The Total column shows the total number of people in that county or town with this surname.
For example, there were 11,130 people called HAMMELL in Crook Billy Row 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 233.9181 in Crook Billy Row means that
233.9181% of the people in Crook Billy Row on census day were called HAMMELL.
The Index column shows the relative probability of finding someone called HAMMELL
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 HAMMELL 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 HAMMELL 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 HAMMELL here than in the UK as a whole, and 10 would make it ten times as likely.
The value of 11.13 in Crook Billy Row means that you are 11.13 times as likely to find
someone with the surname of HAMMELL in Crook Billy Row than you would be in the whole of the UK.