In patriarchal societies, matronymic surnames are far less common than patronyms.
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In the past, matronymic last names were often given to children of unwed mothers.
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An Icelander whose father's identity is uncertain may also carry a matronymic name.
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However, in 2006 Denmark reinstated patronymic and matronymic surnames as an option.
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Unusually for a royal dynasty, the House of Estridsen used a matronymic for their name.
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A component of a name based on the name of one's mother or a female ancestor is a matronymic.
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The Burmese people have no customary patronymic or matronymic system and thus there is no surname at all.
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If the father's name is unknown, a matronymic is used.
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A matronymic is a personal name based on the name of one's mother, grandmother, or any female ancestor.
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More examples
A name derived from the name of your mother or a maternal ancestor
A matronymic is a personal name based on the name of one's mother, grandmother, or any female ancestor. It is the female equivalent of a patronymic. In patriarchal societies, matronymic surnames are far less common than patronyms. ...
Occasionally you will come across a matronymic surname - one that is derived from the mother's name.