Iden is likely from an English surname or place name, often associated with a pasture or valley setting.
Iden is a name of multiple possible origins, which gives it a pleasingly layered history. As a place name, Iden is a village in East Sussex, England, the word deriving from Old English idig-denn meaning "reedy valley" or "pasture among the reeds" — a pastoral, quiet etymology that evokes the English countryside. The surname Iden emerges from this topographic root, and it is through a famous surname bearer that the name first entered literary history: Alexander Iden appears in Shakespeare's Henry VI, Part 2 as the Kentish gentleman who kills the rebel Jack Cade in his garden, a scene of startling domestic violence rendered with Shakespearean irony.
Iden's famous speech about his garden's self-sufficiency has been read as both a celebration of the pastoral ideal and a commentary on the violence lurking beneath it. Iden may also be understood as a variant of Aidan or Aedan, the Irish and Scottish Gaelic names meaning "little fire," derived from the Old Irish Áed. This etymology — fiery, vital, energetic — sits in interesting contrast with the reedy-valley English reading, giving parents different emotional registers to inhabit depending on which lineage they favor.
The name Aidan itself saw a significant revival in English-speaking countries in the late twentieth and early twenty-first centuries, and Iden can be read as a more unusual, visually distinctive variant of that trend. In contemporary usage, Iden has an appealing minimalism — two syllables, clear to pronounce, easy to carry — and its relative rarity makes it feel discovered rather than ubiquitous. It is a name that rewards curiosity.