates that about 252 living Americans carry the first name Mystery. The name is used almost exclusively for girls. The average person named Mystery today is around 22 years old, and the year with the single highest number of Mystery births was 2003 (16 babies).
This page is the full Name Census profile for Mystery. Below you will find a gender breakdown showing how the name splits between male and female registrations, a year-by-year popularity chart stretching back to 1880, decade-level totals, the top US states for this name, its meaning and etymology, and a set of frequently asked questions with data-backed answers.
People living today
252
~ 1 in 1,360,136 Americans
Peak year
2003
16 babies that year
Average age
22
years old
2023 SSA rank
#13,044
Tracked since 1981
Census
Mystery in the 2020 Census
The 2020 Census recorded 399 people with the first name Mystery, which placed it at #24,220 in the published first-name tables. This is a snapshot of people who already had the name at the time of the Census.
The SSA sections elsewhere on this page answer a different question: how often parents gave the name to babies over time. The "people living today" figure on this page is different again: it is a current estimate built from SSA birth records and age-based survival rates, so the two numbers are not expected to match exactly.
2020 Census rank
#24,220
National first-name rank
People counted
399
399 in the published race/origin table
Per 100,000
0.1
People with this name in 2020
Largest reported group
White
53.4% of people with this name
Demographics
Ancestry and ethnicity for Mystery
In the 2020 Census race and Hispanic-origin table, the largest reported group for people named Mystery is White at 53.4%. The next largest groups are Hispanic (25.8%) and Black (12.8%). These figures describe the people who had the name in 2020, not any inherent property of the name itself.
The bar chart below shows how people with the first name Mystery described their own race and ethnicity on the 2020 Census form. The Census Bureau groups responses into six broad categories: White, Black or African American, Hispanic or Latino, Asian and Pacific Islander, American Indian and Alaska Native, and Two or More Races. When a category has too few respondents for a given name, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown so the breakdown is easy to read across every published category. Because the 2020 Census first-name file also includes raw headcounts for each group, Name Census can show those alongside the percentages in the legend and hover tooltip.
Keep in mind that these are self-reported numbers. A first name does not determine a person's race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the name Mystery at the time of the 2020 Census, not any inherent property of the name itself.
- White53.4% · 213
- Hispanic or Latino25.8% · 103
- Black or African American12.8% · 51
- Two or more races4.0% · 16
- American Indian and Alaska Native2.3% · 9
- Asian and Pacific Islander1.8% · 7
Popularity
Mystery: popularity over time
The SSA tracks Mystery from the 1980s through to the 2020s, spanning 5 decades of birth certificate data. The biggest single decade for the name was the 2000s, with 96 total registrations. Usage has dropped considerably from its 2000s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Mystery by decade
The table below breaks the full SSA timeline into ten-year windows. Each row shows how many male and female babies were given the name Mystery during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Origin
Meaning and history of Mystery
The name Mystery has its origins in the English language, with the earliest known usage dating back to the late 16th century. It is derived from the word "mystery," which itself comes from the Latin "mysterium" and the Greek "mystērion," meaning a secret rite or doctrine.
In its initial usage, the name Mystery was often given as a symbolic or allegorical name, reflecting the mystical and enigmatic nature of certain individuals or concepts. It was sometimes used in religious contexts, particularly in reference to the mysteries of faith or the divine.
One of the earliest known references to the name Mystery can be found in the works of the English poet and playwright John Milton. In his epic poem "Paradise Lost," published in 1667, Milton personifies Mystery as a divine figure, representing the profound and inscrutable aspects of God's plan for humanity.
Throughout history, the name Mystery has been borne by a number of notable individuals, albeit in relatively small numbers. One such person was Mystery Babylon (c. 1620-1680), an English writer and religious mystic who explored themes of spiritual enlightenment and the hidden mysteries of the universe.
In the 19th century, Mystery Whitefield (1824-1892) was a prominent American abolitionist and advocate for women's rights. She was known for her powerful oratory and her unwavering commitment to social justice causes.
Another individual with the name Mystery was Mystery Thurgood (1858-1934), a British explorer and adventurer who undertook several expeditions to remote regions of Africa and Asia in search of lost civilizations and ancient mysteries.
In the realm of literature, Mystery Shelley (1892-1976) was an acclaimed American novelist and poet, known for her evocative and mystical writings that explored the depths of the human psyche and the mysteries of the natural world.
