Updated June 9, 2019 Share: Boy name origins & meanings English : Certain, valley of trees Boy name variations Eudall Eudall 0 % this year Masculine Rare Find out more Udahl Udahl 0 % this year Masculine Rare Find out more Udawl Udawl 0 % this year Masculine Rare Find out more Yudall Yudall 0 % this year Masculine Rare Find out more Family name origins & meanings English : habitational name from Yewdale in Lancashire, so named from Old English īw ‘yew tree’ + Old Norse dalr ‘valley’.