The Total column shows the total number of people in that county or town with this surname.
For example, there were 7 people called PURSLEY in Linchmere 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 2.0231 in Linchmere means that
2.0231% of the people in Linchmere on census day were called PURSLEY.
The Index column shows the relative probability of finding someone called PURSLEY
in this county or town, 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 PURSLEY as if you picked at random from the whole of the UK.
Where the index is higher than 1, then you are more likely to find someone called PURSLEY here
than if you picked from the UK as a whole, and where 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 PURSLEY here than in the UK as a whole, and 10 would make it ten times as likely.
The value of 11,666.67 in Linchmere means that you are 11,666.67 times as likely to find
someone with the surname of PURSLEY in Linchmere than you would be in the whole of the UK.