Tacy
A feminine diminutive form of Tacie meaning bright or brilliant.
Name Census estimates that about 645 living Americans carry the first name Tacy. The name is used almost exclusively for girls. The average person named Tacy today is around 48 years old, and the year with the single highest number of Tacy births was 1969 (28 babies).
This page is the full Name Census profile for Tacy. 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
645
~ 1 in 531,402 Americans
Peak year
1969
28 babies that year
Average age
48
years old
2016 SSA rank
#18,583
Tracked since 1884
Popularity
Tacy: popularity over time
The SSA tracks Tacy from the 1880s through to the 2010s, spanning 13 decades of birth certificate data. The biggest single decade for the name was the 1960s, with 164 total registrations. Usage has dropped considerably from its 1960s peak. The most recent decade brought in only a fraction of the registrations that the name once attracted.
Babies born per year
Decades
Tacy 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 Tacy during that decade, along with a combined total. This is useful for spotting eras where the name surged or retreated.
Geography
Where Tacys live
Origin
Meaning and history of Tacy
The given name Tacy has its origins in the Old English language, dating back to the Anglo-Saxon period in Britain. It is believed to have derived from the Old English word "tæcc," which means "covenant" or "pledge." The name was initially spelled as "Tacia" or "Taecci" in ancient records.
One of the earliest known references to the name Tacy can be found in the Domesday Book, a comprehensive record of landholdings and estates compiled in 1086 on the orders of William the Conqueror. This historical document mentions a woman named Tacia, who was a landowner in the county of Essex.
During the Middle Ages, the name Tacy was relatively uncommon but held a significant meaning, as it symbolized a person's commitment to upholding their word or promise. In the 12th century, there was a notable figure named Tacy de Loges, a French noblewoman who was known for her involvement in the Crusades.
In the 16th century, a woman named Tacy Coverley gained recognition for her role in the English Reformation. She was a staunch supporter of the Protestant movement and actively participated in distributing Protestant literature, risking her life during a time of religious persecution.
Another historical figure bearing the name Tacy was Tacy Causton, an English Puritan woman born in 1592. She is renowned for being one of the first settlers of the Massachusetts Bay Colony, arriving in 1630 and contributing to the establishment of the town of Roxbury.
In the 18th century, Tacy Hubbard (1742-1820) was a prominent American Revolutionary War heroine. She played a crucial role in the war efforts, acting as a spy and providing intelligence to the Continental Army. Her bravery and dedication earned her recognition as a patriot.
While the name Tacy has been relatively uncommon throughout history, it has maintained a unique and meaningful connection to its Old English roots, representing the virtues of commitment, loyalty, and keeping one's word.
People
Tacy + last name combinations
How many people share a full name with Tacy as the first name? Click a combination below to see the estimate, or search any pairing.
Related
Other names starting with T
Other first names starting with T with a similar number of bearers.
FAQ
Tacy: questions and answers
How many people in the U.S. are named Tacy?
Name Census puts the figure at roughly 645 living Americans. We arrive at this by taking every SSA birth registration for Tacy 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 531,402 US residents.
Is Tacy a common name?
We classify Tacy as "Very Rare". It ranks above 86.9% of all first names in the SSA dataset by living bearers. Across the full history of the data, 797 babies have been registered with this name.
When was Tacy most popular?
The single biggest year for Tacy was 1969, when 28 babies received the name. The fact that the average living Tacy is about 48 years old gives you a rough sense of which era contributed the most bearers who are still alive today.
Is Tacy a female name?
Yes, 100.0% of people registered as Tacy 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.
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.