Województwo mazowieckie · 55 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Kurowski | 20 | |
| 2 | Wierzbicki | 16 | |
| 3 | Kołodziejski | 10 | |
| 4 | Dytrych | 7 | |
| 5 | Jabłoński | 7 | |
| 6 | Karp | 7 | |
| 7 | Kołodziejczyk | 7 | |
| 8 | Kwiatkowski | 7 | |
| 9 | Leśnik | 7 | |
| 10 | Rosiński | 7 | |
| 11 | Urbanowski | 7 | |
| 12 | Archacki | 3 | |
| 13 | Bednarski | 3 | |
| 14 | Borudzki | 3 | |
| 15 | Brudnicki | 3 | |
| 16 | Bugajewski | 3 | |
| 17 | Chmielewski | 3 | |
| 18 | Chodkowski | 3 | |
| 19 | Chomka | 3 | |
| 20 | Danowski | 3 | |
| 21 | Faliński | 3 | |
| 22 | Galas | 3 | |
| 23 | Glinka | 3 | |
| 24 | Godlewski | 3 | |
| 25 | Gutowski | 3 | |
| 26 | Indrian | 3 | |
| 27 | Jagodziński | 3 | |
| 28 | Kalwara | 3 | |
| 29 | Kluczek | 3 | |
| 30 | Kociniak | 3 | |
| 31 | Kolaski | 3 | |
| 32 | Kosiński | 3 | |
| 33 | Kowalski | 3 | |
| 34 | Kuciej | 3 | |
| 35 | Kulesza | 3 | |
| 36 | Łojek | 3 | |
| 37 | Machnowski | 3 | |
| 38 | Majorkiewicz | 3 | |
| 39 | Makowski | 3 | |
| 40 | Malczyński | 3 | |
| 41 | Malik | 3 | |
| 42 | Niksiński | 3 | |
| 43 | Parzuchowski | 3 | |
| 44 | Putrzyński | 3 | |
| 45 | Rębosz | 3 | |
| 46 | Rostkowski | 3 | |
| 47 | Skowroński | 3 | |
| 48 | Sokołowski | 3 | |
| 49 | Szymański | 3 | |
| 50 | Truszczyński | 3 |
Liczby są szacunkowe - informacje o danych.