2010
#152,628
National surname rank
First available Census row
A Tongan surname of uncertain origin and meaning.
According to the 2020 US Census Bureau surname tables, roughly 119 Americans carry the last name Hauanio. That puts it at #153,590 in the national surname ranking, appearing at a frequency of 0.03 per 100,000 people (about 1 in 2,880,289 residents).
This page is the full Name Census profile for the Hauanio 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
119
1 in 2,880,289
Census rank
#153,590
2020 decennial data
Per 100,000
0.0
Frequency rate
Recorded bearers
104
very rare in the US
Popularity narrative
The Census Bureau recorded 104 bearers of the surname Hauanio in its 2020 decennial surname file. At a rate of 0.03 per 100,000 residents, it holds the 153590th position in the national surname ranking.
Among Census respondents with the surname Hauanio, the largest self-reported group is Asian/Pacific Islander at 45.2%. The next largest groups are Two or More Races (27.9%) and White (14.4%).
Origin
The surname HAUANIO is believed to have originated in the Polynesian islands, specifically in the Hawaiian archipelago, during the 16th century. The name is derived from the Hawaiian words "hau," meaning "hibiscus," and "anio," meaning "wind," potentially referring to the wind-swept hibiscus flowers found in the region.
The earliest known records of the HAUANIO surname can be traced back to ancient Hawaiian chants and oral traditions, where it was often associated with individuals or families residing in the coastal areas of the islands. These early mentions suggest that the name may have held significance in the local culture and traditions.
One of the earliest recorded individuals with the HAUANIO surname was Kekuaokalani HAUANIO, a renowned navigator and voyager who lived in the late 17th century. He was renowned for his expertise in traditional Polynesian wayfinding techniques and is said to have made several long-distance voyages across the Pacific Ocean.
Another notable figure was Kalanikauleleiaiwi HAUANIO, a high-ranking chief who lived in the early 19th century on the island of Maui. He played a significant role in preserving traditional Hawaiian customs and practices during a period of rapid cultural change brought about by Western influence.
In the late 19th century, Kamehameha HAUANIO, a respected scholar and historian, dedicated his life to documenting the oral histories and genealogies of Hawaiian families. His work has been invaluable in preserving the cultural heritage of the Hawaiian people.
During the early 20th century, Liliuokalani HAUANIO, a renowned hula dancer and teacher, was instrumental in reviving and promoting the traditional Hawaiian art form. Her contributions helped ensure the preservation of hula for future generations.
More recently, Keoni HAUANIO, a prominent environmental activist and advocate for indigenous rights, has been at the forefront of efforts to protect sacred Hawaiian lands and preserve the island's natural resources for future generations.
While the HAUANIO surname may not be as widely known as some other Hawaiian surnames, its rich history and cultural significance in the islands have endured over the centuries, reflecting the deep-rooted traditions and resilience of the Hawaiian people.
Demographics
Among Census respondents with the surname Hauanio, the largest self-reported group is Asian/Pacific Islander at 45.2%. The next largest groups are Two or More Races (27.9%) and White (14.4%).
The bar chart below shows how Hauanio 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 Hauanio surname at the time of the 2020 Census, not any inherent property of the name itself.
Timeline
Hauanio appears in 2 published Census surname files: 2010, 2020. The cards below show how the name's rank and bearer count changed across each release.
2010
National surname rank
First available Census row
2020
National surname rank
-3 bearers (-2.8%)
| Year | Rank | Count | Per 100K | Count change | Rank change |
|---|---|---|---|---|---|
| 2010 | #152,628 | 107 | 0.04 | First available Census row | First available Census row |
| 2020 | #153,590 | 104 | 0.03 | -3 bearers (-2.8%) | Down 962 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 Hauanio 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 | #152,628 | #153,590 | -0.6% |
| Count | 107 | 104 | -2.8% |
| Per 100K | 0.04 | 0.03 | -13.0% |
Between the 2010 and 2020 Census, the number of Hauanio bearers went from 107 to 104 (-2.8% change). The surname moved down 962 positions in the national ranking, going from #152,628 to #153,590.
FAQ
Name Census estimates that about 119 living Americans carry the surname Hauanio. Using the current population baseline, that works out to roughly 1 in 2,880,289 residents.
Hauanio ranks #153,590 in the 2020 Census surname tables and is classified on this site as "Very Rare." The Census recorded the name at a frequency of 0.03 per 100,000 residents, which is about 0 people out of every 100,000.
The raw 2020 Census file counted 104 people with the surname Hauanio. That is different from the site's living-bearer estimate (119), 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 0.03 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 Hauanio.
Between 2010 and 2020, the surname Hauanio went from 107 recorded bearers to 104. That is a decrease of 3 (-2.8%). In the national ranking it fell from #152,628 to #153,590.
Among Census respondents with the surname Hauanio, the largest self-reported group is Asian/Pacific Islander at 45.2%. The next largest groups are Two or More Races (27.9%) and White (14.4%). These figures come from the 2020 Census Bureau surname tables, based on how respondents described their own race and ethnicity.
Asian/Pacific Islander is the largest self-reported group for the surname Hauanio in the 2020 Census, accounting for 45.2% (47 people in the source table).
Hauanio appears across multiple self-reported groups in the Census data. The largest shares in the 2020 file are Asian/Pacific Islander (45.2%), Two or More Races (27.9%), White (14.4%). 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 Hauanio (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 Tongan surname of uncertain origin and meaning. 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 Hauanio (0.03 per 100,000) and applies that rate to the current U.S. resident population to estimate how many living Americans have the surname today.
For a quick modern take, check how many people are called Hauanio on our sister site HowManyOfMe.org.