Województwo mazowieckie · 49 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Nowakowski | 28 | |
| 2 | Brodowski | 17 | |
| 3 | Grzybowski | 17 | |
| 4 | Ogrodniczak | 11 | |
| 5 | Rutkowski | 11 | |
| 6 | Wiśniewski | 11 | |
| 7 | Zieliński | 11 | |
| 8 | Brzozowski | 6 | |
| 9 | Buczkowski | 6 | |
| 10 | Cecelski | 6 | |
| 11 | Chłopski | 6 | |
| 12 | Ciarkowski | 6 | |
| 13 | Cichocki | 6 | |
| 14 | Ciosek | 6 | |
| 15 | Ciuliński | 6 | |
| 16 | Czachowicz | 6 | |
| 17 | Filipkowski | 6 | |
| 18 | Gruczyk | 6 | |
| 19 | Jankowski | 6 | |
| 20 | Joachimowicz | 6 | |
| 21 | Kalisz | 6 | |
| 22 | Kanigowski | 6 | |
| 23 | Kowalczyk | 6 | |
| 24 | Koziczyński | 6 | |
| 25 | Krysztofiak | 6 | |
| 26 | Kuczborski | 6 | |
| 27 | Kuskowski | 6 | |
| 28 | Laskowski | 6 | |
| 29 | Łebkowski | 6 | |
| 30 | Łukowski | 6 | |
| 31 | Majewski | 6 | |
| 32 | Matusiak | 6 | |
| 33 | Nadratowski | 6 | |
| 34 | Ossowski | 6 | |
| 35 | Piotrowski | 6 | |
| 36 | Prorok | 6 | |
| 37 | Rólkiewicz | 6 | |
| 38 | Sawicki | 6 | |
| 39 | Siemiątkowski | 6 | |
| 40 | Skibiński | 6 | |
| 41 | Sobczyński | 6 | |
| 42 | Szulecki | 6 | |
| 43 | Szumański | 6 | |
| 44 | Wernik | 6 | |
| 45 | Winnicki | 6 | |
| 46 | Zacek | 6 | |
| 47 | Zacharski | 6 | |
| 48 | Żaczek | 6 | |
| 49 | Żebrowski | 6 |
Liczby są szacunkowe - informacje o danych.