Milesio \m(i)-le-sio\ as a boy's name is a variant of Melesio (Spanish, Greek), and the meaning of Milesio is "careful, attentive".
The baby name Milesio sounds like Melecio, Melasio and Miles. Other similar baby names are Ailesh, Maleki, Manasio, Meliseo, Melicio, Melacio, Michio, Myles, Milo, Mills and Miltie.