Famous bearers include the Welsh poet Dylan Thomas (1914-1953) and the American musician Bob Dylan (1941-), real name Robert Zimmerman, who took his stage surname from the poet's given name. Due to those two bearers, use of the name has spread outside of Wales in the last half of the 20th century. It received a further boost in popularity in the 1990s due to a character on the television series Beverly Hills 90210.
As an English Christian name, Isaac was occasionally used during the Middle Ages, though it was more common among Jews. It became more widespread after the Protestant Reformation. Famous bearers include the physicist and mathematician Isaac Newton (1643-1727) and the science-fiction writer Isaac Asimov (1920-1992).
As an English given name, Matthew has been in use since the Middle Ages. It became popular throughout the English-speaking world around the middle of the 20th century, ranked near the top of the popularity lists for boys in the 1980s and 90s. A notable bearer was the American naval officer Matthew C. Perry (1794-1858), who led an expedition to Japan. Famous modern bearers include the actors Matthew Broderick (1962-), Matthew McConaughey (1969-) and Matthew Perry (1969-2023).
The popularity of the saint led to the name being used by nine Byzantine emperors, including Michael VIII Palaeologus who restored the empire in the 13th century. It has been common in Western Europe since the Middle Ages, and in England since the 12th century. It has been borne (in various spellings) by rulers of Russia (spelled Михаил), Romania (Mihai), Poland (Michał), and Portugal (Miguel).
In the United States, this name rapidly gained popularity beginning in the 1930s, eventually becoming the most popular male name from 1954 to 1998. However, it was not as overwhelmingly common in the United Kingdom, where it never reached the top spot.
Famous bearers of this name include the British chemist/physicist Michael Faraday (1791-1867), musician Michael Jackson (1958-2009), and basketball player Michael Jordan (1963-).
This was the name of kings of England, Serbia, and Poland, as well as ten popes. It was also borne by the first Christian king of Hungary (11th century), who is regarded as the patron saint of that country. More recent bearers include British physicist Stephen Hawking (1942-2018) and the American author Stephen King (1947-).