Gardell \g(a)-rde-ll, gar-dell\ as a boy's name is a variant of Gardner (Middle English), and the meaning of Gardell is "keeper of the garden".
The baby name Gardell sounds like Cardell, Cardelle, Cordell and Kordell. Other similar baby names are Wardell, Ardell, Cadell, Caddell, Carnell, Carvell, Gorrell, Jordell, Martell, Mardel and Verdell.