Letterio was an "impiegato doganale" (customs officer)
Giuseppe was an architect, and yes, I read his wifes surname "Arrosto".
But remember that surnames may change in time, and are there can be miswritings.
Have you found the "allegati"?

I read "Lisi"

What town, exactly?

I believe it's a boy
Look at the difference between how "filium" is written here, and how "filiam" (both shortened cutting the "m") is written in the second and third record.
Filippo Antonino Giovanni, son of Mariano and Anna Colletto (actually written "Culletto").

Jan 1st, 1735
Groom: Filippo Colletto, never married, son of deceased Mariano and living Anna, from this town
Bride: Maria Palazzo (this must be her surname after first marriage), widow of deceased Biagio, daughter of deceased Domenico, and living Filippa Lisi (this must be Maria's maiden surname ...

Hello, Mary, I'm fine!
I was on holiday last week, riding my bike to Slovenia.
Moreover, my "colleagues" are much faster than me, that's why you don't read me!!

Hello, Mary!
Apr 7th, 1710
Groom: Antonino Fasciana, son of deceased Gaetano and Caterina (?) Fasciana, from this town, never married
Bride: Anna Timpa, daughter of deceased Luciano, and living Giovanna Timpa, from this town, never married

Do you know something more about the spouses? That might help the search.

Do you have Rosa's birth record?

It often happened that immigrants didn't know when they were exactly born, or declared different dates. In this case, their children had the date written on the stone, and it was even more likely that didn't know when their mother was born.
However, the marriage record says she was 21 in 1882, so ...

Image 1060 (from the Church of San Giovanni Maggiore in Naples)
Baptism of Domenico Giosuè Giovanni, son of Marco Caccioppoli and Emanuele Attanasio, spouses, living in ???
Baptized by Don Giovanni Riccio, midwife Orsola Di Donato

This is not a marriage record, but the request of banns for the marriage of

Pietrantonio Belsito, 29 years old, never married, labourer, born and residing in Bonnici, son of Vincenzo, deceased labourer, and of Maria Quintieri, both from Bonnici

Mariantonia Ferrante, 29 years old, never married ...

Yes, but my search for a previous marriage failed.

Vito and Eva had a child in 1817:

https://www.familysearch.org/ark:/61903 ... DG?lang=it

I could not find their marriage in 1811-12-15-16-17 in Serre
Marriages of 1813-14 are missing

Also Matteo's marriage is not in Altavilla in years 1854-55-58-59-65
Intermediate years are missing.

Hello!
There's no trace of his death in the years 1924-1928
Later registers are not available online.