Aidan
Aidan or Aiden is a modern version of a number of Celtic language names, including the Irish male given name "Aodhán", the Scottish Gaelic given name Aodhàn and the Welsh name Aeddan. Phonetic variants, such as spelled with an ‘e’ instead of an ‘a’, have become more prevalent in generations following the 19th century Irish Great Migration. The Irish language female equivalent is "Aodhnait". Etymology and spelling. The name is derived from the name "Aodhán", which is a pet form of "Aodh". The personal name "Aodh" means "fiery" and/or "bringer of fire" and was the name of a Celtic  sun god (see Aed). Formerly common only in Ireland, Scotland and Wales, the name and its variants have become popular in England, the United States, Canada, and Australia. In the 2010's, "Aiden" rose to the 13th most popular name in the United States as the given name to 129,433 boys while "Aidan" ranked 156th as the given name to 25,399 boys. In the 2000's, "Aiden" was 54th most popular name in the United States as the given name to 83,527 boys while "Aidan" ranked 55th having been bestowed on 76,493 boys. Other variants are a bit less popular , such as "Hayden" 87th, "Ayden" 156th, "Aden" 333rd, "Aydan" 808th, and "Aydin" 960th, according to the United States Social Security Database. "Aidan/Aiden" was the most popular boys' name in Canada in 2007. Its popularity is also reflected in the occurrence of similar-sounding names such as Braden, Caden, Hayden, and Jayden. "Aidan" (or any reasonable variant) as a girl's name does not appear in the top one thousand names for girls from the same database, although it has occasionally been used for girls.