2000
#115,489
National surname rank
First available Census row
A surname derived from an Old English word meaning "thong" or "cord" used for restraining animals.
According to the 2020 US Census Bureau surname tables, roughly 124 Americans carry the last name Leash. That puts it at #150,935 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,764,148 residents).
This page is the full Name Census profile for the Leash surname. You will find the Census Bureau frequency data, a multi-census history view, an ancestry and ethnicity breakdown based on self-reported demographics, the name's meaning and origin where available, and answers to the most common questions people ask about this surname.
For British records, Name Census UK has a British surname profile for Leash with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
124
1 in 2,764,148
Census rank
#150,935
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
108
very rare in the US
Popularity narrative
The Census Bureau recorded 108 bearers of the surname Leash in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 150935th position in the national surname ranking.
Among Census respondents with the surname Leash, the largest self-reported group is White at 87.0%. The next largest groups are American Indian/Alaska Native (4.6%) and Hispanic (2.8%).
Origin
The surname Leash originates from England and dates back to the late 12th century. It is derived from the Old English word "læs", meaning a pasture or meadow land. The name is believed to have evolved from an occupational descriptor for someone who worked on or lived near such grazing lands.
One of the earliest recorded instances of the Leash surname appears in the Pipe Rolls of Yorkshire in 1197, where a certain William de la Leche is mentioned. This early spelling variation highlights the name's connection to the Old English term for a grazing area.
In the 13th century, the Leash surname can be found in various records, including the Hundredorum Rolls of 1273, which list a Robertus de la Leche in Oxfordshire. The Testa de Nevill, an important survey of land holdings from 1219-1358, also references individuals with the Leash surname in various counties across England.
During the 14th century, the surname began to take on its more modern spelling of "Leash". The Poll Tax Returns of 1379 list a John atte Leche in Sussex, while the Calendarium Inquisitionum Post Mortem from 1399 mentions a Thomas Leche in Staffordshire.
Notable historical figures bearing the Leash surname include Sir John Leche (1509-1589), an English politician and Member of Parliament during the reigns of Edward VI and Elizabeth I. Another prominent individual was Sir Edward Leche (1590-1653), a Royalist commander during the English Civil War.
Other early examples of the Leash surname can be found in various records and documents, such as the Feet of Fines for Essex from 1429, which mentions a Thomas Leche, and the Lay Subsidy Rolls of 1524, which list a William Leche in Gloucestershire.
Throughout its history, the Leash surname has also been associated with several place names in England, such as Leche in Shropshire and Leach in Derbyshire, further reinforcing its connection to grazing lands and pastures.
Demographics
Among Census respondents with the surname Leash, the largest self-reported group is White at 87.0%. The next largest groups are American Indian/Alaska Native (4.6%) and Hispanic (2.8%).
The bar chart below shows how Leash bearers 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 surname, the Bureau suppresses the figure to protect individual privacy, which is why some names show fewer than six slices.
Percentages are shown for every Census year so the breakdown stays comparable over time. When the source file also includes raw headcounts, Name Census shows those alongside the percentages in the legend.
Keep in mind that these are self-reported numbers. A person's surname does not determine their race or ethnicity, and the distribution you see here reflects the specific population who happened to carry the Leash surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Leash appears in 3 published Census surname files: 2000, 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2000
National surname rank
First available Census row
2010
National surname rank
-7 bearers (-5.0%)
2020
National surname rank
-25 bearers (-18.8%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #115,489 | 140 | 0.05 | First available Census row | First available Census row |
| 2010 | #128,249 | 133 | 0.05 | -7 bearers (-5.0%) | Down 12,760 places |
| 2020 | #150,935 | 108 | 0.04 | -25 bearers (-18.8%) | Down 22,686 places |
For 2020, the Census Bureau published race and Hispanic-origin columns as counts rather than percentages. Name Census converts those counts back into shares so the ancestry section stays comparable with the older surname files.
Year on year
How has the Leash surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #128,249 | #150,935 | -17.7% |
| Count | 133 | 108 | -18.8% |
| Per 100K | 0.05 | 0.04 | -27.7% |
Between the 2010 and 2020 Census, the number of Leash bearers went from 133 to 108 (-18.8% change). The surname moved down 22,686 positions in the national ranking, going from #128,249 to #150,935.
FAQ
Name Census estimates that about 124 living Americans carry the surname Leash. Using the current population baseline, that works out to roughly 1 in 2,764,148 residents.
Leash ranks #150,935 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.04 per 100,000 residents, which is about 0 people out of every 100,000.
The raw 2020 Census file counted 108 people with the surname Leash. That is different from the site's living-bearer estimate (124), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
It is the Census Bureau's normalized frequency measure. A rate of 0.04 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 0 of them to have the surname Leash.
Between 2010 and 2020, the surname Leash went from 133 recorded bearers to 108. That is a decrease of 25 (-18.8%). In the national ranking it fell from #128,249 to #150,935.
Among Census respondents with the surname Leash, the largest self-reported group is White at 87.0%. The next largest groups are American Indian/Alaska Native (4.6%) and Hispanic (2.8%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
White is the largest self-reported group for the surname Leash in the 2020 Census, accounting for 87.0% (94 people in the source table).
Leash appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (87.0%), American Indian/Alaska Native (4.6%), Hispanic (2.8%). For 2020, the source file also published raw headcounts for each group, which is why this page can show both percentages and counts in the ancestry section.
Yes. This page is using the latest surname file currently loaded on Name Census, which is 2020. The historical section above also keeps any older Census surname entries we have for Leash (2000, 2010, 2020).
No. The Census Bureau only publishes surnames that appeared at least 100 times in a given decennial Census. That means very rare surnames are excluded entirely, and a surname can appear in one Census release but disappear from a later one if it falls below the reporting threshold.
There are two main reasons: rounding and suppression. The Census Bureau rounds published values, and it may suppress very small cells to protect privacy. For 2020, the Bureau also published raw group counts rather than direct percentages, so Name Census converts those counts back into shares for comparability across census years.
A surname derived from an Old English word meaning "thong" or "cord" used for restraining animals. The fuller origin note on this page goes into more detail.
All surname statistics on Name Census are drawn from the US Census Bureau's decennial surname frequency tables. These files list every surname that appeared 100 or more times in the 2020 Census, along with a count, a per-100,000 rate, and a self-reported demographic breakdown. You can read the full explanation on our methodology page.
For surnames, Name Census does not age cohorts the way it does for first names. Instead, it takes the Census Bureau's published frequency for Leash (0.04 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
If you just want to know how many people have the last name Leash, HowManyOfMe.org gives you the headline number in one glance.