The Total column shows the total number of people in that county or town with this surname.
For example, there were 220 people called ROSSELL in Barkham 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 2500.0000 in Barkham means that
2500.0000% of the people in Barkham on census day were called ROSSELL.
The Index column shows the relative probability of finding someone called ROSSELL
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 ROSSELL 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 ROSSELL 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 ROSSELL here than in the UK as a whole, and 10 would make it ten times as likely.
The value of 0.22 in Barkham means that you are 0.22 times as likely to find
someone with the surname of ROSSELL in Barkham than you would be in the whole of the UK.