Where does the Rodriguez name come from?

Rodriguez is a very popular last name in Spanish countries
the last name Rodriguez came from the name "Rodrigo"

Rodrigo was one of Columbus sailors and he was the one in charge to observed to see if they found land

when Rodrigo saw land he scram "Tierra" meaning land
so he was the first man from Europe that saw the new world

When they got back to Spain many people started changing their last name to Rodriguez because they wanted to be related to Rodrigo

that's why Rodriguez is a popular name in Spanish speaking countries because many people changed their last name.