Where does “Snorri” come from?

Snorri (Faroese) comes from Old Norse Snorri, from Old Norse snerra — attack, onslaught.

Ancestry of “Snorri”, step by step

Step	Language	Word	Meaning
1	Old Norse	Snorri	—
2	Old Norse	snerra	attack, onslaught

Snorri — Etymology, Origin & Word History | Etymology Explorer