2000
#124,872
National surname rank
First available Census row
A Scottish surname derived from a place name referring to a valley or hollow.
According to the 2020 US Census Bureau surname tables, roughly 131 Americans carry the last name Haldy. 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 Haldy 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 Haldy 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 Haldy, the largest self-reported group is White at 86.0%. The next largest groups are Two or More Races (7.0%) and Asian/Pacific Islander (2.6%).
Origin
The surname Haldy has its origins in the German language, tracing back to the medieval period, around the 12th century. It is believed to have emerged from the northern regions of Germany, particularly in the areas of Westphalia and Lower Saxony.
The name Haldy is thought to be derived from the Old German word "halb," meaning "half" or "partial." This could suggest that the name originally referred to someone who lived on a partial or shared piece of land, or perhaps an individual who held a partial occupation or position.
One of the earliest recorded references to the name Haldy can be found in the Codex Diplomaticus, a collection of medieval charters and records from the region of Westphalia, dating back to the late 13th century. The name appears as "Haldy" in these documents, indicating its long-standing presence in the area.
During the 14th century, the name Haldy began to spread across other parts of Germany, with records showing individuals bearing this surname in cities like Hamburg and Bremen. It is also worth noting that the name underwent slight variations in spelling, such as "Haldie" and "Haldey," due to regional dialects and scribal practices of the time.
One notable figure with the surname Haldy was Hans Haldy, a German merchant and trader who lived in the city of Lübeck in the late 15th century. Records indicate that he was involved in the lucrative trade of Baltic goods, particularly timber and grain, which made him a prominent figure in the city's mercantile circles.
Another individual of historical significance was Johann Haldy, a Lutheran theologian and scholar who lived in the 16th century. Born in 1525 in the town of Hildesheim, Haldy played a significant role in the Protestant Reformation, contributing to the translation of religious texts and engaging in theological debates with Catholic scholars.
In the 17th century, the Haldy name gained recognition through the figure of Wilhelm Haldy, a German painter and engraver from Nuremberg. His works, which included religious paintings and intricate engravings, were widely celebrated during his lifetime and can still be found in various art collections across Europe.
Moving into the 18th century, the Haldy surname was represented by Friedrich Haldy, a German composer and organist who lived in the city of Leipzig. His compositions, primarily for organ and church choirs, were highly regarded and contributed to the rich musical tradition of the region.
Lastly, in the 19th century, there was Karl Haldy, a German geographer and explorer who made significant contributions to the study of the Arctic regions. His expeditions and detailed accounts of the Arctic landscape and its peoples were groundbreaking at the time and helped to further our understanding of these remote areas.
Demographics
Among Census respondents with the surname Haldy, the largest self-reported group is White at 86.0%. The next largest groups are Two or More Races (7.0%) and Asian/Pacific Islander (2.6%).
The bar chart below shows how Haldy 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 Haldy surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Haldy 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
-12 bearers (-9.4%)
2020
National surname rank
-1 bearers (-0.9%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2000 | #124,872 | 127 | 0.05 | First available Census row | First available Census row |
| 2010 | #144,141 | 115 | 0.04 | -12 bearers (-9.4%) | Down 19,269 places |
| 2020 | #146,495 | 114 | 0.04 | -1 bearers (-0.9%) | Down 2,354 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 Haldy 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 | #144,141 | #146,495 | -1.6% |
| Count | 115 | 114 | -0.9% |
| Per 100K | 0.04 | 0.04 | -4.6% |
Between the 2010 and 2020 Census, the number of Haldy bearers went from 115 to 114 (-0.9% change). The surname moved down 2,354 positions in the national ranking, going from #144,141 to #146,495.
FAQ
Name Census estimates that about 131 living Americans carry the surname Haldy. Using the current population baseline, that works out to roughly 1 in 2,616,445 residents.
Haldy 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.
The raw 2020 Census file counted 114 people with the surname Haldy. 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.
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 Haldy.
Between 2010 and 2020, the surname Haldy went from 115 recorded bearers to 114. That is a decrease of 1 (-0.9%). In the national ranking it fell from #144,141 to #146,495.
Among Census respondents with the surname Haldy, the largest self-reported group is White at 86.0%. The next largest groups are Two or More Races (7.0%) and Asian/Pacific Islander (2.6%). 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 Haldy in the 2020 Census, accounting for 86.0% (98 people in the source table).
Haldy appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are White (86.0%), Two or More Races (7.0%), Asian/Pacific Islander (2.6%). 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 Haldy (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 Scottish surname derived from a place name referring to a valley or hollow. 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 Haldy (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.
HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.