There are an estimated 502 people named Guilherme alive worldwide today. That ranks Guilherme at #16160 globally, with the highest concentrations in United States.
In the United States, Guilherme is held by approximately 502 people, ranking #16160 among first names. That works out to roughly 0 per 100,000 Americans (or 1 in 661,155 U.S. residents).
Historically Guilherme is used overwhelmingly as a male name (100.0% male).
Guilherme appears in birth records going back to 1880. Use the chart below to see how its popularity has changed across decades, and the surname section to find common pairings.