I saw the MORASCHINI, there were MORASCHINIs in WESTERN AUSTRALIA, I found two Carlo's there, both appear to have been too old, as I recall one was born about 1890 - buried KARRAKATTA cemetery.
There was unassisted immigration entries to VICTORIA for MORACHINELLI & MORASSEI.
You may have to purchase the marriage certificate and decipher the surname spelling.

Surname: MORASSEI
Given Names: CARLO
Ship: CYCLONE
Month: AUG
Year: 1858
Age: 19
Code: B
Fiche: 149
Page: 002

Surname: MORACHINELLI
Given Names: CARLO
Ship: RED JACKET
Month: APR
Year: 1860
Age: 20
Code: B
Fiche: 176
Page: 005

Surname: MORACHINELLI
Given Names: AND
Ship: RED JACKET
Month: APR
Year: 1860
Age: 26
Code: B
Fiche: 176
Page: 005