Puno ime: Louis William Tomlinson
Nadimci: Lou, Tommo, Boobear
Rođendan: 24. decembar 1991.
Iz: Doncaster, South Yorkshire
Visna: 174 cm
Težina: 68 kg
Porodica:
Troy (tata)
Johanna "Jay" Tomlinson (mama)
Mark Tomlinson (očuh)
Charlotte "Lottie" Tomlinson (sestra)
Félicité "Fizzy" Tomlinson (sestra)
Daisy Tomlinson (sestra)
Phoebe Tomlinson (sestra)
Ljubavni život:
Eleanor Calder (djevojka)
Hannah Walker (bivša djevojka)