In "The Three Musketeers" by Père Alexandre Dumas, Athos is one of the titular characters, his name deriving from the village of Athos in the commune Athos-Aspis.
In the United States it became more common for girls in the early 1980s, shortly after the debut of the television sitcom The Facts of Life (1979-1988), which featured a character named Blair Warner. The name left the American top 1000 rankings two decades later, but was resurrected by another television character, this time Blair Waldorf from the series Gossip Girl (2007-2012).
Though the etymology is unrelated, this is the name of a mountain on the island of Crete where, according to Greek myth, the god Zeus was born.
As a given name it has increased in popularity starting from the 1980s, likely because it is viewed as a full form of Max [1].
Olivia has been used in the English-speaking world since the 18th century, though it did not become overly popular until the last half of the 20th century. Its rise in popularity in the 1970s may have been inspired by a character on the television series The Waltons (1972-1982) [2] or the singer Olivia Newton-John (1948-2022). In 1989 it was borne by a young character on The Cosby Show, which likely accelerated its growth. It reached the top rank in England and Wales by 2008 and in the United States by 2019.
A famous bearer was the British-American actress Olivia de Havilland (1916-2020).
As an English name, Zoe (sometimes with a diaeresis as Zoë) has only been in use since the 19th century. It has generally been more common among Eastern Christians (in various spellings).