Surname distribution maps for Ohlsen
Ohlsen in the 1881 Census
Ohlsen in the 21st Century
Sorry, we don't have any stats for the distribution of Ohlsen in the 21st Century.
The maps, if available, show both where there are more people named Ohlsen and where they are most concentrated.
The darker the colour, the more people in that county are named Ohlsen.
The larger the dot, the greater the proportion of people in that county are named Ohlsen.
Hovering over the dots will give you the individual statistics for that county.