Lyam is an Irish name for boys. The meaning is `persistent protector` The name Lyam is most commonly given to French boys. (38 times more often than to American boys.) What do they use in other countries? Liam (Irish) Liame The name sounds like: Lem, Lemmie Similar names are: Lyon, Lyall, Loyal Found on https://www.pregnology.com/names/boys/Lyam