This is the 6030th most frequent Swedish word.
julius
"Julius" is a male given name.
In this sentence, 'Julius' is used as a proper noun and refers to the name of a specific cat.
Julius är namnet på min katt.
Julius is the name of my cat.
Here, 'Julius' is used as a proper noun referring to a person whose birthday is being celebrated.
Vi firar Julius födelsedag nästa vecka.
We are celebrating Julius's birthday next week.
In this usage, 'Julius' is part of the historical figure's name, Julius Caesar.