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Sidonie

#16,924 in 2025Girls' name

Feminine form of Sidonius

Sidonie has been given to 162 babies in the U.S. since 1928. In 2025 it ranked #16,924 of 17,293 girls’ names in use. Its peak year was 2004, with 12 recorded.

Babies named Sidonie, 2025

1 in 663,000

Sidonie over time, 1880–2025

Girls
05101518801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Sidonie: meaning, origin, and history

Feminine form of Sidonius

Deeper origin not confirmed in the cited records

What Sidonie means

Sidonie is a feminine form of Sidonius.

Documented naming usage and pronunciation

Sidonie is used in French.

Another recorded pronunciation is /si.dɔ.ni/ for Sidonie.

Related names and everyday forms

Related names include Sidonius and Sidonia.

Pronunciation and spelling

In French, Sidonie is pronounced /si.dɔ.ni/.

American usage and historical context

In the United States, 162 girls were recorded with the name Sidonie between 1928 and 2025. Its highest annual count was 12 in 2004; its best national rank was #3,969 in 1951.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Sidonie?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 663,000
5 of 3,315,165 births
Among girls only
1 in 321,000
<0.01% of girls
Rank, 2025
#16,924
of 17,293 girls’ names in use
Coin-flip room size
459,581 kids
Even odds of a second one

Where Sidonie sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 459,581 children born in 2025 and it's an even bet that one of them is another Sidonie. In a class of 30 the chance is Under 1%.

When Sidonies were born

Half of everyone ever recorded as Sidonie was born before 1998 — so the typical Sidonie is around 27 today.

Median birth year
1998
About 27 years old
Biggest decade
2000s
30.9% of all use
Born in the last 25 years
45.1%
Spread across generations
Recorded since 1950
150
People you could plausibly meet
Choose a decade

2000s — 30.9% of all recorded uses (50).

Is Sidonie rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
41.7%
Peak was 2004 (12)
Years since peak
21
Years
Year-to-year steadiness
Volatile
29.1% average annual change
Best rank ever
#3,969
1951

Spellings of Sidonie

Sidonie is not the most common spelling — Simone is, with 76.6% against Sidonie's 0.45%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Sidonie around the world

Where Sidonie ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • England & Wales
    1996–2024
    #5,892
    in 2024
  • France
    1900–2025
    #881
    in 2025
  • Canada
    2010–2010
    #3,238
    in 2010
  • South Australia
    1960–1999
    #483
    in 1999

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Sidonie by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#16,924
Trend vs 5 yrs ago
New entry
Best rank ever
#3,969
1951
Peak year
2004
12 that year
First recorded
1928
Last recorded
2025
All-time count
162
Count in 2025
5

Names similar to Sidonie

Matched on shared beginnings and endings, similar length, and comparable popularity.

SidnieSidratulAlonnieAilanieGiannieKalanieMalonieAylanieElianieAlannieSidrahFrannieSiddhiEllenieMilanieEllanieEvannieNalanieKelanieDalanieLaylonieElenieBellanieSidonia

Sibling names for Sidonie

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Sidonie

Top names of 2004, Sidonie's peak yearThe 2000s in fullOther names that peaked in 1951Girls' names starting with S