Max Cryer has a very popular radio program on the origin of words and
in the following excerpt he discusses when and why people started
calling their dogs Fido.
Although you dont often hear Fido as a name for someones actual
dog, the name crops up frequently as a general name, referring to
any dog. This came about as an early example of celebrity
identification because Abraham Lincoln had a dog he called Fido. Even
in the days before mass media, television and womens magazine covers,
people were still keen to know all about famous people and in
America, nobody is more famous than the President. Even in 1863, most
of the US population knew their Presidents dog was called Fido and
the name rapidly went into general use to indicate not just his dog,
but any dog.
Lincolns choice of Fido for his dogs name was perfectly logical.
Fido is the Latin for faithful, which when dealing with any pet dog is
According to pet name finder - meanings and origins, the name Fido is
a popular dog name derived from the Latin for faithful.
Behind the Name Website gives the etymology and history of first
names. Here is the result for Fido:
FIDO m English
Means "I am faithful" in Latin.
This name is commonly given to dogs.
Additional information that may interest you:
At the zillion dog names website, your friend is sure to find a name
for his puppy. They have single names, double names, triple names,
official names, matching names and names by country of origin.
origin of name Fido
Fido first used
I hope you find this helpful.