Surname distribution maps for Dullaghan
We don't have any stats on how common this name is. This is probably because it's very rare in the UK.
Dullaghan in the 1881 Census
Sorry, we don't have any stats for the distribution of Dullaghan in the 1881 Census.
Dullaghan in the 21st Century
The maps, if available, show both where there are more people named Dullaghan and where they are most concentrated.
The distributions are shown by means of coloured dots centred on the various British counties. The dots relate to the county as a whole, not to any specific location within the county.
For the 1881 census, the counties used are those which existed at the time and were recorded on the census data. For the 21st century stats, the traditional or ceremonial counties are used in order to avoid distortions caused by unitary authority cities.
The darker the colour, the more people in that county are named Dullaghan.
The larger the dot, the greater the proportion of people in that county are named Dullaghan.
Hovering over the dots will give you the individual statistics for that county.