Koslowski Family History

You can see how Koslowski families moved over time by selecting different census years. The Koslowski family name was found in the USA, and the UK between 1880 and 1920. The most Koslowski families were found in USA in 1920. In 1891 there was 1 Koslowski family living in London. This was 100% of all the recorded Koslowski's in United Kingdom. London had the highest population of Koslowski families in 1891.

Use census records and voter lists to see where families with the Koslowski surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.