The name Kerro has no documented meaning in the sources checked.
Cool
Brown, Black, Gold, White, Gray
Any Size
Unisex
Others
K
5 Letters
Means "the sweetheart", from Hawaiian ka, "the", and ipo, "sweetheart"
A surname, from Spanish or Italian bravo
From an irish surname, the anglicised form of ciardha, a patronymic given name
Diminutive of Cornelia and other names starting with Cor