The Baltimore area had been inhabited by Native Americans since at least the 10th millennium BC, when Paleo-Indians first settled in the region. One Paleo-Indian site and several Archaic period and Woodland period archaeological sites have been identified in Baltimore, including four from the Late Woodland period.
European colonists came over and “discovered” the land. Basically taking the land and giving it its own name the first baltimore is Baltimore Ireland
Baltimore: An anglicisation of the Irish phrase Baile an Tí Mhóir (literally “town of the big house”), this Maryland megacity was named for Cecilius Calvert, 2nd Baron Baltimore, a peer in the Irish House of Lords. For some reason this is not taught to kids the city names the street signs it’s all right in our face knowledge is power