Fallon

What does Fallon mean?

Fallon is an Irish surname name with an assured, modern sound. It ultimately comes from the old Irish personal name Fallamhan, linked to follamhnus, meaning supremacy or leadership.

For a girl, Fallon feels bold and polished rather than traditionally frilly. Its crisp opening and soft ending give it a confident, adaptable quality, while its Irish heritage adds depth behind the contemporary style.

Historical Context

Fallon developed as an anglicised form of the Irish surname Ó Fallamháin, meaning descendant of Fallamhan. Fallamhan was an early Irish personal name associated with follamhnus, a word for supremacy or leadership. Like many Irish surnames, Fallon later moved into use as a given name, particularly in English-speaking countries, where it is now used for girls as well as boys.

Popularity of Fallon over time

In 2025, Fallon was given to 349 girls in the US. Fallon has risen sharply over the last 20 years, and is now an uncommon girls' name in the US.

What do parents think of Fallon?