Career
He was a Teachta Dála (Territorial Decoration) for thirteen years, and a Senator for five years. After boundary changes for the 1969 general election, he was re-elected in the new Cork South–West constituency, and held the seat at the 1973 general election. He lost his seat at the 1977 general election.
He was then elected to the 14th Seanad Éireann on the Cultural and Educational Panel, and at the 1981 general he regained his Dáil seat from Walsh.
Walsh retook the seat at the February 1982 general election, following which Crowley stood in the Seanad elections on the Cultural and Educational Panel. Crowley was then nominated by Haughey to the 16th Seanad.
Crowley did not contest the November 1982 general election. Crowley died suddenly at his home in Bandon on 16 May 1997, aged 62.