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Sidney Name Meaning, Origins & History

Sidney

Pronunciation: SID-nee

Meaning From St. Denis Origin surnames Gender Unisex
BOYS RANK
#1,327
TREND
47
GIRLS RANK
#1,878
TREND
144
Peak Years
1918, 1917, 1919
Lowest Years
1891, 1881, 2021
Energy Archetype
Original & Spiritually Intense

Rank shows the name’s position among U.S. baby names for each gender in 2025. Trend shows how many places it rose or fell since 2024. Rank 1 is the most popular. Based on U.S. Social Security Administration (SSA) data. Peak and lowest years are based on the number of boys named Sidney in the available records.

Fun Facts About the Name Sidney

  • A favorite of earlier generations: Sidney appeared in the U.S. top 100 in 4 separate runs, totaling 16 years. Its last run lasted 10 consecutive years, from 1910 through 1919.
  • More than 108 thousand babies named Sidney: U.S. records list 108,987 babies given the name Sidney from 1880 through 2025. Of these, 24,785 girls received the name Sidney - about 1 girl for every 3 boys.

What Does the Name Sidney Mean?

Sidney is an English name meaning "wide island" or "broad island." It began as a surname, not a given name, and comes from an Old English place-name. The first element is sīd, Old English for "wide" or "spacious." The second is usually explained as ēg, an Old English word for "island" (sometimes also used for dry ground in a marsh). The place-name would therefore have described a broad island or a wide tract of raised land. Sidney and Sydney are spelling variants of the same surname; they are not separate names with different origins.

Sidney Name History & Origins

The surname Sidney is habitational: it belonged to someone who came from a place called Sidney. That place is usually identified as a site in Sussex, though its exact location is not certain and it may have been a small settlement or manor rather than a surviving village. The surname was established in England in the medieval period. In the 16th century it became prominent through the Sidney family of Penshurst in Kent. Sir Philip Sidney (1554 - 1586) was a poet, courtier, and soldier, and his sister Mary Sidney, Countess of Pembroke, was a translator and patron. Sidney Sussex College, Cambridge, founded in 1596, was named for Frances Sidney, Countess of Sussex.

Sidney began to be used as a given name in England by the 17th century, taken directly from the surname. It was originally a male name. The variant spelling Sydney followed the same pattern, and both spellings were used for boys in the 18th and 19th centuries. In modern usage, Sydney is often given to girls, while Sidney is often given to boys, though both spellings appear for both sexes.

Literary use is separate from the name's origin. Charles Dickens gave the name to Sidney Carton in A Tale of Two Cities (1859), a character known for his sacrifice. The city of Sydney, Australia, is named after Thomas Townshend, 1st Viscount Sydney; his title uses the same name. These are literary and place-name associations, not the source of the given name.

How Popular is the Name Sidney?

Sidney recorded its highest annual U.S. birth count in 1918. The name enjoyed early prominence in the late 19th century before its sustained modern rise.

U.S. name popularity from 1880-2025, based on SSA data. Rank shows how the name compares with other names - lower numbers mean greater popularity. Births shows how many babies received the name each year.

Name popularity over more than a century, based on Social Security Administration data. Gaps in the chart indicate years when the name does not appear in the published records.

Explore Name Lists Featuring Sidney

Carl appears in several baby name collections based on U.S. popularity records, naming trends, and name characteristics. Explore these lists to discover other names with similar histories, styles, or features.

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Past Favorite Boy Names: Once-Popular Names

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How the Name Sidney Shapes Your Personality and Life?

You are spiritually intense and can sting or charm. Your name brings love and new starts into life and attracts money. In business, you are the creator and promoter of original ideas and usually enjoy considerable financial success. You are intuitive and might be interested in the arts, drama or science.

Dependable, very down-to-earth and well grounded, you are always looking for meaningful work, a career where you can take pride in your work and do the best job you are capable of. Your prime desire is to build protected and secure environment at home and at work. You can be very persuasive in achieving goals and gaining objectives. You can be very detailed and well-organized and possess great organizational skills. At times you may appear too stubborn and overly critical to others, but your practical approach to life and productivity makes you one of the most beneficent members of community.

✦ Sidney's Deeper Meaning & Tips for Parents Discover Sidney's symbolic numbers and practical tips for choosing a name that complements your child's birth date.
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