go by the name of...
go by the name (of)
To use the specific name (that is then stated). My daughter Margaret has now decided that she goes by the name Calliope. I'm looking for a man who goes by the name of Whitaker. Do you know him?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
go by the name of...use a name that may not be your real one: Although she was born Mary Jones, she now goes by the name of Natasha, which she feels is more appropriate to her glamorous image.
Farlex Partner Idioms Dictionary © Farlex 2017