Find out how popular the first name Sidnei has been for the last 18 years (from 1995 to 2012) and learn more about the meaning and history.
Of Portuguese origin, meaning "from Sydney".
Based on the last 18 years of data, Sidnei is exclusively a female name.
For the most recent data in 2012, there were 6 female babies and 0 male babies born with the name Sidnei.
Year | Male Count | Female Count |
---|---|---|
2012 | 0 | 6 |
2008 | 0 | 6 |
2006 | 0 | 7 |
1995 | 0 | 5 |
The name Sidnei is a variant spelling of the English name Sidney, which is derived from the Old English place name "Sid-ing", meaning "at the fertile land". The name is believed to have originated in the 11th century, referring to a settlement in Sussex, England.
The earliest recorded use of the name Sidney dates back to the Domesday Book of 1086, where it appears as "Sidenye". This record suggests that the name was already in use by the time of the Norman conquest of England in 1066.
In the 12th century, the name Sidney became associated with the powerful Sidney family, who owned large estates in Sussex and other parts of England. The most notable member of this family was Sir Philip Sidney (1554-1586), a renowned poet, courtier, and soldier during the reign of Queen Elizabeth I.
Another historical figure with the name Sidney was Algernon Sidney (1623-1683), an English republican political theorist and colonel in the Parliamentary army during the English Civil War. He was executed for allegedly plotting against King Charles II.
In the 16th and 17th centuries, the name Sidney also gained popularity in France, where it was spelled "Sidnei" or "Sydnei". One notable French bearer of the name was Sidnei Albini (1570-1620), a Huguenot writer and translator.
In Italy, the name Sidnei has been used since the Renaissance period, possibly influenced by the fame of the English Sidney family or French connections. One Italian bearer of the name was Sidnei Petrozzi (1635-1701), a painter and architect from Florence.
Other historical figures with the name Sidnei include Sidnei Pinheiro (1784-1854), a Brazilian poet and journalist, and Sidnei Nunes (1920-1988), a Brazilian football player who represented the national team in the 1950 FIFA World Cup.
The first name data used on this page comes from the Social Security Administration (SSA). They've been collecting data on baby names since 1880.
The history and meaning of the name Sidnei was researched and written by our team of onomatology and genealogy experts.
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"Sidnei first name popularity, history and meaning". NameCensus.com. Accessed on July 22, 2025. http://namecensus.com/first-names/sidnei-meaning-and-history/.
"Sidnei first name popularity, history and meaning". NameCensus.com, http://namecensus.com/first-names/sidnei-meaning-and-history/. Accessed 22 July, 2025
Sidnei first name popularity, history and meaning. NameCensus.com. Retrieved from http://namecensus.com/first-names/sidnei-meaning-and-history/.
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