A variant of Erin or Arran, linked to island and place-name traditions in the British Isles.
Arryn is a contemporary variant threading together two ancient naming traditions. On one branch it draws from Aaron, the Hebrew name Aharon, whose meaning has been debated for millennia — proposals include 'high mountain,' 'exalted,' and 'messenger,' though no consensus exists. Aaron the brother of Moses is one of the Old Testament's most prominent figures, serving as the first High Priest of Israel, and his name traveled through Greek and Latin into virtually every European language.
On another branch, Arryn echoes Erin, the poetic Gaelic name for Ireland derived from the Old Irish 'Ériu,' one of the mythological matron goddesses of the island. The spelling Arryn pulls the name toward fresh territory. It strips away the theological weight of Aaron and the nationalist specificity of Erin, creating something gender-flexible and distinctly modern.
R. Martin's 'A Song of Ice and Fire' series will also recognize House Arryn of the Eyrie — one of Westeros's great noble houses — lending the name an additional layer of high-fantasy gravitas that has made it quietly appealing to fans of speculative fiction. In contemporary usage, Arryn belongs to a family of names — Aryn, Aerin, Aeryn — that parents choose when they want something phonetically familiar but visually arresting.
The doubled 'r' gives it a slight ruggedness without hardening the name's sound. It is a name poised at an interesting crossroads: ancient roots, medieval literary association, and a thoroughly twenty-first-century sensibility.