Województwo mazowieckie · 60 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Olkowski | 15 | |
| 2 | Bartosiński | 10 | |
| 3 | Franiewski | 10 | |
| 4 | Hajduk | 10 | |
| 5 | Kostka | 10 | |
| 6 | Kowalski | 10 | |
| 7 | Krężołek | 10 | |
| 8 | Woźniak | 10 | |
| 9 | Andrzejewski | 5 | |
| 10 | Astrau | 5 | |
| 11 | Atliński | 5 | |
| 12 | Boński | 5 | |
| 13 | Cackowski | 5 | |
| 14 | Choroś | 5 | |
| 15 | Cieślak | 5 | |
| 16 | Dabrowski | 5 | |
| 17 | Dąbrowski | 5 | |
| 18 | Dudziak | 5 | |
| 19 | Dylewski | 5 | |
| 20 | Dyniewicz | 5 | |
| 21 | Dytkowski | 5 | |
| 22 | Falencki | 5 | |
| 23 | Ferenc | 5 | |
| 24 | Fial-Szczebel | 5 | |
| 25 | Fijołek | 5 | |
| 26 | Gawryś | 5 | |
| 27 | Gęgniewicz | 5 | |
| 28 | Gogacz | 5 | |
| 29 | Gozdek | 5 | |
| 30 | Grochowski | 5 | |
| 31 | Guzanek | 5 | |
| 32 | Iwański | 5 | |
| 33 | Jędrzejewski | 5 | |
| 34 | Kolb | 5 | |
| 35 | Kordek | 5 | |
| 36 | Kozłowski | 5 | |
| 37 | Krawczyk | 5 | |
| 38 | Lachowicz | 5 | |
| 39 | Mączka | 5 | |
| 40 | Mandziuk | 5 | |
| 41 | Nałęcz | 5 | |
| 42 | Norberciak | 5 | |
| 43 | Potrzuski | 5 | |
| 44 | Roszczyk | 5 | |
| 45 | Rudowski | 5 | |
| 46 | Rutkowski | 5 | |
| 47 | Sadowski | 5 | |
| 48 | Sajkowski | 5 | |
| 49 | Serafin | 5 | |
| 50 | Skrajna | 5 |
Liczby są szacunkowe - informacje o danych.