You will need to post a closeup of the leaves for any hope of ID.

My bad. forgot to include these

Very good. Now you need a holly nerd to stop by.

First is American holly, the second Chinese.

American hollies are slow-growing, but they can eventually reach 30' or more after many decades. Never transplanted/planted any of the size of yours, so don't know how they would fare. Transplanting these would not be easy....

Yes, first is Ilex opaca. Second some type of Ilex cornuta. The cornuta could be a volunteer seedling, because there are a number of less thorny cornuta cultivars.

Thanks. The American Holly is about 7 feet tall and the Chinese Holly is about 5.5 ft tall. I highly doubt either were planted where they are. We have many hollies in our area so most likely seedlings from them. If I don't move them now I will eventually have to cut them down anyway so I guess it's worth a shot?

They are growing in cramped spaces

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says who .. and are you sure you cant deal with other things to give them more space ... how about a pic of the overall site.. if you want to discuss that ...

free range seedlings find and use the space they find ... im wondering if you just have some preconceived notions of them??? .. why do you need to force your aesthetic on them ...

and if you have deer ... and they dont bother them ... perhaps they are filling other uses ... in other words.. dont open up a big hole in your scape.. and then struggle to fill it for other reasons ...

ken

A ruler said so.. The American Holly is about 3 feet (trunk to trunk) away from a 30 foot Japanese Cedar. The other Holly is sandwiched up against 2 camelia bushes and another giant Holly bush... all under the canopy of 50-60 foot maple.

Like bird poop from above.