Following on from the girls' list, here is a sample of some boys' names that were used 50 times or fewer in England & Wales in 2023 (the latest data set).
Full ONS data service here.
Abe
Abner
Ainsley
Alden
Alec
Alvin
Ambrose
Anders
Anderson
Andre
Ansel
Anton
Arnold
Arrow
Artie
Ash
Ashley
Auden
Augustus
Axl
Bartholomew
Basil
Beck
Benji
Bernard
Blaine
Brady
Bram
Brandon
Brendan
Brooks
Bruce
Byron
Callan
Calvin
Carl
Caesar
Cecil
Cedric
Chance
Clark
Claude
Clifford
Clive
Colin
Conall
Conan
Conrad
Cormac
Craig
Curtis
Cyril
Damon
Dario
Darren
Daryl
Deacon
Dean
Derek
Desmond
Digby
Donnie
Dorian
Duncan
Dustin
Eben
Edgar
Emile
Ephraim
Errol
Euan
Eugene
Evander
Everett
Fenn
Ferdinand
Finnian
Florian
Fox
Gabe
Gael
Gareth
Gavin
Gene
Gideon
Glenn
Gordon
Gray
Gregory
Griffin
Gus
Guy
Heath
Horace
Howard
Huey
Jared
Jeremy
Jerome
Jethro
Joaquin
Jonty
Jules
Julius
Justin
Kamal
Keith
Kelvin
Kenneth
Kieran
Lance
Landon
Lawson
Lee
Leopold
Leroy
Lionel
Lloyd
Luther
Lyle
Malcolm
Marius
Marlon
Marvin
Melvin
Mitchell
Montague
Moses
Murray
Ned
Neil
Nelson
Oak
Obi
Oren
Paxton
Percival
Peregrine
Perry
Phineas
Pierce
Pierre
Preston
Quentin
Quincy
Reed
Rhett
Roland
Ronald
Roscoe
Ross
Russell
Saul
Scott
Shane
Silas
Simeon
Sol
Soren
Sterling
Stuart
Sully
Sutton
Sylvester
Tanner
Terence
Thorin
Tyrell
Vince
Wade
Warren
Wilf
Willoughby
Wilson
Zeke