What does Oak mean?
Oak [oak] as a name for boys is an Old English name, and the meaning of the name Oak is "near the oak trees; meadow of oak trees". Oak is an alternate spelling of Oakes (Old English): place name. Oak is also a form of Oakley (Old English).
(male) Orak, Osak, ..
(female) Oata, Ote, .. Middle name pairings:
Oak Adiel (O.A.), ..
How popular is Oak?
Oak is a rare first name for men but a very popular last name for both adults and children (#25006 out of 150436, Top 17%). (2000 U.S. Census)
Which version is better?with its source forms and related boy names. Oakley (#567 in recent rankings) is the only popular variation form of Oak (not in Top 2000). Other forms, like Oakly, are uncommon. This form of Oak was popular as a birth name in 2015. (Top 2000 Names, 2015)