Województwo mazowieckie · 55 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Jankowski | 20 | |
| 2 | Kobyliński | 15 | |
| 3 | Chmielewski | 13 | |
| 4 | Borowski | 10 | |
| 5 | Lewandowski | 10 | |
| 6 | Linowski | 10 | |
| 7 | Pawłowski | 10 | |
| 8 | Siemiątkowski | 10 | |
| 9 | Soja | 10 | |
| 10 | Bonisławski | 8 | |
| 11 | Fabisiak | 8 | |
| 12 | Mikołajewski | 8 | |
| 13 | Miller | 8 | |
| 14 | Nadratowski | 8 | |
| 15 | Olzacki | 8 | |
| 16 | Zakrzewski | 8 | |
| 17 | Ablewski | 5 | |
| 18 | Bielecki | 5 | |
| 19 | Cackowski | 5 | |
| 20 | Cholewiński | 5 | |
| 21 | Dawid | 5 | |
| 22 | Drozdowicz | 5 | |
| 23 | Drzewoszewski | 5 | |
| 24 | Dymek | 5 | |
| 25 | Franciszkiewicz | 5 | |
| 26 | Gawłowski | 5 | |
| 27 | Goczewski | 5 | |
| 28 | Gregorowicz | 5 | |
| 29 | Iwaniak | 5 | |
| 30 | Kaczmarski | 5 | |
| 31 | Kalinowski | 5 | |
| 32 | Klemarczyk | 5 | |
| 33 | Kłosowski | 5 | |
| 34 | Kotarski | 5 | |
| 35 | Krzyżewski | 5 | |
| 36 | Kuciński | 5 | |
| 37 | Kwiatkowski | 5 | |
| 38 | Ławicki | 5 | |
| 39 | Lencki | 5 | |
| 40 | Lipczyński | 5 | |
| 41 | Lubomski | 5 | |
| 42 | Majewski | 5 | |
| 43 | Marcinkowski | 5 | |
| 44 | Mazurek | 5 | |
| 45 | Mazurowski | 5 | |
| 46 | Mikołajczyk | 5 | |
| 47 | Pieniążek | 5 | |
| 48 | Popis | 5 | |
| 49 | Prusek | 5 | |
| 50 | Przybyliński | 5 |
Liczby są szacunkowe - informacje o danych.