You will likely find a fallen empire, which regards tomb worlds as sacred, will object to these named planets being colonized. Of course this does depend on whether your map has a chance of having a Fallen Empire, if this empire has not been discovered yet, I don't know what their reaction would be, but usually they threaten to go to war, if you do not agree to abandon the colony.
I make this suggestion as a presumption, because I have seen a Fallen Empire threaten me when I tried to colonize a strangely named Gaia world which didnt correlate to the system name it was in. Evidently the first time I colonized it, I suddenly received dialogue, from said empire, and at the time my pitifult 20k fleet was no match for 1 of their 3 95k fleets.... so I abandoned it