Thiago

What Thiago means

Portuguese, meaning “natal, relating to birth”

The th in this variant spelling was added unetymologically (see the main entry for the etymology); compare Nathália, a variant spelling of Natália, where a similar unetymological th was added, despite the name coming from nātālis (“natal, r

Source: Wiktionary, “Thiago” (revision 82551925), CC BY-SA 4.0. Quoted from the etymology; we don’t write our own.

How popular is Thiago?

US: Rising: up from #334 in 2015. England & Wales: Rising: up from #1186 in 2015.

Biggest US share so far: 2025, when 5,835 boys got the name (#50 that year). First in the US records in 1986.

How common

• About 1 in 293 baby boys in the US in 2025
• About 1 in 2,124 baby boys in England and Wales in 2025

“1 in N” divides by all listed births for that sex. The US list leaves out names given to fewer than 5 babies, and the UK lists leave out names given to 2 or fewer, so the real figure is a little rarer than shown.

Where in the US

Most popular in MD (7.34 per 1,000 boys), FL (6.79 per 1,000 boys), NJ (6.36 per 1,000 boys) in 2025.

SSA state data, 2025. Share of all listed boys born in each state.

US vs UK

Thiago is #50 in the US and #331 in England & Wales (2025).

Same sex as this page (boys). SSA (US), ONS (England and Wales), NRS (Scotland).

Boy or girl?

In 2025, 99.9% of US babies named Thiago were boys.

Counts below the publishing threshold (US 5, UK 3) are not included.

If you like Thiago

Boys

• Leo#19“lion”^*
• Arlo#148Editor’s note More popular in England & Wales than the US: #15 vs #148 in 2025
• Otto#277“wealth, riches”^*
• Adriel#84“flock of God”^*
• Waylon#56Editor’s note Climbing fast in the US: #222 in 2015, #56 in 2025
• Lennox#289Editor’s note Used for both: 75% of US babies named Lennox in 2025 were boys

For a sister

• Millie#73Editor’s note Climbing fast in the US: #469 in 2015, #73 in 2025
• Ember#154Editor’s note Climbing fast in the US: #366 in 2015, #154 in 2025
• Freya#176“mistress, lady”^*
• Aurora#15Italian, from Latin Aurōra, meaning “dawn, sunrise”^*
• Emilia#45Variant of Emily, meaning “rival, emulator”^*
• Hazel#21From the word “hazel”^*

Picked from the US top 1,000 in 2025: names Wiktionary also files under where there are enough, topped up with common names whose US popularity since 1990 rose and fell most like Thiago’s. Place names are only included if they are in the top 300. Rank is US 2025.