“Some researchers have postulated that Columbus was of Iberian Jewish origins. The linguist Estelle Irizarry, in addition to arguing that Columbus was Catalan, also claims that Columbus tried to conceal a Jewish heritage.[82] In “Three Sources of Textual Evidence of Columbus, Crypto Jew,”[83] Irizarry notes that Columbus always wrote in Spanish, occasionally included Hebrew in his writing, and referenced the Jewish High Holidays in his journal during the first voyage.”
See:
https://www.google.co.uk/amp/s/www.myjewishlearning.com/article/destination-the-new-world/amp/
https://en.m.wikipedia.org/wiki/Origin_theories_of_Christopher_Columbus#Catalan-Jewish_hypothesis
