Family name origins & meanings
- Spanish : apparently a variant of the habitational name Cerrato or a habitational name from Serrato in Málaga.
- Catalan (Serrató) : topographic name for someone who lived by a low hill, from a diminutive of serrat.
- Southern Italian : apparently from serrato ‘closed’, ‘shut’, but more likely a topographic name related to Serra or Serrata.