Tim was born on April 24th, 1948 in Van Nuys California to John and Barbara O'Brien. Tim married Susan Jones on February 20th 1971 and had 4 children: Casey, Shane, Jennifer, and Shannon. He was a devoted husband, father, and coach. Tim spent a lot of his time coaching baseball, working long hours, but always found time to put his family first. Tim is survived his children, Casey Casillas, Shane O'Brien , Jennifer O'Brien, and Shannon O'Brien; his grandchildren, Emily Casillas, Madeline Casillas, Jared Casillas, Wyatt Casillas, Makenna Ends, Aiden Ends, and Andrew Ruiz; and his brother, Mike O'Brien.
