Województwo mazowieckie · 41 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Cichocki | 12 | |
| 2 | Klekowicki | 12 | |
| 3 | Kobuszewski | 12 | |
| 4 | Lencki | 12 | |
| 5 | Leonarczyk | 12 | |
| 6 | Rajkowski | 12 | |
| 7 | Wiśniewski | 12 | |
| 8 | Jakubowski | 10 | |
| 9 | Rusin | 10 | |
| 10 | Traczyk | 10 | |
| 11 | Adamkiewicz | 6 | |
| 12 | Biegański | 6 | |
| 13 | Bilicki | 6 | |
| 14 | Borowski | 6 | |
| 15 | Chorzewski | 6 | |
| 16 | Drozdowski | 6 | |
| 17 | Gapiński | 6 | |
| 18 | Goc | 6 | |
| 19 | Górecki | 6 | |
| 20 | Jasiński | 6 | |
| 21 | Kalinowski | 6 | |
| 22 | Kopczyński | 6 | |
| 23 | Lemanowicz | 6 | |
| 24 | Nowakowski | 6 | |
| 25 | Olszewski | 6 | |
| 26 | Pyrzak | 6 | |
| 27 | Słupski | 6 | |
| 28 | Staniszewski | 6 | |
| 29 | Turbacz | 6 | |
| 30 | Wiączek | 6 | |
| 31 | Adamski | 5 | |
| 32 | Domżalski | 5 | |
| 33 | Fronczak | 5 | |
| 34 | Giżyński | 5 | |
| 35 | Kordek | 5 | |
| 36 | Kowalski | 5 | |
| 37 | Markowicz | 5 | |
| 38 | Nadratowski | 5 | |
| 39 | Racki | 5 | |
| 40 | Tomporowski | 5 | |
| 41 | Ziembicki | 5 |
Liczby są szacunkowe - informacje o danych.