Claim: Mollie Hunter's debut Patrick Kentigern Keenan was published in 1963, but a version was never published in the U.S.
Evidence: Maureen Mollie Hunter McIlwraith (30 June 1922 – 31 July 2012) was a Scottish writer known as Mollie Hunter. Hunter's debut was Patrick Kentigern Keenan, published by Blackie and Son in 1963 with illustrations by Charles Keeping. In the U.S. it was published in 1963 as The Smartest Man in Ireland.