Given name

Tiiu

“titmouse”

Tiiu is a feminine given name. It is used in Estonian.

Meaning & origin

What it means

Tiiu goes back to a word meaning “titmouse.”

Adapted from Wiktionary (CC BY-SA 4.0)

The story

Published U.S. birth records include this spelling as early as 1970. This is the earliest published observation available here, rather than a date for the name’s origin.

From dated birth records

Tiiu through the years

Babies since 1880
5
0 boys · 5 girls
Most popular year
1970
5 babies
2025
0
Outside the ranked list
2021–25 vs 2016–20
—
Too few births to compare
0123198020002025Highest share 19700.0
Tiiu in U.S. Social Security birth records, 1970–2025, 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.

By the numbers

The most recent published U.S. birth count for girls is 5 in 1970. Later missing counts do not mean the name went unused.

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

Tiiu’s family of names

In Estonian usage, Tiiu has a conventional equivalent in the English form Dorothy. In Estonian usage, Tiiu has a conventional equivalent in the Polish form Dorota. In Estonian usage, Tiiu has a related form in Tiia.

Walk Tiiu’s family in the name graph

TiiuTiiaDorothyDorota

Inner ring: 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.

Around the world

Tiiu has relatives in 3 languages.

3 related names in 3 languages. Point at a dot, or tab to the map and use the arrow keys.

Each dot marks where a language is rooted, not where people with the name live today. Bigger dots hold more names. Language locations from Glottolog (CC BY 4.0); map from Natural Earth.

Nicknames & forms 1

Diminutives, pet forms, short forms and variants used alongside the name.

Across languages 2

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

Similar names

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

English

Tisha

“one who brings joy to others”

22RareEasing

>99% girls

English · Nature

Tina

Tina is used as a given name and a surname. One English interpretation is “from the river; also shortened torm of names ending in -tina.”

34RareCooling

>99% girls

English

Tuesday

“born on Tuesday” · “born on a Tuesday”

21RareEasing

>99% girls

 

Tahira

“one who is chaste; pure”

21RareSteady

>99% girls

Russian · Royal

Tanya

“queen of the fairies”

29RareCooling

>99% girls

Literary

Nicol

“of the victorious people”

20RareRising

>99% girls

Biblical Hebrew · Biblical

Tommi

Tommi is a masculine given name from Biblical Hebrew. It is used in Finnish.

28RareRising

2% boys · 98% girls

English

Dionne

“of the sacred spring”

23RareRising

12% boys · 88% girls

Sibling ideas

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

A brother for Tiiu

A sister for Tiiu