Posted these over in Lyrae's mod:

This is what I've currently got added:
+HavenFirstName=Cromwell
+HavenFirstName=Markievicz
+HavenFirstName=Louverture
+HavenFirstName=Tone
+HavenFirstName=Bolivar
+HavenFirstName=De Miranda
+HavenFirstName=Hidalgo
+HavenFirstName=Asantewaa
+HavenFirstName=Ramona
+HavenFirstName=Kosciuszko
+HavenFirstName=Condorcanqui
+HavenFirstName=Havel
+HavenFirstName=Masada
+HavenFirstName=Horatius
+HavenFirstName=Leonidas
+HavenFirstName=Boudica
+HavenFirstName=Guevara
+HavenFirstName=Garibaldi
+HavenFirstName=Dayan
+HavenFirstName=Herrera
+HavenFirstName=Phadke
+HavenFirstName=Sakay
+HavenFirstName=Bongjun
+HavenFirstName=Bochkareva
+HavenFirstName=O'Higgins
+HavenFirstName=Paez

+HavenSecondName=Crag
+HavenSecondName=Spire

+SlumsFirstName=Blade
+SlumsFirstName=Reek
+SlumsFirstName=Shade
+SlumsFirstName=Tin Pan
+SlumsFirstName=Tribulation

+SlumsSecondName=Maze
+SlumsSecondName=Pit

Got a lot of those revolutionary names from this mod - http://www.nexusmods.com/xcom2/mods/629/