[firebreathingfishies]

Aaron was revealed to be in Kate's care at the end of "Eggtown". He was not yet born when the flight crashed, but the public would consider him a "surviving passenger" of it. He has not been specifically referred to as one of the six, but there are no other viable candidates for the last position.

• • The official ABC promo for "Eggtown" claimed that another member of the Oceanic Six would be revealed in that episode. Since Kate was already semi-confirmed as per "Through the Looking Glass", this could be interpreted as referring to Aaron instead. Furthermore, the ABC promo for "Ji Yeon" claimed that the last of the Oceanic Six would be revealed in that episode, thereby suggesting that all the other members of the group had already been revealed by that point.

• Ben returned to civilization, but he was not on the flight, so even if known to the public he probably would not be considered an Oceanic survivor. ("The Economist") He has not been referred to as one of the six.

• Desmond told Charlie that he had seen a flash of Claire and Aaron getting into a helicopter and leaving the Island, ("Greatest Hits") and Aaron has been seen off the Island, but Claire has not been seen or referred to in any flashforward.