Some modern baby name sources interpret imogen as meaning beloved child, based on a speculative derivation from greek-sounding elements:Inno (interpreted as beloved) and gen (meaning.Imogen, pronounced im-uh-jen, entered the english record through shakespeare's 1611 drama cymbeline, where a likely printer's slip turned innogen—thought to echo the old irish inghean,.The name imogen is of celtic origin and means beloved child or maiden. it is derived from the gaelic word inghean, which means daughter. imogen is a feminine name that carries a sense of.The name imogen is of celtic origin and is believed to have originated from the old irish name innogen or innoguine, which has been interpreted to mean maiden or girl.