Województwo mazowieckie · 40 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Olszewski | 11 | |
| 2 | Kiliś | 6 | |
| 3 | Drzazgowski | 3 | |
| 4 | Wrzosek | 3 | |
| 5 | Dylewski | 2 | |
| 6 | Pietrzak | 2 | |
| 7 | Roman | 2 | |
| 8 | Tokarski | 2 | |
| 9 | Wróblewski | 2 | |
| 10 | Wysocki | 2 | |
| 11 | Chmurski | 1 | |
| 12 | Cychowski | 1 | |
| 13 | Fabisiak | 1 | |
| 14 | Franczyk | 1 | |
| 15 | Garstka | 1 | |
| 16 | Gąsiorowski | 1 | |
| 17 | Godlewski | 1 | |
| 18 | Jasnowski | 1 | |
| 19 | Kamiński | 1 | |
| 20 | Kostewicz | 1 | |
| 21 | Kowalski | 1 | |
| 22 | Królak | 1 | |
| 23 | Krzyczkowski | 1 | |
| 24 | Lipowski | 1 | |
| 25 | Malinowski | 1 | |
| 26 | Mazurkiewicz | 1 | |
| 27 | Menich | 1 | |
| 28 | Michnowski | 1 | |
| 29 | Michnowski-Gisleberg | 1 | |
| 30 | Rączka | 1 | |
| 31 | Salwowski | 1 | |
| 32 | Sekutowicz | 1 | |
| 33 | Seroczyński | 1 | |
| 34 | Śmietański | 1 | |
| 35 | Suski | 1 | |
| 36 | Szymański | 1 | |
| 37 | Wisniewski | 1 | |
| 38 | Żabowski | 1 | |
| 39 | Zawadzki | 1 | |
| 40 | Żmijewski | 1 |
Liczby są szacunkowe - informacje o danych.