He founded the successful Cork-based publishing house Mercier Press in 1944 and served as its managing director.
In 1946, he published This Tremendous Lover by Dom Eugene Boylan which sold over a million copies.
In the 1960s he launched a successful range of paperbacks on Irish literature, culture, religion and history.
[2] In 1972, Feehan wrote Tomorrow To Be Brave which recounted his wife’s life and death by cancer.
[citation needed] He appeared as himself in the made-for-TV documentary on Michael Collins, The Shadow of Beal na blath (1991).