Father O'Leary is a real person portrayed by Adrian Hough in the TV series Billy the Kid (based on a true story).
In the first episode they appeared in, titled The Immigrants (season 1), they were 46 years old.
They appear in 1 episodes out of a total of 15 aired so far
Episodes1
The Immigrants
episode S1.E1 april 2022It's 1871. 12-year-old Billy McCarty and his immigrant Irish family have to leave New York and travel west to seek new opportunities. But the journey proves fatal for some.