What was Kevin Kline's grandparents name on his mothers side?

Question

There is some suspicion that my mr. Kline's grandmother may be my grandmother's aunt. my grandmother is one Joan Jarris (maiden name Delaney; = "Joan Delaney"). If you have any questions, please email me, or ask on answer.

Answer 1

All I could find out was that Kevin Kline's mother's name is Margaret (Peggy) Delaney and that both of her parents immigrated from County Louth Ireland.