It means "voyager":
BEATRIX f English,
GermanPronounced: BEE-a-triks
From Viatrix, a feminine form of the Late Latin name Viator which meant "voyager, traveller". The spelling of the name was altered by association with Latin beatus "blessed". This was the name of a 4th-century saint who was strangled to death after her brothers were beheaded.
Here are names that mean "blessed"/"lucky"/"happy"/"joy":
BeataBenedicta /
Bettina (2)
EdinaEdmunda - See
Edmund for meaning
Edrica - See
Edric for meaning
Fortunata - See
Fortunato for meaning
GwendaWendyFelicity /
FeliciaZeldaGay /
Gaye - In the 1800s, "gay" meant "happy" (still does, actually) and didn't have the association of "homosexual"
MehetabelCharaLetitia /
LetticeAbigailAlizaFarahJoyHappyRowena
Hope this helps!
Miranda