Recorded 1948–2005 Boys' name Peak 1974 139 births

Sanjuan — boys' name

139 babies named Sanjuan in U.S. Social Security records since 1948, with the highest year being 1974. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1940s51950s191960s71970s501980s241990s182000s16
1970s
Peak decade

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

1974
Single peak year

11 babies were named Sanjuan in 1974 — its busiest year on record.

What the Data Says About Sanjuan

The Social Security Administration has registered 139 babies named Sanjuan between 1948 and 2005, spanning 58 consecutive years of U.S. birth records. As a boy's name, Sanjuan currently falls outside the top 1,000 boys' names for 2005. The name reached its historical peak in 1974, when 11 babies received it in a single year.

Decade-level aggregation shows that Sanjuan performed strongest in the 1970s, accumulating 50 births during that ten-year window. Across the 7 decades of recorded activity, Sanjuan shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 24 births — the largest state-level total in the dataset — followed by . In total, SSA state-level files list Sanjuan in 1 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Sanjuan 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 139 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.

Sanjuan at a glance

Last recorded 2005

Total births

139

Since 1948

58 years of records

Peak year

1974

11 births that year

Strongest decade: 1970s

Current rank

Unranked

Outside the modern top-1,000

As of 2005

Active since

1948

Recorded for 58 years

Last year on file: 2005

Sanjuan popularity over time

Annual U.S. births registered with the Social Security Administration · 2005–1948

Last recorded 2005
Peak year (1974)
11
Annual births at peak — across 58 years of records
4681012 20051996198819801976197119511948 5

Sanjuan by decade

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

Peak: 1970s
Peak decade
1970s
50 births that decade — 36% of Sanjuan's all-time total
1940s51950s191960s71970s501980s241990s182000s16

Sanjuan by state

Where Sanjuan concentrates geographically — total births since 1948

Geographically diffuse
Top 1 states by recorded births for the name Sanjuan
Rank State Visual share Births Share of total
#1 Texas
24 17.3%
Texas share of Sanjuan's total US births 17.3%

24 of 139 births nationwide.

Frequently Asked Questions

How popular is the name Sanjuan?
139 babies have been named Sanjuan since 1948. It was last recorded in 2005. The peak year was 1974 with 11 births.
When was Sanjuan most popular?
Sanjuan was most popular in the 1970s decade with 50 total births. The single peak year was 1974.
Where is Sanjuan most popular?
The top states for the name Sanjuan are Texas (24 births).
How long has the name Sanjuan been used?
Sanjuan has been recorded in Social Security data since 1948, spanning 58 years of data through 2005.
What names are similar to Sanjuan?
Names with a similar sound or spelling include Santiago, Santos, Sanford, Santino, and 4 more. These share a common prefix and are also used for boys.

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, 1948–2005 (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.