Girls' name · since 1949
Sundy
Sundy has 100 recorded births since 1949 in federal Social Security data, most heavily in 1966 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #27,159 of 72,339
- all-time among girls
- 100
- born since 1949
- 1970s
- peak decade
Sundy sits outside today's top ranks for girls, with 100 recorded since 1949.
Sundy has 100 recorded births among girls since 1949, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1970s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1949 to 1983.
- #27,159 of 72,339 all-time among girls
- 100 born since 1949
- 1970s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Sundy ranks #27,159 of 72,339 girls' names by all-time recorded births (highest first). 100 born since 1949, peaking in the 1970s.
- #27,159 of 72,339
- all-time among girls
- 100
- born since 1949
- 1970s
- peak decade
Sundy's 100 recorded births place it above 62.42% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Sundy's usage pattern, beyond the headline number
Sundy splits its recorded history at 1969: 51% of all births land in the more recent half, 49% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1949 (5 births) -- compare that against the 1966 peak of 10 for a sense of just how much the name's popularity has swung.
Sundy popularity over time
Annual U.S. births registered with the Social Security Administration · 1949–1983
- Peak year (1966)
- 10
- Annual births at peak, across 35 years of records
Sundy by decade
1970s is the heaviest window (40 births, 40% of the file).
1970s was Sundy's strongest decade.
40 babies received the name during that ten-year window, about 40% of all-time use.
Sundy births by decade
Total births in each ten-year window
- 1940s 5
1940s
5 births
- 1950s 15
1950s
15 births
- 1960s
1960s
35 births
- 1970s
1970s
40 births
- 1980s 5
1980s
5 births
What this shows Peak: 1970s at 40 births (40% of all-time use).
Frequently Asked Questions
How popular is the name Sundy? ▼
Where does Sundy sit in the SSA name archive? ▼
When was Sundy most popular? ▼
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What to do with Sundy's data
- Sundy's decade-level peak was the 1970s (40 total births); usage has since declined to 5 in the 1980s -- if you're weighing a "classic revival" angle, the trend line argues against it.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Sundy
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Names with a similar sound, spelling, or feel to Sundy
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Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Sundy: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1966)
Similar record span (~34 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 1949–1983 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Sundy 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 August 2026.