The Total column shows the total number of people in that county or town with this surname.
For example, there were 3,365 people called SILLERY in Honiton 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 1891.8919 in Honiton means that
1891.8919% of the people in Honiton on census day were called SILLERY.
The Index column shows the relative probability of finding someone called SILLERY
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 SILLERY 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 SILLERY 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 SILLERY here than in the UK as a whole, and 10 would make it ten times as likely.
The value of 3.37 in Honiton means that you are 3.37 times as likely to find
someone with the surname of SILLERY in Honiton than you would be in the whole of the UK.