CAHlLL, AUSTIN MURRAY IV. Austin Cahill passed away on Thursday, June 25th, 2020. The only child of Austin Murray Cahill III and Edith Kate (Kay) Isbell Cahill, Austin was born June 25th, 1981. Austin grew up and lived in Cahaba Heights in Vestavia Hills and graduated from Shades Valley High School. Austin was preceded in death by his parents. He leaves behind many loving friends and relatives. A memorial service will be held at a later date. In lieu of flowers, please send a memorial donation to your local Humane Society.