Unisex name · since 1939

Dyan

Since 1939, U.S. Social Security records show 1,804 babies named Dyan, peaking in 1970. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

1,804
total births
1939–2011
years on record
1970s
peak decade
36%
born in that decade

Dyan sits outside today's top ranks for girls, with 1,804 recorded since 1939.

Social Security Administration records show Dyan recorded 1,804 times among girls since 1939, though it doesn't currently rank among the most-used girls names, peaking in the 1970s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1939 to 2011.

  • 1,804 total births
  • 1939–2011 years on record
  • 1970s peak decade
  • 36% born in that decade

Data updated Jul 2026

The verdict

1,804 girls have been named Dyan since 1939, peaking in the 1970s, last recorded in 2011.

1,804
total births
1939–2011
years on record
1970s
peak decade
36%
born in that decade
1970s
Peak decade

36% of everyone ever named Dyan was born in this single decade.

1970
Single peak year

128 babies were named Dyan in 1970 - its busiest year on record.

Dyan's usage pattern, beyond the headline number

Divide Dyan's SSA record in two at 1975 and the more recent half accounts for 37% of all births, the earlier half the remaining 63%, consistent with a name more common in the past than in recent years. Its calmest year was 1939, with only 5 births recorded -- set against the 1970 peak of 128, that's the full swing in one name's fortunes.

Dyan at a glance

Last recorded 2011

Total births

1,804

Since 1939

73 years of records

Peak year

1970

128 births that year

Strongest decade: 1970s

Current rank

Unranked

Outside the modern top-1,000

As of 2011

Active since

1939

Recorded for 73 years

Last year on file: 2011

Dyan popularity over time - girls

Annual U.S. births registered with the Social Security Administration · 1939–2011

Last recorded 2011
Peak year (1970)
128
Annual births at peak, across 73 years of records
-50050100150 193919521960196819761984199220032011 5

Dyan popularity over time - boys

124 total births recorded since 1989 (Dyan as boys' name)

Unisex variant - 124 births
4681012 19891994200220102016202020232025 8

Dyan by decade

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

1970s was Dyan's strongest decade.

656 babies received the name during that ten-year window, about 36% of all-time use.

Dyan births by decade

Total births in each ten-year window

births

What this shows Peak: 1970s at 656 births (36% of all-time use).

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

How Dyan compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Dyan's total volume

Dyan vs 15 similarly-sized girls names

Dyan vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Dyan
Dyan vs 15 similarly-sized girls names

Dyan by state

Where Dyan concentrates geographically, total births since 1939

Geographically diffuse
Top 8 states by recorded births for the name Dyan
Rank State Visual share Births Share of total
#1 California
171 9.5%
#2 New York
127 7.0%
#3 Pennsylvania
55 3.0%
#4 Illinois
31 1.7%
#5 Ohio
31 1.7%
#6 Massachusetts
27 1.5%
#7 Michigan
27 1.5%
#8 New Jersey
26 1.4%
California share of Dyan's total US births 9.5%
Even split

171 of 1,804 births nationwide. Compared to a flat distribution across 13 reporting states.

Dyan appears in 13 states. Explore state details →

Frequently Asked Questions

How popular is the name Dyan?
1,804 babies have been named Dyan since 1939. It was last recorded in 2011. The peak year was 1970 with 128 births.
When was Dyan most popular?
Dyan was most popular in the 1970s decade with 656 total births. The single peak year was 1970.
Where is Dyan most popular?
The top states for the name Dyan are California (171 births), New York (127 births), Pennsylvania (55 births).
Is Dyan a unisex name?
Yes, Dyan is used for both boys and girls. As a girl's name it has 1,804 births, and as a boy's name it has 124 births.
How long has the name Dyan been used?
The SSA has tracked Dyan since 1939 -- 73 years through the most recent 2011 data.
What names are similar to Dyan?
Names with a similar sound or spelling include Dyana, Dyanna, Dyani, Dyamond, and 4 more. These share a common prefix and are also used for girls.

What to do with Dyan's data

  • Dyan's decade-level peak was the 1970s (656 total births); usage has since declined to 5 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Dyans (171 births) -- see the full state breakdown if geography matters to your decision. California names
  • 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, 1939–2011 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Dyan: Baby Name Since 1939 - 1,804 Births, Peak 1970." NameAlmanac. Accessed via https://namealmanac.com/name/dyan. 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 Dyan 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.