Catherine, called Kate by the family, was born in 1842 in Irish Town, near Clarence Town. She worked on the family farm at Mill Creek before the move to the Macleay. She took over the role of tending the cows and acting as vet when they were sick.
Kate married James William Hayes, brother of Mary Ann Hayes and Sarah Menary. Kate and James were publicans of the Shamrock Hotel at Smithtown for many years, raising their four children.
Kate died in 1920 and James died in 1930.