1) Welsh boy name 
Gavan is a Welsh name for boys. The meaning is `white falcon` The name Gavan is -as far as we know- only given to American boys. What do they use in other countries? Gavin (English, NAMES_Wels) Gavyn (English) The name sounds like: Cavan, Kavan, Gavyn, Gaven Similar names are: Gahan, Galan, Galvan, Garan, Garvan, Javan, Lavan