2000
#128,797
National surname rank
Recorded bearers 122
First available Census row
Per 100,000 0.05
Very Rare Last name
Henchy
A surname derived from a habitational name for someone from Henchy in France.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Henchy. That puts it at #146,495 in the national surname ranking, appearing at a frequency of 0.04 per 100,000 people (about 1 in 2,616,445 residents).
This page is the full Name Census profile for the Henchy 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.
Bearers in the US
131
1 in 2,616,445
Census rank
#146,495
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
114
very rare in the US
Popularity narrative
The Census Bureau recorded 114 bearers of the surname Henchy in its 2020 decennial surname file. At a rate of 0.04 per 100,000 residents, it holds the 146495th position in the national surname ranking.
Among Census respondents with the surname Henchy, the largest self-reported group is White at 97.4%. The next largest groups are Two or More Races (1.8%) and Hispanic (0.9%).
Origin
Meaning and origin of Henchy
The surname Henchy is of Irish origin, with its roots tracing back to the ancient Gaelic clan of Ó hEanchaidh, which translates to "descendant of Eancha." The name is derived from the Old Irish personal name Eancha, which means "vigorous" or "hardy." This surname is primarily found in the counties of Tipperary, Cork, and Limerick.
One of the earliest recorded mentions of the Henchy name can be found in the Annals of the Four Masters, a chronicle of medieval Irish history. In the year 1224, the annals mention a Turlough O'Henchy who was a chieftain of the Muscry territory in County Cork.
During the 16th century, the Henchy clan played a significant role in the Desmond Rebellions, a series of uprisings against English rule in Munster. In 1583, Sir George Carew, the Lord President of Munster, recorded the names of leading Irish families, including the Henchys, who were described as "a family of good account in the county of Tipperary."
In the 17th century, the Henchy name appeared in various records, including the Petty Census of 1659, which listed several Henchy families in County Cork. One notable individual from this time was Donough Henchy, a landowner in County Tipperary, who was granted a pardon for his involvement in the Irish Rebellion of 1641.
The 18th century saw the birth of John Henchy (1736-1812), a prominent Catholic merchant and landowner in County Limerick. He was instrumental in establishing the town of Rathkeale and was known for his philanthropy and support of Catholic education.
In the 19th century, Denis Henchy (1821-1895) was a Irish Nationalist and Member of Parliament for County Tipperary. He played a prominent role in the Home Rule movement and advocated for land reform and tenant rights.
Another notable figure was John Henchy (1858-1926), a Christian Brother and educator who served as the Superior General of the Irish Christian Brothers from 1912 to 1926. He was responsible for expanding the order's educational institutions throughout Ireland and abroad.
Throughout its history, the Henchy surname has been associated with various place names in Ireland, such as Henchystown and Henchysland, reflecting the clan's historical presence and influence in certain regions.
Demographics
Ancestry and ethnicity for Henchy
Among Census respondents with the surname Henchy, the largest self-reported group is White at 97.4%. The next largest groups are Two or More Races (1.8%) and Hispanic (0.9%).
The bar chart below shows how Henchy 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 Henchy surname at the time of the 2020 Census, not any inherent property of the name itself.
- White97.4% · 111
- Two or more races1.8% · 2
- Hispanic or Latino0.9% · 1
Timeline
Historical Census data for Henchy
Henchy 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
#124,548
National surname rank
Recorded bearers 138
+16 bearers (+13.1%)
Per 100,000 0.05
Rank movement Up 4,249 places
2020
#146,495
National surname rank
Recorded bearers 114
-24 bearers (-17.4%)
Per 100,000 0.04
Rank movement Down 21,947 places
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #128,797 | 122 | 0.05 | First available Census row | First available Census row |
| 2010 | #124,548 | 138 | 0.05 | +16 bearers (+13.1%) | Up 4,249 places |
| 2020 | #146,495 | 114 | 0.04 | -24 bearers (-17.4%) | Down 21,947 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 Henchy 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 | #124,548 | #146,495 | -17.6% |
| Count | 138 | 114 | -17.4% |
| Per 100K | 0.05 | 0.04 | -23.7% |
Between the 2010 and 2020 Census, the number of Henchy bearers went from 138 to 114 (-17.4% change). The surname moved down 21,947 positions in the national ranking, going from #124,548 to #146,495.
FAQ
Henchy surname: questions and answers
How many people in the U.S. have the surname Henchy?
Name Census estimates that about 131 living Americans carry the surname Henchy. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
How common is Henchy?
Henchy ranks #146,495 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.
How many people with this surname were counted in the Census?
The raw 2020 Census file counted 114 people with the surname Henchy. That is different from the site's living-bearer estimate (131), which projects the surname's present-day count by applying the Census frequency rate to the current U.S. population.
What does 0.04 per 100,000 actually mean?
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 Henchy.
Has Henchy become more or less common over time?
Between 2010 and 2020, the surname Henchy went from 138 recorded bearers to 114. That is a decrease of 24 (-17.4%). In the national ranking it fell from #124,548 to #146,495.
What does the Census say about the background of Henchy?
Among Census respondents with the surname Henchy, the largest self-reported group is White at 97.4%. The next largest groups are Two or More Races (1.8%) and Hispanic (0.9%). 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 Henchy in the 2020 Census, accounting for 97.4% (111 people in the source table).
What is the full ancestry breakdown?
Henchy appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (97.4%), Two or More Races (1.8%), Hispanic (0.9%). 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 Henchy (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 Henchy mean?
A surname derived from a habitational name for someone from Henchy in France. 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 Henchy (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.
How common is the surname Henchy?
See how many people have the last name Henchy on HowManyOfMe.org, our sister site built around that single question.