It's always felt like the ultimate boring feminine name to me, respectable, but with no sparkle or personality, the female
Nicholas, if you will.
Katie sounds horrifically wimpy, but also slightly malicious, and definitely immature.
masculine list:
https://www.behindthename.com/pnl/191050/124079feminine list:
https://www.behindthename.com/pnl/191050/124080