girls:
420 births since 1989
#5296 (7th percentile)
boys:
1.4k births since 1900
#3226 (30th percentile)
overall:
1.8k births since 1900
#5928 (23rd percentile)
The name Sinclair is the #5,928 most popular name of all time in the U.S. on a gender-neutral basis, with a total of 1,828 recorded births since 1900. This represents the 23.4% percentile of name popularity (more popular than 23.4% of all names). For boys, it ranks #3,226 (29.6% percentile) for all time with 1,408 births since 1900. For girls, it ranks #5,296 (7.3% percentile) for all time with 420 births since 1989.
Sinclair first appeared in U.S. birth records in 1900 (1900 for boys and 1989 for girls). Birth data for Sinclair is available in 115 out of the 124 years between 1900 and 2023 (109 years for boys and 33 years for girls). The Social Security Administration only reports birth data for years in which the name was given to at least five children of the same gender.
The name Sinclair has been given predominantly to boys, with 77.0% of all recorded births being male. In 2023, 18.5% of babies named Sinclair were boys. Interestingly, until around 1996, the name was more popular for boys (95.3% boys from 1900 to 1995), but since then it has been more commonly used for girls (66.8% girls from 1996 to 2023).
For boys, Sinclair reached its peak popularity in 1924, achieving the 4.3% percentile (ranked #530) with 25 births per million. The name was most common in 1900, with 49 births per million (ranked 1.2% percentile). Since reaching a high point around 2016, the popularity of this name for boys has been declining. Currently, Sinclair ranks #911 for boys (0.0% percentile) with 3 births per million, which is 5.5% of its peak share of births.
For girls, Sinclair reached its peak popularity in 1994, achieving the 2.0% percentile (ranked #828) with 11 births per million. The name was most common in 2023, with 13 births per million (ranked 1.8% percentile). Since reaching a low point around 2020, the popularity of this name for girls has been increasing. Currently, Sinclair is at or near its peak popularity for girls, ranked #930 (1.8% percentile) with 13 births per million.
This chart shows the total number of births per million babies in each year for the name "Sinclair".
These names exclude other spelling variations of this name. View all variations of Sinclair.
These similar-looking names have spellings that are closest to the spelling of "Sinclair", in the sense that there are the fewest number of letter differences between the two spellings. These names exclude other spelling variations of this name. View all variations of Sinclair.
Our model has identified 4 different pronunciations for the name Sinclair. Click the play button under each pronunciation to hear it spoken aloud.
Our model is 50.0% confident that Sinclair is pronounced as sihn-KLAIR, which has 2 syllables. The next most likely pronunciation is SIHN-klair, at 26.0% confidence, with 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 Sinclair? These are pronunciations that other similar names use, but which are not currently associated with Sinclair. If you think any of these are valid pronunciations for Sinclair, 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 IH0 N K L EH1 R) 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.
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