Leaf

Etymology 1
From the personal names  and, both from.

Statistics

 * According to the 2010 United States Census, Leaf is the 10,358th most common surname in the United States, belonging to 3,111 individuals. Leaf is most common among white (86.08%) individuals.

Etymology 2
From leaf.

Noun

 * 1)  A Canadian person.
 * 2)  A member of the  hockey team, its organization, or its supporters.
 * 3) A model of car built by Nissan, with a name chosen for its green connotations.