Sincere

A boys’ name with no widely documented etymology — two syllables, given to 521 babies a year in the US.

Babies a year
521
the US, 2017
Rarity
Uncommon
among names in use
US popularity
#631
down from #604
UK popularity
—
outside the ONS list

How Sincere has moved

US popularity rank, 2015–2025. Lower is more popular.
#490#596#701201520202025#631

View as table
YearUS rank
2015#628
2016#647
2017#567
2018#590
2019#607
2020#601
2021#603
2022#544
2023#592
2024#604
2025#631

Sincere by the numbers

Sincere was given to 521 American babies in 2017, the most recent full year we hold.

Its best year in America so far is the most recent one on record, which means it was still climbing when the records end.

What we can tell you about Sincere

Not every name has a meaning to trace. Plenty are coined rather than inherited — invented outright, blended from two names, or respelled from an older one — and where we cannot find an etymology we can stand behind, we would rather say so than make one up. What follows comes from the birth records themselves.

Spelled almost the same

Other names in the records within a letter or two of Sincere. Close spellings are not always related names, but they are usually worth seeing together.

Sounds like Sincere

Names that are said the same way as Sincere, however they are written. Sounding alike does not mean they share a history.

Names about as common as Sincere

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