The only record referring to them is Mary O'Kane's death certificate:
It seems reasonably certain that they were farmers in the area between Portglenone, Ahoghill and Moneyglass and attended the Augnahoy church.
From the Augnahoy baptismal records for Mary O'Kane and John Lynn's children we see that a number of the witnesses were O'Kanes (note the church records use Kane and O'Kane interchangably):