Województwo mazowieckie · 64 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Fijałkowski | 14 | |
| 2 | Adaszewski | 10 | |
| 3 | Gromadka | 10 | |
| 4 | Irek | 10 | |
| 5 | Dondziłło | 7 | |
| 6 | Godlewski | 7 | |
| 7 | Jeziorkowski | 7 | |
| 8 | Miazga | 7 | |
| 9 | Pawłowski | 7 | |
| 10 | Affek | 3 | |
| 11 | Andrzejak | 3 | |
| 12 | Babecki | 3 | |
| 13 | Balcerowski | 3 | |
| 14 | Bartosiński | 3 | |
| 15 | Bińkowski | 3 | |
| 16 | Boniecki | 3 | |
| 17 | Bykowski | 3 | |
| 18 | Cichecki | 3 | |
| 19 | Dąbkowski | 3 | |
| 20 | Dubicki | 3 | |
| 21 | Dutkiewicz | 3 | |
| 22 | Dyrkacz | 3 | |
| 23 | Fąfara | 3 | |
| 24 | Franiewski | 3 | |
| 25 | Górecki | 3 | |
| 26 | Grzybek | 3 | |
| 27 | Janiszewski | 3 | |
| 28 | Kaczanowski | 3 | |
| 29 | Kalinowski | 3 | |
| 30 | Karaszewski | 3 | |
| 31 | Kilijan | 3 | |
| 32 | Kołodziejski | 3 | |
| 33 | Kozakiewicz | 3 | |
| 34 | Kropielnicki | 3 | |
| 35 | Kujawski | 3 | |
| 36 | Kur | 3 | |
| 37 | Kwieciński | 3 | |
| 38 | Łucarz | 3 | |
| 39 | Malec | 3 | |
| 40 | Matusiak | 3 | |
| 41 | Mierzejewski | 3 | |
| 42 | Ocipka | 3 | |
| 43 | Pietruszka | 3 | |
| 44 | Pobóg-Radałowicz | 3 | |
| 45 | Pokora | 3 | |
| 46 | Puguniec | 3 | |
| 47 | Sikorski | 3 | |
| 48 | Sitek | 3 | |
| 49 | Sopiński | 3 | |
| 50 | Sotomski | 3 |
Liczby są szacunkowe - informacje o danych.