Meaning and name origin
Lief \lief\ as a boy's name is of Scandinavian origin, and the meaning of Lief is "heir; loved". Lief is a variant of Leif (Scandinavian): according to Norse legend, the Viking Leif Ericson landed his longboat on American shores some 500 years before Columbus arrived.
Lief is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Lief and its source form. The only popular variation form ranked in the Top 1000/100 is Leif (#998). (2014 statistics).