2000
#5,848
National surname rank
First available Census row
Derived from a place name meaning "a meadow or clearing on a bank or ledge" in Old English.
According to the 2020 US Census Bureau surname tables, roughly 5,419 Americans carry the last name Shelly. That puts it at #6,852 in the national surname ranking, appearing at a frequency of 1.58 per 100,000 people (about 1 in 63,250 residents).
This page is the full Name Census profile for the Shelly 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 Shelly with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
5.4K
1 in 63,250
Census rank
#6,852
2020 decennial data
Per 100,000
1.6
Frequency rate
Recorded bearers
4.7K
rare in the US
Popularity narrative
The Census Bureau recorded 4,726 bearers of the surname Shelly in its 2020 decennial surname file. At a rate of 1.58 per 100,000 residents, it holds the 6852nd position in the national surname ranking.
Among Census respondents with the surname Shelly, the largest self-reported group is White at 75.7%. The next largest groups are Black (14.2%) and Two or More Races (4.0%).
Origin
The surname Shelly is of English origin, derived from the Old English word "scylf," meaning a shelf or ledge. It is believed to have originated as a topographic name, referring to someone who lived near a cliff or rocky outcrop.
One of the earliest recorded instances of the surname can be found in the Domesday Book of 1086, where it appears as "de Schelfe." This entry suggests that the name was already well-established in England by the late 11th century.
During the Middle Ages, the name was commonly spelled in various ways, including Shelly, Shelley, Shellie, and Schellie. These variations reflected regional dialects and the inconsistent spelling practices of the time.
The surname Shelly was particularly prevalent in the county of Sussex, where it was often associated with specific place names, such as Shelly Hill and Shelly Beach. These locations likely contributed to the widespread adoption of the surname in the area.
One notable figure with the surname Shelly was Sir John Shelly (1518-1550), a prominent landowner and member of the English gentry. He served as a Member of Parliament for Sussex during the reign of King Henry VIII.
Another historical figure was Percy Bysshe Shelley (1792-1822), the renowned English Romantic poet. Although his surname was spelled slightly differently, he is considered one of the greatest lyric poets of the 19th century.
In the 16th century, William Shelly (1556-1630) was a prominent English theologian and author. He served as the Dean of St. Paul's Cathedral in London and wrote several influential works on religious topics.
Mary Wollstonecraft Shelley (1797-1851), the author of the iconic novel "Frankenstein," was born Mary Wollstonecraft and took her husband's surname after marrying Percy Bysshe Shelley.
Another notable bearer of the surname was Richard Shelly (1840-1920), an American businessman and industrialist who founded the Shelly Knitting Mills, one of the largest textile companies in the United States at the time.
Throughout its history, the surname Shelly has been closely associated with England, particularly the southern counties. Its origins can be traced back to the Old English language, and it has been carried by numerous notable individuals across various fields.
Demographics
Among Census respondents with the surname Shelly, the largest self-reported group is White at 75.7%. The next largest groups are Black (14.2%) and Two or More Races (4.0%).
The bar chart below shows how Shelly 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 Shelly surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Shelly 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
-288 bearers (-5.3%)
2020
National surname rank
-408 bearers (-7.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #5,848 | 5,422 | 2.01 | First available Census row | First available Census row |
| 2010 | #6,598 | 5,134 | 1.74 | -288 bearers (-5.3%) | Down 750 places |
| 2020 | #6,852 | 4,726 | 1.58 | -408 bearers (-7.9%) | Down 254 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 Shelly 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 | #6,598 | #6,852 | -3.8% |
| Count | 5,134 | 4,726 | -7.9% |
| Per 100K | 1.74 | 1.58 | -9.1% |
Between the 2010 and 2020 Census, the number of Shelly bearers went from 5,134 to 4,726 (-7.9% change). The surname moved down 254 positions in the national ranking, going from #6,598 to #6,852.
FAQ
Name Census estimates that about 5,419 living Americans carry the surname Shelly. Using the current population baseline, that works out to roughly 1 in 63,250 residents.
Shelly ranks #6,852 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.58 per 100,000 residents, which is about 2 people out of every 100,000.
The raw 2020 Census file counted 4,726 people with the surname Shelly. That is different from the site's living-bearer estimate (5,419), 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 1.58 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 2 of them to have the surname Shelly.
Between 2010 and 2020, the surname Shelly went from 5,134 recorded bearers to 4,726. That is a decrease of 408 (-7.9%). In the national ranking it fell from #6,598 to #6,852.
Among Census respondents with the surname Shelly, the largest self-reported group is White at 75.7%. The next largest groups are Black (14.2%) and Two or More Races (4.0%). 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 Shelly in the 2020 Census, accounting for 75.7% (3,576 people in the source table).
Shelly appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (75.7%), Black (14.2%), Two or More Races (4.0%). 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 Shelly (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.
Derived from a place name meaning "a meadow or clearing on a bank or ledge" in Old English. 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 Shelly (1.58 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
Our sister site HowManyOfMe.org answers how many people have the last name Shelly at a glance, with the living-bearer count up front.