Given name
Theta
“eighth letter of the Greek alphabet”
Theta is used as a given name. One Greek interpretation is “eighth letter of the Greek alphabet.”
Meaning & origin
What it means
One Greek interpretation is “eighth letter of the Greek alphabet.”
Where it comes from
An origin associated with this spelling is Greek.
The story
Published U.S. birth records include this spelling as early as 1907. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Theta through the years
- Babies since 1880
- 402
- 0 boys · 402 girls
- Most popular year
- 1907
- 20 babies
- 2025
- 0
- Outside the ranked list
- 2021–25 vs 2016–20
- —
- Too few births to compare
By the numbers
The most recent published U.S. birth count for girls is 5 in 2015. Later missing counts do not mean the name went unused. Its largest published annual count for girls was 20 in 1907. Published U.S. population figures for this spelling include 244 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.
The ring: nicknames and forms.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Similar names
If you love Theta, these share its style, era, origin or sound, from outside its own family.
Thetis
>99% girls
Tekla
“glory of God”
>99% girls
Thyra
“the shield-bearer”
>99% girls
Thelma
“one who is ambitious and willful”
>99% girls
Ireta
“one who is serene”
>99% girls
Teofila
Teofila is a feminine given name from Latin, ultimately from Ancient Greek. It is used in Polish and Cebuano.
>99% girls
Theola
“one who is divine; godly”
>99% girls
Leitha
>99% girls