What was the real name of the possessed boy in the case of The Exorcism of Roland Doe?

Question

A. John Smith
B. David Johnson
C. Roland Doe
D. The boy's real name remains undisclosed

Answer 1

D. The boy's real name remains undisclosed

The true identity of the possessed boy in the case that inspired "The Exorcism of Emily Rose" and "The Exorcist" was never publicly revealed. He was known pseudonymously as "Roland Doe" in order to protect his privacy.