Popular Names and Name Trends · International Baby Names · Middle Names, Surnames, and Nicknames
British Nicknames
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About this list
British parents have led the way to the popularity of nicknames that go straight on the birth certificate. Royal baby Archie only helped push this trend to the wider world.
All the nicknames names, short forms, and diminutives here appear among the British Top 200 baby names for girls and boys.
At times, what qualifies as a nickname is a bit uncertain. So we decided Alex is NOT a nickname, but Xander is. Margo is not, but Maggie is.
Some of these British nicknames are making their way to babies in the US.
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The names
Jack
English, diminutive of John
"God is gracious"
Jack may have fallen from its Number 1 place in England, but in the US it's as popular as it was at its height in the 1920s and 1930s. A durable, cheery, everyman form of John, Jack ranks as one of…
Ellie
English, diminutive of Eleanor and Ellen
"bright shining one"
Ellie first took off in the UK—yes, in this nickname form—and this warm and friendly name has also become hugely popular here. In 2011, Ellie entered the US Top 100 girl names for the first time and…
Sadie
Diminutive of Sarah
"princess"
Sadie started as a nickname for Sarah, but their images couldn't be more disparate. Where Sarah is serious and sweet, Sadie is full of sass and fun. Sadie has been soaring in popularity recently and…
Enzo
Italian variation of Heinz or Henry, German, or diminutive form of -enzo names, "estate ruler"
"estate ruler"
Internationally popular, Enzo is a confident and captivating name, playful but down to earth. Similar in sound or style to the likes of Leo, Luca, Eli, and Ezra, and in tune with Mateo, Gabriel, and…
Millie
English diminutive of Mildred or Millicent
"gentle strength; strong in work"
Millie is back. It's a popular name throughout much of the English-speaking world, and broke the US Top 100 in 2024. Millicent would be an appealing long form, but many people are using Millie all by…
Daisy
Diminutive of Margaret or flower name, English
"day's eye"
Daisy, fresh, wholesome, and energetic, is one of the flower names that burst back into bloom after a century's hibernation. In 2024, it burst back into the Top 100 for the first time since 1908.…
Theo
Diminutive of Theodore
"gift of God"
See the popularity graph below for the name Theo? It's been heading straight uphill since 2010, when it hopped back onto the Top 1000 after a 60+ year absence. Now in the Top 100 in this form, Theo's…
Hallie
English
"dweller at the meadow by the manor"
Hallie -- it rhymes with alley and is not to be confused with Halle or Hailey or Holly -- is one of those comfy nicknamish names that are in favor in these complicated times. Hallie's popularity has…
Elsie
Diminutive of Elizabeth via its Scottish variation, Elspeth
"pledged to God"
Elsie is a sweet vintage nickname-name turned modern star. After a 30-year hiatus, Elsie started climbing the US popularity list 20 years ago and is still headed for the top. In its native Britain,…
Bella
Diminutive of Isabella, Italian
"beautiful"
Everything ella, from Ella to Bella to Arabella, is red hot right now. Bella is one of the most, well, beautiful girl names starting with B . It carried a hint of a nice Old World grandmotherly…