Crowson was the son of former Shelby County District Court presiding judge Al Crowson and his wife, Barbara. He grew up watching his father in court and graduated from Pelham High School. He completed a bachelor's degree in political science at Jacksonville State University in 1996. He went on to complete a law degree at the Birmingham School of Law in 2000 and was a founding partner of the firm of Crowson, Morrison & Spann.
Crowson was hired as a prosecutor for the cities of Vincent and Montevallo in the mid 2000s, and presided over the Calera Municipal Court as judge beginning in 2010. He was elected to the District Court in 2015. He was re-elected in 2020.
- Robinson, Carol (February 15, 2022) "Shelby County Judge Danny Crowson dies after brief illness." The Birmingham News
- "Daniel "Danny" Alford Crowson, Jr" obituary (February 17, 2022) dignitymemorial.com