Question: how to change baby name on sims 3 ps3?
Answer: You can change your Sim's name at the City Hall. User Info: Francis_Nerrrrr. ... 
Load your game, Then open the console (CTRL+SHIFT+C) and type "CAS.fulleditmode" (without the quotes). ( Shift + left click) your sim then click Modify in CAS. ... 
If on xbox then go to town map and click on city hall and click change name.