Recorded 1943–2009 Girls' name Peak 1958 449 births

Dianah — girls' name

449 babies named Dianah in U.S. Social Security records since 1943, with the highest year being 1958. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1940s641950s1211960s941970s751980s611990s172000s17
1950s
Peak decade

27% of everyone ever named Dianah was born in this single decade.

1958
Single peak year

23 babies were named Dianah in 1958 — its busiest year on record.

What the Data Says About Dianah

The Social Security Administration has registered 449 babies named Dianah between 1943 and 2009, spanning 67 consecutive years of U.S. birth records. As a girl's name, Dianah currently falls outside the top 1,000 girls' names for 2009. The name reached its historical peak in 1958, when 23 babies received it in a single year.

Decade-level aggregation shows that Dianah performed strongest in the 1950s, accumulating 121 births during that ten-year window. Across the 7 decades of recorded activity, Dianah shows a clear decline from its mid-century high.

No etymological entry is currently available for Dianah in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 449 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Dianah at a glance

Last recorded 2009

Total births

449

Since 1943

67 years of records

Peak year

1958

23 births that year

Strongest decade: 1950s

Current rank

Unranked

Outside the modern top-1,000

As of 2009

Active since

1943

Recorded for 67 years

Last year on file: 2009

Dianah popularity over time

Annual U.S. births registered with the Social Security Administration · 2009–1943

Last recorded 2009
Peak year (1958)
23
Annual births at peak — across 67 years of records
0510152025 200919881980197219651958195119441943 9

Dianah by decade

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

Peak: 1950s
Peak decade
1950s
121 births that decade — 27% of Dianah's all-time total
1940s641950s1211960s941970s751980s611990s172000s17

Frequently Asked Questions

How popular is the name Dianah?
449 babies have been named Dianah since 1943. It was last recorded in 2009. The peak year was 1958 with 23 births.
When was Dianah most popular?
Dianah was most popular in the 1950s decade with 121 total births. The single peak year was 1958.
How long has the name Dianah been used?
Dianah has been recorded in Social Security data since 1943, spanning 67 years of data through 2009.
What names are similar to Dianah?
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.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1943–2009 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.