Aaron Lopez , born Duarte Lopez, was a Portuguese Jewish merchant and philanthropist. Through his varied commercial ventures, he became the wealthiest person in Newport, Rhode Island, in British America. In 1761 and 1762, Lopez unsuccessfully sued the Colony of Rhode Island for citizenship.
Duarte Lopez was born in 1731 in Lisbon, Portugal. He belonged to a family of conversos who professed Catholicism while they continued to practice Judaism in secret. In 1750 Lopez married a woman named Anna, and within two years the couple had a daughter, Catherine.
Source: Wikipedia