girls:
24.6k births since 1880
#910 (84th percentile)
boys:
83.9k births since 1880
#345 (92nd percentile)
overall:
108.5k births since 1880
#640 (92nd percentile)
The name Sidney is the #640 most popular name of all time in the U.S. on a gender-neutral basis, with a total of 108,478 recorded births since 1880. This represents the 91.7% percentile of name popularity (more popular than 91.7% of all names). For boys, it ranks #345 (92.5% percentile) for all time with 83,917 births since 1880. For girls, it ranks #910 (84.1% percentile) for all time with 24,561 births since 1880.
Sidney has appeared in U.S. birth records since the beginning of our dataset in 1880
The name Sidney has been given predominantly to boys, with 77.4% of all recorded births being male. In 2023, 55.6% of babies named Sidney were boys.
For boys, Sidney reached its peak popularity in 1919, achieving the 82.6% percentile (ranked #94) with 1,689 births per million. The name was most common in 1912, with 2,222 births per million (ranked 79.7% percentile). Since reaching a high point around 2020, the popularity of this name for boys has been declining. Currently, Sidney ranks #757 for boys (16.9% percentile) with 87 births per million, which is 3.9% of its peak share of births.
For girls, Sidney reached its peak popularity in 2000, achieving the 71.9% percentile (ranked #253) with 612 births per million. The name was most common in 1999, with 626 births per million (ranked 71.9% percentile). Since reaching a high point in 2001, the popularity of this name for girls has been declining. Currently, Sidney ranks #825 for girls (12.9% percentile) with 73 births per million, which is 11.6% of its peak share of births.
This chart shows the total number of births per million babies in each year for the name "Sidney".
These names exclude other spelling variations of Sydney. View all variations of Sydney.
These similar-looking names have spellings that are closest to the spelling of "Sidney", in the sense that there are the fewest number of letter differences between the two spellings. This list excludes the 29 other name spellings that we've determined are also variations of "Sydney" based on shared pronunciations. Click here for more details on names that are pronounced like Sydney..
Our model found one way to pronounce the name Sidney. Click the play button under each pronunciation to hear it spoken aloud.
Our model is 100.0% confident that Sidney is pronounced as SIHD-nee, which has 2 syllables.
If none of the pronunciations above sound right to you, could you please check whether any of these related pronunciations should be applied to the name Sidney? These are pronunciations that other similar names use, but which are not currently associated with Sidney. If you think any of these are valid pronunciations for Sidney, please vote using the thumbs up button.
Our confidence scores estimate the likelihood that a particular pronunciation is the most correct for a given name spelling. These scores are derived from pronunciation dictionaries, manual verification, your feedback, and a fine-tuned large language model trained to generate name pronunciations.
For any given spelling, confidence scores across all identified pronunciations sum to 100%. However, these scores don't account for the possibility of valid pronunciations that our model hasn't identified.
The raw pronunciations shown (like S IH1 D N IY0) use the ARPAbet phoneme system, a standardized way to represent English speech sounds. Each symbol represents a distinct sound in American English. Visit the ARPAbet Wikipedia page to learn more about these phonetic symbols.
Pronunciation audio is generated by an open source text to speech model that has been customized to adhere to pronunciations provided in ARPAbet format, but sometimes pronunciations that differ subtly will sound identical, particularly if the only difference is the level of emphasis on a syllable or a single vowel sound.
© 2025 NamePlay.org
Made with ❤️ by Aaron J Becker