Given name

Tammy

Tammy is connected with Tamara and Tamsin in English naming traditions.

Meaning & origin

How it developed

In English use, Tammy is used as an affectionate form of Tamara. In English use, Tammy is used as an affectionate form of Tamsin.

The story

Published U.S. birth records include this spelling as early as 1934. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Tammy through the years

Babies since 1880
333,407
1,392 boys · 332,015 girls
Most popular year
1963
21,246 babies
2025
41
#3,703 for girls
2021–25 vs 2016–20
−33%
Easing
05,00010K15K19401960198020002025Highest share 196826
Tammy in U.S. Social Security birth records, 1934–2025, per million girls born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.

Where it’s given

Most at home inNew Jersey, California
FewerMore, relative to births Not published
2025 births by state of birth. Tiles are equal-sized so small states stay visible. Highest rates: New Jersey (6), California (5).

By the numbers

In 2025, this name appeared in 41 U.S. birth records for girls, ranking No. 3,703 among girls’ names. Average annual use for girls was 33.5% lower in 2021–2025 than in 2016–2020. Its largest published annual count for girls was 21,199 in 1963. In 2025, New Jersey had the largest reported state-level birth count for girls with this name (6). Published U.S. population figures for this spelling include 277,310 as a first name in 2020.

From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.

Tammy’s family of names

In English usage, Tammy is a diminutive of Tamara. In English usage, Tammy has a related form in TAMMIE. Tammy is an affectionate form of Tamara.

Walk Tammy’s family in the name graph

TammyThammyTamaraTammieTammiTamsinTammyeTammmyTamiTamarThamar

Inner ring: spellings · middle: nicknames and forms · outer: across languages.

Hover or tab through the constellation to see how each name is related. Bigger dots are names more people in the U.S. share.

Spellings & scripts 1

The same name written differently, including transliterations into other scripts.

Across languages 3

Equivalents and cognates in other languages, plus older forms it grew from.

Similar names

If you love Tammy, these share its style, era, origin or sound, from outside its own family.

 

Cami

“crooked nose”

28RareRising

>99% girls

English · Nature

Toni

“a flourishing man; from an ancient Roman family”

38RareEasing

8% boys · 92% girls

 

Terri

“a harvester” · “learned”

22RareCooling

>99% girls

 

Teddie

“a wealthy protector” · “God”

31RareRising fast

16% boys · 84% girls

French and Italian

Mimi

Mimi is used as a given name and a surname. Mimi is connected with Maria.

19Very rareSteady

>99% girls

 

Ami

“one who is industrious and hardworking”

30RareRising

23% boys · 77% girls

Hebrew

Tamera

“date palm”

21RareCooling

>99% girls

Russian · Royal

Tanya

“queen of the fairies”

29RareCooling

>99% girls

Sibling ideas

Names that share Tammy’s feel without repeating its first letter or rhyming with it.

A brother for Tammy

A sister for Tammy