There is a fair amount of evidence that the owl is the chief symbol of an elite yet undiscovered secret society moving through history. In this article we’ll examine this evidence and uncover the lineage of this secret society. We’ll also learn how the magic, majestic, and nocturnal owl actually symbolizes an ancient self-empowerment doctrine once known and practiced worldwide.
https://www.richardcassaro.com/uncovering-the-secret-owl-society/
But if you notice, OP mentions an owl as something he associated with Harry Potter.
And he should, really. They included an owl on the movie poster along with Boaz and Jachin...
https://fffmovieposters.com/wp-content/uploads/73931.jpg
And they did this for its symbol to the elite, not because it was a major focus of the plot.
No, they did it because owl merch sells like gangbusters
You think that isn't set up by design? You got to dig on Owls as a symbol, my dude.