Aidynn is of Irish origin, derived from the ancient name Aedán, which means 'little fire'. It is composed of two elements: 'aed', meaning 'fire', and '-ann', a diminutive suffix. This name has been used in Ireland for centuries and was borne by several early Irish saints. The variant spelling Aidín is also found. In recent years, Aidynn has begun to gain popularity as a unique choice for a first name.
Aidynn has had a fluctuating number of births over the years, with peaks in 2010 and 2014 (10 and 17 births respectively) and valleys in 2008 and 2016 (6 and 5 births). Despite some variations, there has been an overall increase in the popularity of this name from 2008 to 2014. However, it seems that its usage has started to decline again since 2015.