I've had Next parcels from women. But most delivery persons do tend to be male.

I did once have a girl deliver my Amazon package and my mail "man" lol is a lady🙂

I think our Amazon packages are almost always delivered by guys. Pizza I think there have been one or two female deliverers over the years. I guess something about the job attracts guys/deters females (unless there's a bias on the employers' part), maybe something about the fact that it's constant activity and going out in into the world. Men are (generally, of course) the more active of the sexes, women the more passive.

Yup

It's maybe 75% guys for me, I did have a gorgeous woman bring me chicken shwarma the other day, 9/10 would split a pita with her

I don't get deliveries enough to answer this, but the only women delivery persons that I've seen were postwomen (who also deliver packages). Other than that, no

The only delivery people I see that are majority women is from Instacart, GrubHub is kinda 50/50 men and women.