What Does the Name Thomas Mean?
Thomas is a boy's name of Aramaic origin meaning “twin.”
Updated June 2026
| Name | Thomas |
|---|---|
| Gender | male |
| Origin | Aramaic |
| Meaning | twin |
| Variants | Tom, Tommy, Thom, Tomas, Tomás |
| Popularity | A steady US top 20-30 boys' name through most of the 20th century. |
The meaning and origin of Thomas
The name Thomas means “twin” and has Aramaic origins. Greek form of an Aramaic byname meaning 'twin', borne by the apostle Thomas (known as 'Doubting Thomas'). Its New Testament association made it a widespread Christian name across Europe.
Variants and related names
Thomas is related to several other names you may recognize: Tom, Tommy, Thom, Tomas, Tomás. These share a common root or are spelling and language variants of the same name.
How popular is the name Thomas?
A steady US top 20-30 boys' name through most of the 20th century.
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Open the name generator →Frequently asked questions
What does the name Thomas mean?+
The name Thomas means “twin” and is of Aramaic origin.
What is the origin of the name Thomas?+
Thomas originates from Aramaic.
Is Thomas a popular name?+
Yes — see the popularity note above for how Thomas has trended in the US over time.
Thomas by gender
More boy's names
Sources
- Behind the Name — Etymology and history of first names — Behind the Name
- US Social Security Administration — Popular baby names by year — Social Security Administration
- A Dictionary of First Names — Oxford Reference — Oxford University Press