|Died||In 300 AC, at the haunted forest|
A Storm of Swords (appears)|
A Feast for Crows (mentioned)
A Dance with Dragons (appears)
A Storm of Swords
Orphan Oss is a member of the great ranging that leaves Castle Black and the Shadow Tower in search of Benjen Stark and Mance Rayder. He survives the fight at the Fist and is among those who make it back to Craster's Keep. There, he breaks guest right and takes part in the mutiny at Craster's Keep against the Lord Commander of the Night's Watch, Jeor Mormont.
A Feast for Crows
Orphan Oss remains at Craster's Keep after the betrayal, along with a few other former members of the Night's Watch.
A Dance With Dragon
Five mutineers wanders in the haunted forest, planning to head south over the Wall. However, they encounter Coldhands, who kills and buries their bodies, which are found by Summer, Bran Stark's direwolf. It is unknown if Orphan Oss is among them.