US rank #11005 Unisex name Peak 1975 4,365 births

Terrill — #11005 US boys' name

4,365 babies named Terrill in U.S. Social Security records since 1917, with the highest year being 1975. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1910s101920s271930s1111940s5261950s5151960s4641970s9871980s7241990s5372000s2432010s1662020s55
#11005
of 14,243 boys in use

More common than 23% of names given to boys today.

1970s
Peak decade

23% of everyone ever named Terrill was born in this single decade.

1975
Single peak year

122 babies were named Terrill in 1975 — its busiest year on record.

What the Data Says About Terrill

The Social Security Administration has registered 4,365 babies named Terrill between 1917 and 2024, spanning 108 consecutive years of U.S. birth records. As a boy's name, Terrill currently holds the #11005 rank among boys for 2024. The name reached its historical peak in 1975, when 122 babies received it in a single year. Terrill is classified as unisex in SSA records: the opposite-sex variant accounts for 714 additional births since 1932.

Decade-level aggregation shows that Terrill performed strongest in the 1970s, accumulating 987 births during that ten-year window. Across the 12 decades of recorded activity, Terrill shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 254 births — the largest state-level total in the dataset — followed by Illinois and Florida. In total, SSA state-level files list Terrill in 26 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Terrill 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 4,365 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.

Terrill at a glance

Outside the top 1,000

Total births

4,365

Since 1917

108 years of records

Peak year

1975

122 births that year

Strongest decade: 1970s

Current rank

#11,005

Among boys

As of 2024

Active since

1917

Recorded for 108 years

Last year on file: 2024

Terrill popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1917

Outside the top 1,000
Peak year (1975)
122
Annual births at peak — across 108 years of records
-50050100150 202420111998198519721959194619331917 5

Terrill popularity over time — girls

714 total births recorded since 1932 (Terrill as girls' name)

Unisex variant — 714 births
01020304050 19951977197019631956194919421932 6

Terrill by decade

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

Peak: 1970s
Peak decade
1970s
987 births that decade — 23% of Terrill's all-time total
1910s101920s271930s1111940s5261950s5151960s4641970s9871980s7241990s5372000s2432010s1662020s55

Terrill by state

Where Terrill concentrates geographically — total births since 1917

Geographically diffuse
Top 8 states by recorded births for the name Terrill
Rank State Visual share Births Share of total
#1 California
254 5.8%
#2 Illinois
156 3.6%
#3 Florida
106 2.4%
#4 Michigan
104 2.4%
#5 New York
84 1.9%
#6 Louisiana
65 1.5%
#7 North Carolina
56 1.3%
#8 Missouri
53 1.2%
California share of Terrill's total US births 5.8%
Even split

254 of 4,365 births nationwide. Compared to a flat distribution across 26 reporting states.

Terrill appears in 26 states. Explore state details →

Frequently Asked Questions

How popular is the name Terrill?
4,365 babies have been named Terrill since 1917. It currently ranks #11005 among boys. The peak year was 1975 with 122 births.
When was Terrill most popular?
Terrill was most popular in the 1970s decade with 987 total births. The single peak year was 1975.
Where is Terrill most popular?
The top states for the name Terrill are California (254 births), Illinois (156 births), Florida (106 births).
Is Terrill a unisex name?
Yes, Terrill is used for both boys and girls. As a boy's name it has 4,365 births, and as a girl's name it has 714 births.
How long has the name Terrill been used?
Terrill has been recorded in Social Security data since 1917, spanning 108 years of data through 2024.
What names are similar to Terrill?
Names with a similar sound or spelling include Terry, Terrence, Terrance, Terrell, and 4 more. These share a common prefix and are also used for boys.

Keep exploring Terrill

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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, 1917–2024 (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.