Vaill \va(i)-ll\ as a boy's name is a variant of Vail (Old English), and the meaning of Vaill is "valley".

The baby name Vaill sounds like Vaile, Vale, Val, Vali and Will. Other similar baby names are Gaill, Baily, Bail, Vasily, Vasili, Vasile, Bill, Kaile, Kail, Caile, Caily, Chill, Daily, Daile, Gaile, Gaille, Gail, Gaell, Gall, Gill, Haily, Hall, Hill, Neill, Pall, Sail, Savill, Sill, Till and Verill.