Województwo mazowieckie · 52 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Muszyński | 27 | |
| 2 | Szymański | 26 | |
| 3 | Baranowski | 15 | |
| 4 | Czarnacki | 15 | |
| 5 | Grabowski | 15 | |
| 6 | Kowalczyk | 15 | |
| 7 | Kaszubski | 14 | |
| 8 | Skowroński | 10 | |
| 9 | Broniszewski | 9 | |
| 10 | Kapuściński | 9 | |
| 11 | Kolasiński | 9 | |
| 12 | Kowalski | 9 | |
| 13 | Rębas | 9 | |
| 14 | Rybicki | 9 | |
| 15 | Wiśniewski | 9 | |
| 16 | Bączek | 8 | |
| 17 | Bartosiewicz | 8 | |
| 18 | Ciszewski | 8 | |
| 19 | Fabisiak | 8 | |
| 20 | Gołębiewski | 8 | |
| 21 | Kalata | 8 | |
| 22 | Krzymowski | 8 | |
| 23 | Niszcz | 8 | |
| 24 | Pietrak | 8 | |
| 25 | Rogala | 8 | |
| 26 | Rowicki | 8 | |
| 27 | Starzyński | 8 | |
| 28 | Błaszczyk | 7 | |
| 29 | Budziński | 7 | |
| 30 | Cichocki | 7 | |
| 31 | Fuminkowski | 7 | |
| 32 | Gutral | 7 | |
| 33 | Krzyżanowski | 7 | |
| 34 | Kurdubski | 7 | |
| 35 | Kwiatkowski | 7 | |
| 36 | Lewandowski | 7 | |
| 37 | Mroczkowski | 7 | |
| 38 | Nęcki | 7 | |
| 39 | Nowak | 7 | |
| 40 | Urbański | 7 | |
| 41 | Zimróz | 7 | |
| 42 | Bojarski | 3 | |
| 43 | Burnus | 3 | |
| 44 | Dawid | 3 | |
| 45 | Karwacki | 3 | |
| 46 | Olszewski | 3 | |
| 47 | Rosa | 3 | |
| 48 | Rulka | 3 | |
| 49 | Stefański | 3 | |
| 50 | Szczepański | 3 |
Liczby są szacunkowe - informacje o danych.