Here are some given name statistics from the city of Lomza, located in northeastern Poland. My analysis is based on a study of all 13,271 Jewish births recorded in the city of Lomza, Poland, 1827-1886, as extracted from the Lomza civil records, by Michael Tobias.
In the following chart, Polish spellings are used. Spelling variants have been grouped. Double names (e.g. "Sura Ryfka") have been counted twice - once under each name.