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Surname

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A surname is a hereditary name that identifies a person's family. It is often called a family name or a last name. Most people combine a surname with a given name to form a full name.

FML names-2
FML names-2

This combination helps distinguish one individual from another within a group. While most people have one surname, some cultures use more. In many Spanish and Portuguese-speaking countries, people use two surnames for legal purposes. One is inherited from the mother and one from the father. The study of these proper names is a field called onomastics.

Surnames are created through several different mechanisms. One common method is the patronymic system. This uses the father's name to create a new identifier for the child. For example, the name Jackson means "son of Jack." Another method is the use of occupational names. These are based on the trade or job a person performed. A person named Smith likely had ancestors who worked as blacksmiths. Some names are also cognominal, which means they come from nicknames. These nicknames might describe a person's physical appearance or their personality.

There are many distinct types of surnames found across the globe. Patronymic and matronymic names are among the oldest and most common. Patronymics come from a father, while matronymics come from a mother. Clan names are another type, often used by Scottish families. Examples include names starting with "Mac," which is Gaelic for "son." Territorial surnames are based on where a person lived. In early England, Norman nobility used "de," meaning "of," before their village name. Finally, ethnonymic surnames identify a person's ethnicity or origin, such as the name Alemán.

History shows that the use of surnames has changed significantly over time. In China, legend says Emperor Fu Xi began using family names in 2000 BC. He used them to make census-taking and administration easier. Originally, Chinese surnames were matrilineal, meaning they followed the mother's line. However, they became patrilineal during the Shang dynasty from 1600 to 1046 BC. In Ancient Greece, people often used patronymics or clan names. Alexander the Great was known by the name Heracleides to show his descent from Heracles. In Rome, the nomen was used as early as 650 BC to show group kinship.

In Western Europe, surnames became more common during the Middle Ages. English surnames were documented by barons in the 11th century. The preparation of the Domesday Book in 1086 is often linked to their introduction in England. By 1400, most families in England and Lowland Scotland used hereditary surnames. A recent study by the University of the West of England analyzed 45,602 surnames. It found that over 90% of these names are native to Britain and Ireland. The most common names in the UK include Smith, Jones, and Williams.

Many governments have used surnames for administrative and legal reasons. In the modern era, laws often require people to have fixed family names. This helps governments manage taxation and inheritance records. The Napoleonic Code in Europe required people to use names that do not change. Other countries like Japan, Thailand, and Turkey also formalized naming systems. Japan's system, which places the family name before the given name, was set in 1868. In the 1790s, the Hoym Ordinance in Prussia required Jewish citizens to adopt surnames. These laws helped states organize their populations more effectively.

Names can also change due to social or political circumstances. Some people change their names to protect their privacy or for witness protection. Others change names to escape persecution or to fit into a new culture. For instance, some European Jews in the United States anglicized their names to avoid discrimination. However, name changes are not always voluntary. The National Socialist government in Germany once assigned German names to conquered people. Similarly, the Bulgarian government forcibly changed the names of Turkish citizens in the 1980s. These shifts show how names are deeply connected to identity and power.

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File:Map of Most Commons Surnames in the United States by State.svg
Map of Most Commons Surnames in the...
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