Girls' name · since 1963

Cynthis

60 babies named Cynthis in U.S. Social Security records since 1963, with the highest year being 1963. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

60
total births
1963–1989
years on record
1960s
peak decade
52%
born in that decade

Cynthis sits outside today's top ranks for girls, with 60 recorded since 1963.

Cynthis has 60 recorded births among girls since 1963, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1960s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1963 to 1989.

  • 60 total births
  • 1963–1989 years on record
  • 1960s peak decade
  • 52% born in that decade

Data updated Jul 2026

The verdict

60 girls have been named Cynthis since 1963, peaking in the 1960s, last recorded in 1989.

60
total births
1963–1989
years on record
1960s
peak decade
52%
born in that decade
1960s
Peak decade

52% of everyone ever named Cynthis was born in this single decade.

1963
Single peak year

8 babies were named Cynthis in 1963 - its busiest year on record.

Cynthis's usage pattern, beyond the headline number

Splitting Cynthis's full recorded timeline at 1970, 48% of its total births fall in the more recent half of the record versus 52% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1968, with just 5 recorded births -- worth weighing against the 1963 peak of 8 to see the full range of the name's swing in popularity.

Cynthis at a glance

Last recorded 1989

Total births

60

Since 1963

27 years of records

Peak year

1963

8 births that year

Strongest decade: 1960s

Current rank

Unranked

Outside the modern top-1,000

As of 1989

Active since

1963

Recorded for 27 years

Last year on file: 1989

Cynthis popularity over time

Annual U.S. births registered with the Social Security Administration · 1963–1989

Last recorded 1989
Peak year (1963)
8
Annual births at peak, across 27 years of records
456789 1963196419651967196819701971197319851989 6

Cynthis by decade

Total births in each ten-year window, peak vs trough at a glance

1960s was Cynthis's strongest decade.

31 babies received the name during that ten-year window, about 52% of all-time use.

Cynthis births by decade

Total births in each ten-year window

births

What this shows Peak: 1960s at 31 births (52% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Frequently Asked Questions

How popular is the name Cynthis?
Cynthis has been given to 60 babies in the U.S. since 1963, according to SSA data. Its last appearance in the data was 1989. 8 babies were born in 1963, its single highest year.
When was Cynthis most popular?
Cynthis was most popular in the 1960s decade with 31 total births. The single peak year was 1963.
How long has the name Cynthis been used?
Records for Cynthis go back to 1963, giving 27 years of history through 1989.
What names are similar to Cynthis?
Names with a similar sound or spelling include Cynthia, Cyndi, Cyndy, Cyndee, and 4 more. These share a common prefix and are also used for girls.

What to do with Cynthis's data

  • Cynthis's usage has stayed within range of its 1960s decade-level peak (31 total births) through the 1980s (11) -- a comparatively stable name, not a fading trend.
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Data Sources

Data as of July 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1963–1989 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Cynthis: Baby Name Since 1963 - 60 Births, Peak 1963." NameAlmanac. Accessed via https://namealmanac.com/name/cynthis. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Cynthis draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.