This page contains some statistical analysis from the 1881 Census, showing the frequency of surnames. It is interesting to see how many of these top names are mentioned within this website; many of them became prominent businessmen or tradesmen.
Top surnames in Belper from the 1881 British Census
Top surnames by total occurrences Top surnames by population index
The Total column shows the total number of people in that county or town with this surname. For example, there were 189 people called SMITH in Belper at the time of the 1881 census.
The Frequency column shows the percentage of people in this county or town with this surname. For example, a frequency of 2.1315 in Belper means that 2.1315% of the people in Belper on census day were called SMITH.
The Index column shows the relative probability of finding someone called SMITH in Belper, compared with the probability of finding them anywhere in Britain as a whole.
An index of 1 means that if you pick someone at random from this county or town, you have exactly the same probability of picking someone called SMITH a if you picked at random from the whole of the UK. If the index is higher than 1, then you are more likely to find someoen called SMITH here than if you picked from the UK as a whole, and if it's lower then you are less likely.
The actual figure shows the level of probability - for example, a figure of 2 would indicate that you are twice as likely to find someone called SMITH here than in the UK as a whole, and 10 would make it ten times as likely. The value of 1.5096 in Belper means that you are 1.5096 times as likely to find someone with the surname of SMITH in Belper than you would be in the whole of the UK.