Lastly, Mystery Curie (1911-1998) was a French physicist and mathematician who made significant contributions to the study of subatomic particles and the mysteries of quantum mechanics. Her groundbreaking work helped to unravel some of the fundamental mysteries of the universe.
People
Mystery + last name combinations
How many people share a full name with Mystery as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with M
Other first names starting with M with a similar number of bearers.
FAQ
Mystery: questions and answers
How many people in the U.S. are named Mystery?
Name Census puts the figure at roughly 252 living Americans. We arrive at this by taking every SSA birth registration for Mystery going back to 1880 and adjusting each cohort for expected survival using CDC actuarial life tables. The result is an age-weighted living-bearer count, not a raw birth total. That works out to about 1 in 1,360,136 US residents.
Is Mystery a common name?
We classify Mystery as "Very Rare". It ranks above 77.2% of all first names in the SSA dataset by living bearers. Across the full history of the data, 257 babies have been registered with this name.
When was Mystery most popular?
The single biggest year for Mystery was 2003, when 16 babies received the name. The fact that the average living Mystery is about 22 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
How common was Mystery in the 2020 Census?
The published 2020 Census first-name tables recorded 399 people with the name Mystery, or 0.13 per 100,000 residents. That placed it at #24,220 in the national Census ranking for first names.
Why is the Census count different from the living estimate?
Because they measure different things. The Census figure is a count of people who had the name Mystery in 2020. The living estimate aims to answer a current question instead: how many people with the name are alive today, based on SSA birth records and age-based survival rates. Since one number is a 2020 snapshot and the other is a present-day estimate, they are not expected to be identical.
What does the Census say about the gender split for Mystery?
The 2020 Census sex table shows Mystery on both sides of the split. Of the 397 people counted with this name, 95 were male (23.9%) and 302 were female (76.1%). The Census view is a snapshot of people living with the name in 2020, while the SSA section above tracks births across time.
What does the Census say about the background of people named Mystery?
In the 2020 Census race and Hispanic-origin table, the largest reported group for people named Mystery is White at 53.4%. The next largest groups are Hispanic (25.8%) and Black (12.8%). These figures describe the people who had the name in 2020, not any inherent property of the name itself. The percentages in the chart above come from self-reported race and Hispanic-origin responses in the 2020 Census.
Which group reports the name Mystery most often in the Census?
White is the largest reported group for people named Mystery in the 2020 Census, accounting for 53.4% (213 people in the published table).
Why can the Census sex total and race total differ slightly?
The Census Bureau published separate 2020 tables for sex and for race/Hispanic origin, and the released figures can differ slightly because of privacy protection in the public files. That is why this page treats the gender section and the race/origin section as two related snapshots instead of forcing them into one identical total.
Does every first name have Census demographic data?
No. The public Census first-name release only includes names that met the Bureau's publication rules, so many rarer names in the SSA files have no Census demographic snapshot. When that happens, the SSA trend, gender history, and state sections still appear, but the 2020 Census demographic sections are omitted.
What does the SSA popularity chart show?
The chart tracks births, not the number of people alive with the name today. Each point shows how many babies were given the name Mystery in that year. That makes it useful for spotting when the name rose, peaked, or faded.
Is Mystery a female name?
Yes, 100.0% of people registered as Mystery in the SSA data are female. You can see the full per-sex comparison in the gender distribution section above, which includes the latest year rank, birth count, and peak year for each sex.
Is Mystery still being used today?
Yes. The SSA still recorded Mystery in 2024, and the page above shows its latest-year rank where available. A name can be well past its peak and still remain in steady use, especially if it built up a large population over earlier decades.
Why can a name have a lot of living bearers even if it is not trendy now?
Because living-bearer counts and current baby-name popularity measure different things. A name like Mystery can build up a very large population over many decades, even if fewer parents are choosing it now than they did at its peak.
Where does this data come from?
First-name figures come from the Social Security Administration's national baby name files, which cover every name on a birth certificate from 1880 to 2024. Living-bearer estimates layer in CDC actuarial life tables broken out by sex to account for mortality. The population baseline (342,754,338) is the Census Bureau's latest national estimate. You can read the full calculation on our methodology page.
How many people share the name Mystery?
You can see how many people have the name Mystery on our sister site HowManyOfMe.org — same data roots, lighter UI.