Find out how popular the last name DeLacey is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named DeLacey.
One meaning is a surname transferred from an English place named from Norman French "de la(a)ssi" meaning "of the vent or vent hole".
DeLacey, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the DeLacey surname is from the 2010 census data.
DeLacey is the 75564th most popular name in America based on the data we have collected from the U.S. Census Bureau.
The DeLacey surname appeared 255 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname DeLacey.
We can also compare 2010 data for DeLacey to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.
2010 | 2000 | Change (%) | |
---|---|---|---|
Rank | 75564 | 74398 | 1.56% |
Count | 255 | 242 | 5.23% |
Proportion per 100k | 0.09 | 0.09 | 0.00% |
The surname Delacey is of English origin, with roots dating back to the 12th century. It is a locational name, derived from the Old French phrase "de la ce," meaning "from the well" or "from the spring." This suggests that the first bearers of this name lived near a notable well or spring.
The earliest recorded instances of the Delacey surname can be found in the Pipe Rolls of Staffordshire in 1199, where it appears as "de la Cee." Over time, the spelling evolved into Delacey, Delacy, and other variations.
One of the earliest notable individuals with this surname was Sir Hugh Delacey, a Norman knight who accompanied William the Conqueror during the Norman Conquest of England in 1066. He was granted lands in Lincolnshire and Leicestershire for his service.
In the 13th century, the Delacey family established themselves in Hertfordshire, where they held the manor of Folly John in the parish of Hitchin. Sir John Delacey, born around 1250, was a prominent member of this branch of the family.
The Delacey name is also associated with the village of Delancey in Normandy, France. It is believed that some members of the Delacey family may have originated from this area before migrating to England.
During the reign of King Edward III (1327-1377), a Sir William Delacey served as a member of the King's Council and held the position of Lord Privy Seal. He was also a renowned soldier and fought in the Battle of Crécy during the Hundred Years' War.
Another notable figure was Sir Ralph Delacey, born in 1420, who served as Lord Mayor of London in 1478. He was a wealthy merchant and philanthropist, known for his contributions to the city's infrastructure and charitable institutions.
In the 16th century, the Delacey family had a presence in Wiltshire, where they held the manor of Winterbourne Earls. Sir Edward Delacey, born in 1560, was a prominent member of this branch and served as a Member of Parliament for Wiltshire.
Throughout history, the Delacey surname has been borne by individuals from various walks of life, including knights, soldiers, politicians, merchants, and landowners. While the name may have evolved in spelling over the centuries, its roots can be traced back to the Old French phrase "de la ce," reflecting the family's connection to a well or spring in their ancestral homeland.
We also have some data on the ancestry of people with the surname DeLacey.
The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:
For the most recent 2010 census data, the race/ethnic origin breakdown for DeLacey was:
Race/Ethnicity | Percentage | Total Occurrences |
---|---|---|
Non-Hispanic White Only | 95.69% | 244 |
Non-Hispanic Black Only | (S)% | (S) |
Non-Hispanic Asian and Pacific Islander Only | (S)% | (S) |
Non-Hispanic American Indian and Alaskan Native | (S)% | (S) |
Non-Hispanic of Two or More Races | (S)% | (S) |
Hispanic Origin | (S)% | (S) |
Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.
Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of DeLacey has changed in the 10 years between the two census surveys.
2010 | 2000 | Change (%) | |
---|---|---|---|
White | 95.69% | 95.45% | 0.25% |
Black | (S)% | (S)% | (S)% |
Asian and Pacific Islander | (S)% | (S)% | (S)% |
American Indian and Alaskan Native | (S)% | (S)% | (S)% |
Two or More Races | (S)% | (S)% | (S)% |
Hispanic | (S)% | (S)% | (S)% |
The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.
The history and meaning of the name DeLacey was researched and written by our team of onomatology and genealogy experts.
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<a href="http://namecensus.com/last-names/delacey-surname-popularity/">DeLacey last name popularity, history, and meaning</a>
"DeLacey last name popularity, history, and meaning". NameCensus.com. Accessed on May 15, 2025. http://namecensus.com/last-names/delacey-surname-popularity/.
"DeLacey last name popularity, history, and meaning". NameCensus.com, http://namecensus.com/last-names/delacey-surname-popularity/. Accessed 15 May, 2025
DeLacey last name popularity, history, and meaning. NameCensus.com. Retrieved from http://namecensus.com/last-names/delacey-surname-popularity/.
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