I have not been able to source a quote from the author, but there is an interview which offers some circumstantial evidence that Crowley is indeed named after the famous Occultist.
Actor Mark Sheppard played a character called Crowley in the TV series Supernatural. There is a common presumption among fans of that show that the character was inspired by ...
Crowley wrote a poem called 'The Convert'
There met one eve in a sylvan glade
A horrible Man and a beautiful maid.
“Where are you going, so meek and holy?”
“I’m going to temple to worship Crowley.”
“Crowley is God, then? How did you know?”
“Why, it’s Captain Fuller that told us so.”
“And how do you know that Fuller was right?”
“I’m afraid you’re a wicked ...
I was right about the author, it was just the title being one word off.
It's "The Automatic Girl" by Alesister Crowley, from PDF page 143 of the erotic poetry book, Snowdrops From A Curate's Garden.
The poem is mentioned in only about 261 pages on the internet, according to Google, and isn't mentioned on Wikipedia, so it's not that well known.
There are two puns at work here. One is from earlier in the chapter. Lord Anthony Bowling examines allegedly supernatural phenomena to see whether they are real or faked. He is telling his listeners about how, as part of his research, he once spent some time with a spurious medium and her husband, who claim to be vexed by a poltergeist. The husband tells ...
The Complete Works of Aleister Crowley are available online, linked from the University of Pennsylvania website. I checked the contents list for each of the Volumes I, II, and III, but didn't see anything that looked like "The Mechanical Girl".
The closest possibilities I saw were the poems in Crowley's collection Rodin in Rime, apparently inspired by the ...