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Synthia

#13,043 in 2025Girls' name

Literal meaning not recorded; Ancient Greek origin

Synthia has been given to 2,428 babies in the U.S. since 1890. In 2025 it ranked #13,043 of 17,293 girls’ names in use. Its peak year was 1965, with 67 recorded.

Babies named Synthia, 2025

1 in 474,000

Synthia over time, 1880–2025

Girls
02040608018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Synthia: meaning, origin, and history

Literal meaning not recorded; Ancient Greek origin

Ancient Greek

What Synthia means

Synthia is a given name.

Origin, language, and formation

Synthia is used in English. Its origins include Ancient Greek.

American usage and historical context

In the United States, 2,428 girls were recorded with the name Synthia between 1890 and 2025. Its highest annual count was 67 in 1965; its best national rank was #1,324 in 1890.

Over 5 years its rank rose, from #17,248 in 2020 to #13,043 in 2025. Over 10 years its rank fell, from #12,883 in 2015 to #13,043 in 2025.

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 Synthia?

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

Among all babies, 2025
1 in 474,000
7 of 3,315,165 births
Among girls only
1 in 230,000
<0.01% of girls
Rank, 2025
#13,043
of 17,293 girls’ names in use
Coin-flip room size
328,272 kids
Even odds of a second one

Where Synthia 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 328,272 children born in 2025 and it's an even bet that one of them is another Synthia. In a class of 30 the chance is Under 1%.

When Synthias were born

Half of everyone ever recorded as Synthia was born before 1977 — so the typical Synthia is around 48 today.

Median birth year
1977
About 48 years old
Biggest decade
1960s
21.0% of all use
Born in the last 25 years
16.7%
Spread across generations
Recorded since 1950
2,292
People you could plausibly meet
Choose a decade

1960s — 21.0% of all recorded uses (511).

Is Synthia 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
−2,035
Places dropped
Rank vs 5 years ago
+4,205
Places climbed
Rank vs 10 years ago
−160
Places dropped
Births vs 10 years ago
0.88×
Fewer babies than then
Share of its own peak
10.4%
Peak was 1965 (67)
Years since peak
60
Years
Year-to-year steadiness
Volatile
29.7% average annual change
Best rank ever
#1,324
1890

Spellings of Synthia

Synthia is not the most common spelling — Cynthia is, with 98.8% against Synthia's 0.34%.

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.

Where Synthia is used

Across 1910–2025, Synthia was most concentrated in California — about 1 in 50,000 girls, against 1 in 135,557 across all states with data. It was least common in Ohio (1 in —).

02 per 100,000

Most concentrated

  1. 1California1 in 50,000
  2. 2Texas1 in 100,000
  3. 3Alabama1 in —
  4. 4Florida1 in —
  5. 5Georgia1 in —
  6. 6Illinois1 in —
  7. 7New York1 in —
  8. 8Ohio1 in —

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Synthia has too little recent state data to map, so this covers all years from 1910.

Synthia around the world

Where Synthia 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.

  • France
    1974–2011
    #7,590
    in 2011
  • Canada
    1991–1998
    #2,262
    in 1998
  • South Australia
    1963–1972
    #722
    in 1972

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

Notable people named Synthia

People whose public names include Synthia, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Synthia in other languages

Cross-language forms and variants of Synthia. Linked forms have their own page here.

Syntia

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Synthia by the numbers

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

As a girl's name

Rank in 2025
#13,043
Trend vs 5 yrs ago
Up 4,205
Best rank ever
#1,324
1890
Peak year
1965
67 that year
First recorded
1890
Last recorded
2025
All-time count
2,428
Count in 2025
7

Names similar to Synthia

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

SynethiaSyncereAlethiaDelphiaCinthiaSyniahKathiaAlishiaAleshiaAshiaAlyshiaMakhiaZophiaTashiaTyeshiaNatashiaSynaiMyeshiaAlahiaLatashiaIeshiaTrishiaTaneshiaPorshia

Names with a curve like Synthia

Not spelling — timing. These names rose, peaked and faded in the same years as Synthia, so they read as being from the same moment even when they look nothing alike.

RaeleneLezlieRisaLianneLynelleJohnaMagdaTeresitaKendaTomiJaniseDennise

Sibling names for Synthia

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 Synthia

Top names of 1965, Synthia's peak yearThe 1960s in fullOther names that peaked in 1890Girls' names starting with S