It was actually probably created in French first, and then borrowed into English around the 16th Century. It was created to distinguish between the two sounds of the letter i, which was pronounced as both a vowel and a consonant.
It is just how it is. Perhaps J is a common letter.
It depends on what language you are talking about. In English, the letter X is least used for first names.
Some family names that begin with the letter A are: Abbott, Adams, Anderson, Armstrong, Andrews, and Agee.
M
K
An "uppercase" letter is also called a "capital" letter. These are the letters used at the beginning of a sentence or the first letter of proper nouns (names of people and places). The uppercase/capital letters in English are:ABCDEFGHIJKLMNOPQRSTUVWXYZUppercase letters are the opposite of the lowercase letters, which are:abcdefghijklmnopqrstuvwxyz
LIVERPOOL
ahmed amir
Names that begin with the letter G:GeorgeGaryGraceGregGeraldineGrantGrahamGillGilbertGracieGreer
Ivana Trump
Street names that begin with the letter O:OakOakdaleOakleyOatOceanOgdenOhioOliverOntarioOrchardOregonOverbrookOwlOxfordOzark
Boy names that begin with the letter L:LanceLaneLarryLawrenceLeeLeifLeighLeoLeonLeonardLeroyLesLesterLewisLincolnLionelLloydLorenzoLucianLukeLymanLlywelynLewys
Names that begin with the letter K are:KaitlinKaraKarenKarinaKarlaKassieKateKatherineKathyKatieKatilynnKatlynKatrinaKatyKaylaKeithKellyKelseyKelsiKelvinKenKennedyKennethKentKerrieKevinKiaraKimberlyKirkKirstenKirtKitKristinKrystalKyleKellieKeenankeiran
Some famous people whose first names begin with the letter "I" include: Issa Rae, Idris Elba, Ian Somerhalder, and Isla Fisher.
Amy Adams
Some street names that begin with the letter I:IdahoIllinoisIndependenceIndiaIndigoIndianaIndustrial ParkInglewoodIonaIowaIreneIronIroquoisIrvingIrwinIsabellaIvanIvanhoeIvoryIvy
Boy names that begin with H:haleHankHaroldHarrisonHarryHarveyHaydenHeathHectorHenryHerbertHermanHoraceHoratioHowardHubertHughHugoHunter
Abigail Adams