Episode 1 is named after The Witching Hour, the first book in the series.
Author Anne Rice passed away on December 11th, 2021 at the age of 80. Prior to her death, she had actively worked to bring her "Immortal Universe" to life, and as such, is posthumously credited as an executive producer on the series.
Anne Rice's son, Christopher Rice, serves as an executive producer on the series.
The character of Ciprien Grieve is unique to the continuity of the television series. He is an amalgamation of two characters from the book series, Michael Curry and Aaron Lightner.
Mayfair Witches is the first new series of the horror genre to begin airing in 2023.