|Full name:||Ira Blair|
|Manner of Death:||Glitching|
|Significant Other/s:||Susan Duncan (lover)|
|Family:|| Susan Duncan (adoptive mother/lover)|
|Portrayed by:||Ari Millen|
|First appearance:||"The Stigmata of Progress"|
|Latest appearance:||"Manacled Slim Wrists"|
Not much is known about Ira's history. However, we do know that some time after the fire that was believed to have killed Susan and Ethan Duncan , Susan adopted the then four year old Ira to raise as her own. Ira works closely with Susan in her research to find treatments for both sets of clones, including Charlotte Bowles.
|Season 4 appearances|
|The Collapse of Nature||Transgressive Border Crossing||The Stigmata of Progress||From Indistinct to Rational Control||Human Raw Material|
|The Scandal of Altruism||The Antisocialism of Sex||The Redesign of Natural Objects||The Mitigation of Competition||From Dancing Mice to Psychopaths|
|Season 5 appearances|
|The Few Who Dare||Clutch of Greed||Beneath Her Heart||Let the Children and Childbearers Toil||Ease For Idle Millionaires|
|Manacled Slim Wrists||Gag or Throttle||Guillotines Decide||One Fettered Slave||To Right the Wrongs of Many|
- When asked by Mark Rollins how Virginia Coady chose who would leave with Susan, she informs him she "drew straws".
- Ira's name is the first name of the person who portrays him (Ari Millen), only backwards.