Unisex name · since 1946
Di
Since 1946, U.S. Social Security records show 57 babies named Di, peaking in 1958. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #33,433 of 72,339
- all-time among girls
- 57
- born since 1946
- 1950s
- peak decade
57 girls have been named Di since 1946, though it isn't currently a top-ranked name.
Di has 57 recorded births among girls since 1946, per the U.S. Social Security Administration, though it falls outside today's most-used girls names, busiest in the 1950s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1946 to 1999.
- #33,433 of 72,339 all-time among girls
- 57 born since 1946
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Di ranks #33,433 of 72,339 girls' names by all-time recorded births (highest first). 57 born since 1946, peaking in the 1950s.
- #33,433 of 72,339
- all-time among girls
- 57
- born since 1946
- 1950s
- peak decade
Di's 57 recorded births place it above 53.56% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Di's usage pattern, beyond the headline number
Splitting Di's full recorded timeline at 1971, 49% of its total births fall in the more recent half of the record versus 51% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1950, with just 5 recorded births -- worth weighing against the 1958 peak of 7 to see the full range of the name's swing in popularity.
Di popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1946–1999
- Peak year (1958)
- 7
- Annual births at peak, across 54 years of records
No longer in the modern top-1000, last recorded 1999.
57 total births across 54 years of SSA records. Peaked in 1958 with 7 births in a single year.
Di popularity over time - boys
13 total births recorded since 1998 (Di as boys' name)
Unisex use remains the minority pattern
The boys' variant of Di accounts for 19% of total recorded use across both genders.
Di by decade
1950s is the heaviest window (23 births, 40% of the file).
1950s was Di's strongest decade.
23 babies received the name during that ten-year window, about 40% of all-time use.
Di births by decade
Total births in each ten-year window
- 1940s 6
1940s
6 births
- 1950s
1950s
23 births
- 1970s 6
1970s
6 births
- 1980s
1980s
15 births
- 1990s 7
1990s
7 births
What this shows Peak: 1950s at 23 births (40% of all-time use).
Di decade highlights
- Peak decade 23 births
- Runner-up 15 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
Frequently Asked Questions
How popular is the name Di? ▼
Where does Di sit in the SSA name archive? ▼
When was Di most popular? ▼
Is Di a unisex name? ▼
How long has the name Di been used? ▼
What names are similar to Di? ▼
What to do with Di's data
- Di's decade-level peak was the 1950s (23 total births); usage has since declined to 7 in the 1990s -- 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 Di
Nearby Names Like Di
Names with a similar sound, spelling, or feel to Di
Compare Di side by side: Di vs Diane Di vs Diana Di vs Dianne
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Di: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1958)
Similar record span (~53 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, 1946–1999 (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 Di 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.
Published by
NameAlmanac
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.