Observing the ethnic identity tied to the surname Lau, as per the Decennial U.S. Census data, reveals that the highest proportion of bearers associate with Asian/Pacific Islander ethnicity. This group represents 76.07 percent of those with the surname Lau in 2010, a slight decrease from 76.56 percent in 2000. Although the majority of people with this surname identify as Asian/Pacific Islander, there are also notable populations that identify as White (16.19 percent in 2010) and Hispanic (3.47 percent in 2010). Other ethnicities such as Black, American Indian and Alaskan Native, and those identifying with two or more races collectively make up less than 5 percent of those with the surname Lau.
2000 | 2010 | Change | |
---|---|---|---|
Asian/Pacific Islander | 76.56% | 76.07% | -0.64% |
White | 17.42% | 16.19% | -7.06% |
Two or More Races | 2.97% | 3.94% | 32.66% |
Hispanic | 2.73% | 3.47% | 27.11% |
Black | 0.21% | 0.24% | 14.29% |
American Indian and Alaskan Native | 0.1% | 0.08% | -20% |
NomOrigine computes an ancestry breakdown for each customer. People may have ancestry from just one population or they may have ancestry from several populations. The most commonly-observed ancestry found in people with the surname Lau is Chinese, which comprises 60.7% of all ancestry found in people with the surname. The next two most common ancestries are British & Irish (7.7%) and French & German (7.2%). Additional ancestries include Chinese Dai, Vietnamese, Japanese, Eastern European, and Korean.
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ANCESTRY BREAKDOWN | COMPOSITION |
---|---|
Chinese | 60.7% |
British & Irish | 7.7% |
French & German | 7.2% |
Other | 24.4% |
Haplogroup O-Page23 has been found in several populations of the Han Chinese ethnic group. The ancestors of the Han, called the Huaxia, lived in the upriver basin of the Yellow River 5,000-6,000 years ago. As agricultural technology improved, the Huaxia spread east and south, and became the Han Chinese. Over the last 2,000 years, there have been three major migrations of the Han southward. The first of these migrations occurred during the Jin Dynasty from 317 to 420 CE, when nearly one million people moved south. A second migration occurred during the Tang Dynasty, after the An-Shi Rebellion, between 755 and 762 CE. The last migration occurred during the Southern Song Dynasty, from 1127 to 1297 CE, when nearly 5 million people migrated southward. The Pinghua, a branch of Han in which haplogroup O2a2b1a1 is particularly common, may be descendants of indigenous minority groups that adopted Han culture during one such major migration event.
While Haplogroup M is widespread throughout South and East Asia, it is more diverse on the Indian sub-continent than anywhere else in the world. The high degree of diversity of M in India is likely tied to its ancient arrival here nearly 50,000 years ago. In addition to M2, which is found throughout the subcontinent, there are dozens of haplogroups branching off of M that exist in India. These branches are often connected to specific regions, tribes, or ethnic groups. For example, haplogroup M18 is found among the Oraon peoples of eastern India and Bangladesh, while haplogroup M41 is common among the Pardhan speakers of eastern India, and haplogroup M31a can be found on the Andaman Islands, just off the southeast coast of India.
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