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
Below the archive median
All-time archive position

Di's 57 recorded births place it above 53.56% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

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

Last recorded 1999
Peak year (1958)
7
Annual births at peak, across 54 years of records
4.555.566.577.5 1946195019551957195819711981198319861999 7

Di popularity over time - boys

13 total births recorded since 1998 (Di as boys' name)

Unisex variant - 13 births
456789 19981999 8

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

births

What this shows Peak: 1950s at 23 births (40% of all-time use).

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

Frequently Asked Questions

How popular is the name Di?
Since 1946, Social Security records show 57 babies named Di. Across the full SSA archive it ranks #33,433 of 72,339 girls' names by total births. The most recent recorded year was 1999. Its busiest year on record was 1958, with 7 births.
Where does Di sit in the SSA name archive?
According to the U.S. Social Security Administration, Di ranks #33,433 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Di most popular?
Di was most popular in the 1950s decade with 23 total births. The single peak year was 1958.
Is Di a unisex name?
Yes, Di is used for both boys and girls. As a girl's name it has 57 births, and as a boy's name it has 13 births.
How long has the name Di been used?
Di has been recorded in Social Security data since 1946, spanning 54 years of data through 1999.
What names are similar to Di?
Names with a similar sound or spelling include Diane, Diana, Dianne, Dianna, and 4 more. These share a common prefix and are also used for girls.

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

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.

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.