Yep. The lyrics for “Sexy Sadie” were originally “Maharishi”.
We gave her everything we
Owned just to sit at her table
Just a smile would lighten everything
Sexy Sadie she’s the
Latest and the greatest of them all.
She made a fool of everyone
According to Vincent Bugliosi in "Helter Skelter", Charley Manson had nicknamed follower Susan Atkins "Sadie" prior to the release of that song. The coincidence constituted proof to his followers that Charley had a special ethereal relationship with group whom they listened to often.