2000
#9,892
National surname rank
Recorded bearers 3,010
First available Census row
Per 100,000 1.12
Rare Last name
Mccully
A Scottish occupational surname referring to a person who lived near or worked at a barn or storehouse.
According to the 2020 US Census Bureau surname tables, roughly 3,426 Americans carry the last name Mccully. That puts it at #10,263 in the national surname ranking, appearing at a frequency of 1.00 per 100,000 people (about 1 in 100,045 residents).
This page is the full Name Census profile for the Mccully 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 Mccully with 1881 census detail, origin facts and modern UK distribution where available.
Bearers in the US
3.4K
1 in 100,045
Census rank
#10,263
2020 decennial data
Per 100,000
1.0
Frequency rate
Recorded bearers
3.0K
rare in the US
Popularity narrative
The Census Bureau recorded 2,988 bearers of the surname Mccully in its 2020 decennial surname file. At a rate of 1.00 per 100,000 residents, it holds the 10263rd position in the national surname ranking.
Among Census respondents with the surname Mccully, the largest self-reported group is White at 84.8%. The next largest groups are Black (7.0%) and Two or More Races (5.0%).
Origin
Meaning and origin of Mccully
The surname McCully is of Irish and Scottish origin, derived from the Gaelic MacCuill, meaning "son of Cull." Cull is a personal name derived from the Latin word "cultus," meaning "cultivated" or "refined."
The earliest recorded instances of the McCully surname can be traced back to the late 16th century in County Antrim, Northern Ireland. It is believed that the name originated in the Scottish Highlands and was brought to Ireland during the Plantation of Ulster in the 17th century.
In the Annals of the Four Masters, a chronicle of medieval Irish history, there is a reference to a "Muireadhach Mac Cuill" in the year 1159. This suggests that the name has roots dating back to the 12th century in Ireland.
The McCully surname is also found in various Scottish records, such as the Exchequer Rolls of Scotland from the 14th century, where it appears as "MacCullie" and "MacCuill." This indicates that the name was present in both Ireland and Scotland during the medieval period.
Notable historical figures with the surname McCully include:
1. Robert McCully (1859-1940), an Irish-American architect best known for designing several buildings in Spokane, Washington.
2. Sir George McCully (1848-1925), a Canadian politician and lawyer who served as the Minister of the Interior and Superintendent-General of Indian Affairs in the late 19th century.
3. James McCully (1789-1857), an Irish-born Presbyterian minister who played a significant role in the establishment of the Free Church of Nova Scotia in Canada.
4. John McCully (1737-1808), an Irish-born soldier who served in the American Revolutionary War and was granted land in Nova Scotia for his service.
5. Alexander McCully (1811-1877), a Scottish-born merchant and politician who served as a member of the Legislative Assembly of New Brunswick, Canada.
The McCully surname has also been associated with various place names, such as McCully's Lot in Nova Scotia, Canada, which was named after an early settler with the surname. Additionally, there are variations in spelling, including McCullie, McCulley, and McCullie, which further illustrate the name's diverse origins and evolution over time.
Demographics
Ancestry and ethnicity for Mccully
Among Census respondents with the surname Mccully, the largest self-reported group is White at 84.8%. The next largest groups are Black (7.0%) and Two or More Races (5.0%).
The bar chart below shows how Mccully 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 Mccully surname at the time of the 2020 Census, not any inherent property of the name itself.
- White84.8% · 2,535
- Black or African American7.0% · 210
- Two or more races5.0% · 149
- Hispanic or Latino1.8% · 55
- American Indian and Alaska Native0.7% · 20
- Asian and Pacific Islander0.6% · 19
Timeline
Historical Census data for Mccully
Mccully 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.
2010
#9,919
National surname rank
Recorded bearers 3,256
+246 bearers (+8.2%)
Per 100,000 1.10
Rank movement Down 27 places
2020
#10,263
National surname rank
Recorded bearers 2,988
-268 bearers (-8.2%)
Per 100,000 1.00
Rank movement Down 344 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #9,892 | 3,010 | 1.12 | First available Census row | First available Census row |
| 2010 | #9,919 | 3,256 | 1.10 | +246 bearers (+8.2%) | Down 27 places |
| 2020 | #10,263 | 2,988 | 1.00 | -268 bearers (-8.2%) | Down 344 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
2010 vs 2020 Census
How has the Mccully surname changed between Census years? The chart shows bearer count side by side, and the table compares rank, count, and frequency.
Census year comparison
20102020
| Metric | 2010 | 2020 | Change |
|---|---|---|---|
| Rank | #9,919 | #10,263 | -3.5% |
| Count | 3,256 | 2,988 | -8.2% |
| Per 100K | 1.10 | 1.00 | -9.1% |
Between the 2010 and 2020 Census, the number of Mccully bearers went from 3,256 to 2,988 (-8.2% change). The surname moved down 344 positions in the national ranking, going from #9,919 to #10,263.
FAQ
Mccully surname: questions and answers
How many people in the U.S. have the surname Mccully?
Name Census estimates that about 3,426 living Americans carry the surname Mccully. Using the current population baseline, that works out to roughly 1 in 100,045 residents.
How common is Mccully?
Mccully ranks #10,263 in the 2020 Census surname tables and is classified on this site as "Rare." The Census recorded the name at a frequency of 1.00 per 100,000 residents, which is about 1 people out of every 100,000.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 2,988 people with the surname Mccully. That is different from the site's living-bearer estimate (3,426), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 1 per 100,000 actually mean?
It is the Census Bureau's normalized frequency measure. A rate of 1.00 per 100,000 means that if you picked a random group of 100,000 U.S. residents, you would expect about 1 of them to have the surname Mccully.
Has Mccully become more or less common over time?
Between 2010 and 2020, the surname Mccully went from 3,256 recorded bearers to 2,988. That is a decrease of 268 (-8.2%). In the national ranking it fell from #9,919 to #10,263.
What does the Census say about the background of Mccully?
Among Census respondents with the surname Mccully, the largest self-reported group is White at 84.8%. The next largest groups are Black (7.0%) and Two or More Races (5.0%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Which group reports this surname most often?
White is the largest self-reported group for the surname Mccully in the 2020 Census, accounting for 84.8% (2,535 people in the source table).
What is the full ancestry breakdown?
Mccully appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (84.8%), Black (7.0%), Two or More Races (5.0%). 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.
Is this page using the latest Census data?
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 Mccully (2000, 2010, 2020).
Does the Census include every surname?
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.
Why don't the ancestry percentages always add up to exactly 100%?
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.
What does Mccully mean?
A Scottish occupational surname referring to a person who lived near or worked at a barn or storehouse. The fuller origin note on this page goes into more detail.
Where does the surname data come from?
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.
How does Name Census estimate living bearers?
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 Mccully (1.00 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
How common is the surname Mccully?
If you just want to know how many people have the surname Mccully, HowManyOfMe.org gives you the headline number in one glance.