This could be because she was disguising herself as a “proper lady”, who she sees as having very limited capabilities? I could be grasping at straws, but arrested development also has a character named Maeby, which was a play on words.
In the film “Enola Holmes”(2020), Enola goes by the alias “May Beatrice Posey”, which sounds like “maybe a trick pony”.
This could be because she was disguising herself as a “proper lady”, who she sees as having very limited capabilities? I could be grasping at straws, but arrested development also has a character named Maeby, which was a play on words.