The phrase "silly name" refers to a name that is funny or unusual. It is used when someone thinks a person's name sounds silly or strange. Full definition
There are a lot of mysterious things, people, and places with silly names — none of them ever really explained — at play here. (markreviewsmovies.com)
The slightly silly name aside, this product delivers excellent relief for your baby's behind. (wetheparents.org)
My 3 - year - old niece is very interested in dramatic play and she had a great time one afternoon pretending to make «silly» animals with very silly names. (pregnancymagazine.com)