Guglielmo
Meaning
resolute protector, Italian form of William; Guglielmo Marconi, inventor of practical radio transmission
Popularity, 1890–2024
Shape drawn from US Social Security baby-name records. Guglielmo peaked in the 2020s.
Keep exploring
Does Guglielmo fit YOUR family?
nametree reads your family’s names and finds the ones that belong — free, private, everything runs on your device.
Grow your family’s name tree →