"She's the goddess of love, health and abundance and things like that.
"When I hear about the other Isis, I did think about changing the name but the childish side of me thought 'no, I had it first'," she said.
"What really clinched it for me was when I was watching a TV show a few weeks ago called Secrets of the Bible. They said on there that Isis was to the ancient Egyptians what Mary is to Christians so I thought, 'Nah, I'm keeping it'."
Miss Hotton has had to explain the source of her business name a number of times since the militant Isis became a household name, but said everyone she told had "understood totally".
She said after a Christchurch newspaper ran a story about another business called Isis that changed its name, she had received an email from a man congratulating her for sticking to her guns.
"That was so nice, it really made my day. I've got a really basic website, but on it there's a photo of me and it's fairly obvious I'm not a terrorist walking around with a machine gun."