Name-wise, just about anything goes, so asking if Clyde could still be a name today isn't very helpful.
For myself, I sure wouldn't want Clyde to be my first name.
"It's one thing to be open-minded and quite another to be so open-minded your brains fall out."--Dear Abby
"Let other people push you around, and you deserve whatever bad things happen after that."--Lauren Bacall