Theodore is one of the most popular baby names in the UK, ranked #9 in 2025. With 2,638 babies given this name, your child will likely be the only Theodore in their class — but in a school of 600, expect around ~1.3 others.
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UK Rank 2025
#9
US Rank #4
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About the Name Theodore
Theodore has held its ground, ranked #9 in 2025 and never far from its best of #8 in 2022 — a name with lasting rather than trend-driven appeal. The name has been a consistent presence in UK records since 1996. It has featured in the UK top 100 for 13 years, demonstrating solid mainstream recognition.
Theodore is one of the most popular names in the UK — yet even so, another Theodore turns up in only about 1 class in 7.
It ranks similarly in the US at #4, suggesting broad transatlantic appeal.
Theodore Roosevelt — Theodore Roosevelt Jr., also known as Teddy, was the 26th president of the United States, serving from 1901 to 1909.
Theodore Drange — Theodore "Ted" Michael Drange is a philosopher of religion and Professor Emeritus at West Virginia University, where he taught philosophy from 1966 to 2001.
Biographical summaries are shortened from Wikipedia and are used under the CC BY-SA 4.0 licence; those summaries remain available under that same licence.
Frequently Asked Questions
Common questions about the name Theodore
Probably not in their specific class, but possible. With around 2,638 UK babies named Theodore per year, your child will likely be the only Theodore in their class. In a school of 600, however, expect to find around ~1.3 others.
Theodore has been fairly steady, ranked #9 in 2025 against #14 in 2020. Its best recorded position was #8 in 2022.
Theodore is more popular in the US (#4) than in the UK (#8). Names with strong rankings in both countries tend to have broad cross-cultural appeal, working well for international families or those with ties to both nations.
Notable people named Theodore include: Theodore Kyriakou, Theodore Drange and Theodore Postol. Short summaries for each appear below.
Yes — Theodore is very popular in the United States, ranked #4 in 2025. It's a transatlantic favourite used widely on both sides of the Atlantic.
2,638
UK babies named Theodore (2025)
~0.1
Expected classmates with this name (class of 28)
~1.3
In a school of 600
↑ 5 places
Rank change (last 5 years)
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Theodore
Around 1 class in 7 has another Theodore
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UK Popularity (1996–2025)
Rank and birth count · ONS official data
US Popularity (2020–2025)
Rank · SSA official data
✨ Similar names to Theodore
Names with a similar style — each with their own classroom story
Theodore "Ted" Michael Drange is a philosopher of religion and Professor Emeritus at West Virginia University, where he taught philosophy from 1966 to 2001.
Theodore Isidore Gottlieb, professionally known as Brother Theodore, was a German-born American actor and comedian known for rambling, stream-of-consciousness monologues which he called "stand-up tragedy".