Województwo mazowieckie · 49 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Borowy | 9 | |
| 2 | Chodkowski | 9 | |
| 3 | Łojewski | 9 | |
| 4 | Obidziński | 9 | |
| 5 | Ostrowski | 5 | |
| 6 | Czerski | 3 | |
| 7 | Gajda | 3 | |
| 8 | Ambroziak | 2 | |
| 9 | Bloch | 2 | |
| 10 | Boguszewski | 2 | |
| 11 | Duda | 2 | |
| 12 | Galiński | 2 | |
| 13 | Gugała | 2 | |
| 14 | Hryniewicz | 2 | |
| 15 | Kalwajtys | 2 | |
| 16 | Kamiński | 2 | |
| 17 | Karsznia | 2 | |
| 18 | Kraszewski | 2 | |
| 19 | Krauze | 2 | |
| 20 | Kumkowski | 2 | |
| 21 | Piasecki | 2 | |
| 22 | Prolan | 2 | |
| 23 | Rasimowicz | 2 | |
| 24 | Sztejter | 2 | |
| 25 | Warszawski | 2 | |
| 26 | Wilczewski | 2 | |
| 27 | Wiszniewski | 2 | |
| 28 | Wojtkiewicz | 2 | |
| 29 | Zajkowski | 2 | |
| 30 | Bajson | 1 | |
| 31 | Banaszek | 1 | |
| 32 | Baraszkiewicz | 1 | |
| 33 | Brodowski | 1 | |
| 34 | Chlaściak | 1 | |
| 35 | Dębek | 1 | |
| 36 | Furga | 1 | |
| 37 | Grzebalski | 1 | |
| 38 | Kalbarczyk | 1 | |
| 39 | Kibilski | 1 | |
| 40 | Kowalski | 1 | |
| 41 | Kozuń | 1 | |
| 42 | Maj | 1 | |
| 43 | Majewski | 1 | |
| 44 | Potera | 1 | |
| 45 | Potyra | 1 | |
| 46 | Seredyn | 1 | |
| 47 | Spytek | 1 | |
| 48 | Szewczyk | 1 | |
| 49 | Wasiłek | 1 |
Liczby są szacunkowe - informacje o danych.