Województwo mazowieckie · 50 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Mierzejewski | 35 | |
| 2 | Białobrzeski | 17 | |
| 3 | Jaskólski | 12 | |
| 4 | Liżewski | 12 | |
| 5 | Łukasik | 12 | |
| 6 | Osajda | 12 | |
| 7 | Zajkowski | 12 | |
| 8 | Ambroziak | 6 | |
| 9 | Bacławski | 6 | |
| 10 | Bielacki | 6 | |
| 11 | Blat | 6 | |
| 12 | Bobiński | 6 | |
| 13 | Dawidczyk | 6 | |
| 14 | Dobkowski | 6 | |
| 15 | Gumkowski | 6 | |
| 16 | Kamiński | 6 | |
| 17 | Krak | 6 | |
| 18 | Krupiński | 6 | |
| 19 | Kwiatkowski | 6 | |
| 20 | Olkowski | 6 | |
| 21 | Sagała | 6 | |
| 22 | Wójcik | 6 | |
| 23 | Żerański | 6 | |
| 24 | Budek | 2 | |
| 25 | Chmielewski | 1 | |
| 26 | Cichaczewski | 1 | |
| 27 | Dąbrowski | 1 | |
| 28 | Dziełakowski | 1 | |
| 29 | Garlej | 1 | |
| 30 | Graczyk | 1 | |
| 31 | Jankowski | 1 | |
| 32 | Kobyliński | 1 | |
| 33 | Kopoński | 1 | |
| 34 | Krawczyński | 1 | |
| 35 | Łebkowski | 1 | |
| 36 | Listkowski | 1 | |
| 37 | Marciniak | 1 | |
| 38 | Ostrowski | 1 | |
| 39 | Pawlak | 1 | |
| 40 | Pietrzak | 1 | |
| 41 | Rakowiecki | 1 | |
| 42 | Reczulski | 1 | |
| 43 | Rutkowski | 1 | |
| 44 | Rydzewski | 1 | |
| 45 | Sawicki | 1 | |
| 46 | Sobecki | 1 | |
| 47 | Szurmak | 1 | |
| 48 | Walczak | 1 | |
| 49 | Więckowski | 1 | |
| 50 | Zaorski | 1 |
Liczby są szacunkowe - informacje o danych.