Lavaro /Lavera seem to be fairly common surnames in the province of Reggio Calabria. Here's a lists of those who traveled to the US. Note: You will need a user name and password to access the list but registration is free.
I found this record of a Domenico, born about 1909 arriving in Australia (I used the Australia Archive site). Looks like the surname was Luvera on all the records they have listed..