Guardian of the estate
Estuardo is the Spanish form of the English and Scottish name Stuart. It originally derived from the Old English words 'stig' (house) and 'weard' (guard), referring to an administrative official of a royal household.
Less common today
Estuardo isn't in the latest US Top 1000. It last peaked at #3,450 in 1990.
Renowned Ecuadorian sculptor and painter
Guatemalan politician and military officer
Peruvian politician and former mayor
US births per 5-year period, 1990–present (SSA data).