Holdyn is an English name for boys and girls. The meaning is `deep valley` The name Holdyn is -as far as we know- only given to American boys. What do they use in other countries? Holden (English) Found on https://www.pregnology.com/names/mixed/Holdyn
1) English boy name 
Holdyn is an English name for boys and girls. The meaning is `deep valley` The name Holdyn is -as far as we know- only given to American boys. What do they use in other countries? Holden (English)