US Popularity Rank: None

Origin: Latin

Meaning: Faithful

Fido is a fabulous boy’s name of Latin origin. Taken from the Latin word fidus, it means “faithful,” instilling a similar sense of loyalty in your already-lovely little one. The name Fido is also pretty popular for pups. Even Abraham Lincoln, the 16th US president, was known to name one of his cuddly companions, Fido. You might have a trusted friend or two, but your tiny tot will be the truest of them all with this gorgeous grace name.