I've had a similar bias. I (unconsciously) assumed that because a cayndidate was older, they naturally have much more experience and should be super impressive.

I've had a similar bias. I (unconsciously) assumed that because a cayndidate was older, they naturally have much more experience and should be super impressive. That is not fair. Evaluate them in comparison to the job requirements and the applicant pool, and don't give them a higher bar just because you imagine they should more awesome.