Rex is a distinctive choice, ranked #216 in 2024. Your child is likely to be the only Rex in their class.
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UK Rank 2024
#216
US Rank #794
About the Name Rex
Rex is gradually declining in popularity, having dropped 73 places over five years. Its high point was #142 in 2021, and it now sits at #216. The name has been a consistent presence in UK records since 1996.
Rex is distinctive enough that your child will likely be the only one in both their class and their school — standing out on every register.
In the US it sits at #794 — notably more popular in the UK than across the Atlantic.
Frequently Asked Questions
Common questions about the name Rex
Unlikely. With around 228 UK babies named Rex per year, your child will almost certainly be the only Rex in his class, and possibly the only one in the whole school.
Rex has been declining in UK popularity, dropping 73 places in the last five years. Its peak was #142 in 2021. Choosing it now means he is likely to be among the last of his generation with this name.
Rex is more popular in the UK (#216) than in the US (#794). 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 Rex include: Rex Lee (actor) — Rex Lee is an American actor.; Rex Tillerson — Rex Wayne Tillerson is an American energy executive and former diplomat who served as the 69th United States secretary of state from 2017 to 2018 in the first...; Rex Sinquefield — Rex Andrew Sinquefield is an American businessman, investor, and philanthropist who has been called an 'index-fund pioneer' for contributing to the early....
Rex ranks #794 in the US top 1,000 (2024). It's recognised in America but considerably more popular in the UK.
228
UK babies named Rex (2024)
~0.0
Expected classmates with this name (class of 28)
~0.1
In a school of 600
↓ 73 places
Rank change (last 5 years)
🏫 Who else is in the room?
In a typical UK class of 28, highlighted children share the name Rex
Likely around 1 other Rex in the class
UK Popularity (1996–2024)
Rank and birth count · ONS official data
US Popularity (2020–2024)
Rank · SSA official data
✨ Similar names to Rex
Names with a similar style — each with their own classroom story
Rex Wayne Tillerson is an American energy executive and former diplomat who served as the 69th United States secretary of state from 2017 to 2018 in the first administration of Donald Trump. From 2006 to 2016, he was chairman and chief executive officer (CEO) of ExxonMobil.
Reginald John "Rex" Whistler was a British artist who painted murals and society portraits, and designed theatrical costumes. He was killed in action in Normandy in World War II.
Rex Andrew Sinquefield is an American businessman, investor, and philanthropist who has been called an 'index-fund pioneer' for contributing to the early development and popularization of passively managed index funds among retail investors. Sinquefield was also a co-founder of Dimensional Fund Advisors.
Oedipus Rex, also known by its Greek title, Oedipus Tyrannus (Ancient Greek: Οἰδίπους Τύραννος, pronounced [oidípuːs týrannos]), or Oedipus the King, is an Athenian tragedy written by Sophocles. The play is thought to have been first performed c.
Rex 84B, short for Readiness Exercise 1984 Bravo, was a classified scenario and drill developed by the United States federal government to detain large numbers of United States residents deemed to be "national security threats" in the event that the president declared a National Emergency. The scenario envisioned state defense forces rounding up to 500,000 undocumented Central American residents and 4,000 American citizens whom the US Attorney General had designated as "national security threats" as part of the secret Continuity of Government program.