Beverley Nichols mentioned in one of his books that his Hungarian neighbours had a cat called Cica — Hungarian for "cat". Hungarian-born photographer Suzanne Szasz also named her cat Cica.
Used to be the case for the Sun, as well as the Solar System, but terminology has changed, and The Sun is now a proper name for a specific star, and the generic term for a system of planets orbiting a star is now "star system." While other stars can still be referred to poetically as "distant suns," they're usually called by their proper names (e.g. Alpha Centauri, Sirius, HD 206250).
George Foreman owned a dog named Doggo.
As unoriginal as this looks, at least it's more original than the names he gave his five sons (all named George).
Mariah Carey owned a Jack Russell terrier named "Jack".
Many monotheists express loyalty to a god they call "God". Jehovah's Witnesses are notable for being Christians that avert this.
There is a shopping mall in St. Matthews, Kentucky, originally named The Mall. To distinguish it from other shopping malls in the area, it was sometimes specified as The Mall in St. Matthews. Its official name is now Mall St. Matthews.
There was also a shopping mall called The Mall in Kuala Lumpur, Malaysia. It has since changed it's name to Putra Place when a new management took over though.
A common girl's name is Colleen, the English spelling of Cailin, the Irish for Girl.
Same in Greek: Kore (the derived form Cora is much more common)
Pueblo, Colorado. "Pueblo" means "town" in Spanish.
Equineline.com lists at least three racehorses which are named simply "The Horse" or just "Horse".
1982's Kentucky Derby winner combines the "name an animal something it isn't" subversion with a Bilingual Bonus. His name was Gato del Sol, which in Spanish means "The Sun Cat."
There's a republic, in central Africa. It's called the Central African Republic. Blame the French.
The ancient Romans combined this trope with misogyny when naming their daughters. If your family's name was Julius, your son would get three fancy names like Gaius Julius Caesar. Your daughter would only get the feminine of the family name—"Julia". If you had more than one daughter they'd get numbers: Julia Primera, Julia Secunda..."Girl Child #1, Girl Child #2"....