Surname distribution maps for Casto
We don't have any stats on how common this name is. This is probably because it's very rare in the UK.
Casto in the 1881 Census
Casto in the 21st Century
Sorry, we don't have any stats for the distribution of Casto in the 21st Century.
The maps, if available, show both where there are more people named Casto and where they are most concentrated.
The darker the colour, the more people in that county are named Casto.
The larger the dot, the greater the proportion of people in that county are named Casto.
Hovering over the dots will give you the individual statistics for that county.