Województwo mazowieckie · 53 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Kubicki | 20 | |
| 2 | Suwała | 20 | |
| 3 | Lewandowski | 14 | |
| 4 | Niedziałkowski | 14 | |
| 5 | Kuciński | 13 | |
| 6 | Ludwicki | 13 | |
| 7 | Maliszewski | 13 | |
| 8 | Sławski | 13 | |
| 9 | Bańka | 7 | |
| 10 | Borkowski | 7 | |
| 11 | Buchalski | 7 | |
| 12 | Chodacz | 7 | |
| 13 | Dańkowski | 7 | |
| 14 | Dec | 7 | |
| 15 | Domański | 7 | |
| 16 | Frontczak | 7 | |
| 17 | Gnatowski | 7 | |
| 18 | Gradowski | 7 | |
| 19 | Gut | 7 | |
| 20 | Jagaczewski | 7 | |
| 21 | Jakubowski | 7 | |
| 22 | Jaśkiewicz | 7 | |
| 23 | Jaskuła | 7 | |
| 24 | Jędrzejewski | 7 | |
| 25 | Jurczak | 7 | |
| 26 | Kamiński | 7 | |
| 27 | Karłowicz | 7 | |
| 28 | Kowalski | 7 | |
| 29 | Krawczyk | 7 | |
| 30 | Kwiatek | 7 | |
| 31 | Marciniak | 7 | |
| 32 | Młotkowski | 7 | |
| 33 | Morawski | 7 | |
| 34 | Motacki | 7 | |
| 35 | Niszczak | 7 | |
| 36 | Olak | 7 | |
| 37 | Osiecki | 7 | |
| 38 | Osowski | 7 | |
| 39 | Ostrowski | 7 | |
| 40 | Praski | 7 | |
| 41 | Rapacki | 7 | |
| 42 | Ryglewicz | 7 | |
| 43 | Sadowski | 7 | |
| 44 | Sulkowski | 7 | |
| 45 | Szmalc | 7 | |
| 46 | Szustecki | 7 | |
| 47 | Szyszka | 7 | |
| 48 | Walecki | 7 | |
| 49 | Warszawski | 7 | |
| 50 | Wysocki | 7 |
Liczby są szacunkowe - informacje o danych.