This is a list of surnames in which the usage is French; and the meaning contains the keyword tree.
Chastain FrenchFrom Old French
castan "chestnut tree" (Latin
castanea), a name for someone who lived near a particular chestnut tree, or possibly a nickname for someone with chestnut-coloured hair.
Fay 1 French, EnglishReferred to a person who came from various places named Fay or Faye in northern France, derived from Old French
fau "beech tree", from Latin
fagus.
Poirier FrenchMeans
"pear tree" in French, originally a nickname for someone who lived close to such a tree.