How can you store multiple things in workspace that have the same name in an array?

myTable = {} --Your table.
desiredName = "YourDesiredName" --Your desired name.

for i,v in pairs(game.Workspace:GetChildren()) do --Set up for loop for Workspace's childre.
    if v.Name == desiredName then --Check if the name is the same.
        table.insert(v, myTable) --Insert the instance if the name is the same.
    end
end

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Your question is pretty broad.. but i'll try to help. You should definitely elaborate on what you want.

If you mean that you have an array full of names, and if there's an object in the workspace with a name that matches a name in the array then parent it somewhere else then..

First, you should define the array

local names = {"Thing","Thing1","Thing2","Thing3"}

Then you should iterate through the table, and use an if statement to check if there's a part with the same name in workspace.

for i,v in pairs(names) do
    local obj = workspace:FindFirstChild(v)
    if obj then

And lastly you should store it by parenting it to wherever you want. Here's it all together.

local names = {"Thing","Thing1","Thing2","Thing3"}

for i,v in pairs(names) do
    local obj = workspace:FindFirstChild(v)
    if obj then
        obj.Parent = --Put the parent here
    end
end