Fun!
Staying with the Gaul-names,
Lommy should be
Penguinix, of course. But if we could took her as a Roman she should be
Diluvia Borealia or with an anglisised version of it (as the translators of Asterix tend to go for):
Flodentia.
Child should be
Mater Paternalia (in a positive sense of it) or then just
Bella Organisatorix