The migration of Crypto-Jews from Spain and Portugal to France, England, Germany, and the overseas Spanish and Portuguese empires has been well documented. Numerous studies have discussed the communities that were established by former Conversos.
To my knowledge, little mention however, has been made of Conversos finding safety in Ireland. The following article by Carl Hoffman from Esra Magazine discusses this very issue.
Posted by Rabbi Juan Bejarano-Gutierrez, the director of the B’nei Anusim Center for Education, and author of What is Kosher?