There should be no bookmark. Either map the like titled controls http://gregmaxey.com/word_tip_pages/...rol_tools.html
or use
 With ActiveDocument 
        .SelectContentControlsByTitle("Name").Item(1).Range.Text = InputBox("Name?") 
.SelectContentControlsByTitle("Name").Item(2).Range.Text = InputBox("Name?") 
.SelectContentControlsByTitle("Name").Item(3).Range.Text = InputBox("Name?") 
.SelectContentControlsByTitle("Name").Item(4).Range.Text = InputBox("Name?") 'etc. 
        .SelectContentControlsByTitle("Name2").Item(1).Range.Text = InputBox("Name2?") 
         '....
    End With