Województwo mazowieckie · 52 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Chajęcki | 24 | |
| 2 | Dzwonkowski | 14 | |
| 3 | Kopyt | 14 | |
| 4 | Sawicki | 14 | |
| 5 | Gajownik | 10 | |
| 6 | Grzesikiewicz | 10 | |
| 7 | Gwara | 10 | |
| 8 | Tkaczyk | 10 | |
| 9 | Wrochna | 10 | |
| 10 | Andziak | 5 | |
| 11 | Anuszewski | 5 | |
| 12 | Ber | 5 | |
| 13 | Borman | 5 | |
| 14 | Boryczka | 5 | |
| 15 | Brzeziński | 5 | |
| 16 | Chmielewski | 5 | |
| 17 | Derecki | 5 | |
| 18 | Deresiewicz | 5 | |
| 19 | Dobrowolski | 5 | |
| 20 | Gieleciński | 5 | |
| 21 | Gwardys | 5 | |
| 22 | Ignacak | 5 | |
| 23 | Jastrzębski | 5 | |
| 24 | Kamiński | 5 | |
| 25 | Kłusek | 5 | |
| 26 | Kołodziejczak | 5 | |
| 27 | Korytek | 5 | |
| 28 | Kozicki | 5 | |
| 29 | Królak | 5 | |
| 30 | Kulka | 5 | |
| 31 | Kuryłek | 5 | |
| 32 | Lewandowski | 5 | |
| 33 | Malinowski | 5 | |
| 34 | Musiak | 5 | |
| 35 | Myszkowski | 5 | |
| 36 | Pacuszka | 5 | |
| 37 | Padewski | 5 | |
| 38 | Posiewka | 5 | |
| 39 | Radzyński | 5 | |
| 40 | Rajkowski | 5 | |
| 41 | Regulski | 5 | |
| 42 | Semeniuk | 5 | |
| 43 | Stankiewicz | 5 | |
| 44 | Świerczyński | 5 | |
| 45 | Szczegodziński | 5 | |
| 46 | Szymaniak | 5 | |
| 47 | Trzaski | 5 | |
| 48 | Warzecha | 5 | |
| 49 | Wojtasiński | 5 | |
| 50 | Wołowicz | 5 |
Liczby są szacunkowe - informacje o danych.