Syncere
Feminine · “Sincere”
Syncere is given to both — 674 girls and 3,134 boys since 1880. See Syncere as a boy nameSee other names given to both
Sincere is an English adjective and one of the newest American word names — and Syncere is its respelling, with the y that American naming has been substituting for i for forty years. Its peak is 2024, which makes it about as new as a name gets.
How old is the name Syncere?
Syncere first appears in US birth records in 1999 — 26 years ago. The typical Syncere is a kid of about 12 — this name's wave is very recent. About 700 people named Syncere are estimated to be alive in the US today.
When was the name Syncere most popular?
Syncere peaked in 2024, reaching #3695 nationally. Today it ranks #5554, 1,859 places below that high. See the whole 2024 chart.
Where it comes from
From sincerus to Syncere
Our story of Syncere
Virtue names are old in English — Faith, Hope, Charity, Prudence, Temperance, Mercy — and the Puritans used them systematically. What is new is the vocabulary. The seventeenth century named children for theological virtues; the twenty-first names them for personal qualities: Sincere, Genesis, Legend, Royalty, Justice, Legacy, Messiah. The shift is from what a person owes God to what a person is or will achieve, and it tracks a much broader change in what American families think a name should assert. Syncere belongs squarely in the new group, and the y spelling puts it with Jayce, Kyng and Ryver rather than with Faith and Prudence. Its 2024 peak means the name is still rising in the data.
Meaning
Sincere, honest, without pretence
From Latin sincerus, pure or unmixed, through French. The often-repeated derivation from sine cera, without wax — supposedly from dishonest sculptors filling cracks — is a folk etymology and is rejected by every serious source. The Latin word's second element is genuinely uncertain; the first is probably sem, one, giving of one growth or unmixed. The y of Syncere is an American respelling.
How the name formed
- sincerus
- sincere
- Syncere
Related forms: Sincere · Sincère
Pronouncing Syncere
sin-SEER
Two syllables, stress on the second, identical to the English word. The y is a spelling choice and changes nothing in speech.
Nicknames for Syncere
Moderate
What the data says
146 years of official birth records
The long climb, and where it stands now
The same years in position rather than babies
- First recorded
- 1999
- Most girls named
- 202441 — the highest on record
- Peak rank
- #3695reached in 2024
- Change vs 2024
- −46.3%22 in 2025, from 41
Rank is a position, a count is a headcount, and they move independently — a name can hold its rank while the number of babies behind it falls. Source: U.S. Social Security Administration.
Syncere in other languages
The same name elsewhere
- Sincere in English — spelling variant
- Sincère in French — related form
Strongest US states over the last decade: Texas, Michigan, Maryland.
Synceres among us
people named Syncere are estimated to be alive in the US today
About 1 girl in 73,058 born in 2025 was named Syncere
Estimated from SSA birth records and published actuarial life tables. Method
Spellings of Syncere
- #5554
- Syncere on the 2025 chart
- #882
- counting every spelling
The SSA counts spellings, not names. Syncere went to 22 girls in 2025, but Sincere, Cyncere and Cynncere are the same name said out loud. Together the 4 spellings went to 78, which makes it the 882nd most-given girls’ name of the year — 4,672 places above the chart.
- Sincere44
- Syncere22
- Cyncere7
- Cynncere5
About 1 girl in 20,606 born in 2025 was given one of these spellings — against 1 in 73,058 for Syncere itself.
Spellings are grouped by a fixed rule that folds interchangeable English spellings of one sound (ck/k, ph/f, x/ks, a non-initial y for i) and keeps vowels apart, so Sean and Shawn stay separate names. It errs towards splitting: a family here is never larger than the truth. SSA national data, 2025. Method
Is it right for you
What happens to a name after it peaks
The Athanasia test
Every popular name lives one long story — a climb, a peak, a slow settling back. Syncere's later chapters haven't been written yet, so we borrowed them: Athanasia climbed just as high around 1974, and its whole arc is on record. Line the two peaks up, and Athanasia's path sketches the road Syncere is walking now.
Syncere sits in the calm middle of the cycle — neither chasing a wave nor sliding off one. Middle-of-the-cycle names age slowly and predictably.
A scored estimate from 146 years of naming cycles — not a prophecy. Great names outlive statistics. How this is scored
Syncere beside its neighbors
The names ranked closest to Syncere in 2025, in babies rather than position — the bars are to scale.
US girls given each name in 2025.
The trade-off
- It is an ordinary English word with a settled and admirable meaning.
- Everyone can say it on sight.
- It is used for both sexes without adjustment.
- The first syllable, spelled with a y, reads as the word sin.
- Sincere is the standard spelling and will be written for it.
- It is a statement name and a bearer will be asked about it for a lifetime.
Nobody names a baby alone.
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What they receive
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Syncere
Feminine · #5554 in the U.S.
Frequently asked
- How many Synceres are there in the world?
- No country counts the world's names, so there is no worldwide figure — anyone quoting one is estimating. About 700 people named Syncere are estimated to be alive in the US today.
- How do you spell Syncere?
- Syncere is one of 4 recorded spellings. Sincere is the more common one — 44 births in 2025 against 22 for Syncere.
- How popular is the name Syncere in 2025?
- Syncere ranks #5554 among US girl names in 2025, with 22 babies given the name.
- How rare is the name Syncere?
- About 1 in every 73,058 US girls born in 2025 was named Syncere — 22 in all.
- Will my child share the name Syncere with classmates?
- Syncere will almost certainly be the only one in school.
Ranked beside Syncere
Names sitting at a similar level of popularity right now.
Eda#5554 · Phebe#5554 · Felicia#5554 · Audie#5554 · Maryellen#5554 · Warren#5554 · Ruthann#5554 · Nettie#5554
Looking for what else is popular rather than what resembles Syncere? See the current top 100.
Choosing between Syncere and another name?
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US figures from the Social Security Administration. 1880–2025. Data & methodology
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