Jack & Jill Shower Question...

The couple most likely didn't mean anything by it, they probably thought they would point out where the groom registered and where the bride registered in case a guest is closer to one or the other. And with co-ed showers rising in popularity, maybe they were trying to be funny with the groom actually registering for "manly" gifts. Definitely just bring one gift- scan both registries and see what is your price point.

One gift. I would probably get on hers and get something they can use

As far as I am concerned, the COUPLE is registered at 2 places. This functions the same as any other time a couple has 2 registries, you get to pick where you want to shop. If they say anything you can certainly point out that co-ed shower and female only showers and both the same in that they are showers for the couple to set up their life together (it's not like at female only showers the bride gets new shoes and makeup). This is still about setting up the couple as a couple. It's not a joint birthday party where they would both need a gift. Heck, if they can't share they probably shouldn't be getting married! The only real difference with a co-ed shower is that the guys join in on the fun of the *party*, not that they get double gifts.

I've never heard of gift registry for a jack and Jill I've always known them as fundraisers with ticket sales and raffles. If this isn't that kind of event I'd think that one gift for both would be sufficient.