Województwo mazowieckie · 50 różnych nazwisk.
| Lp. | Nazwisko | Liczba osób | |
|---|---|---|---|
| 1 | Krysiak | 15 | |
| 2 | Łuczak | 15 | |
| 3 | Łykowski | 10 | |
| 4 | Alabrudziński | 5 | |
| 5 | Bregier | 5 | |
| 6 | Brząkalski | 5 | |
| 7 | Chrobot | 5 | |
| 8 | Ciećwierz | 5 | |
| 9 | Dobies | 5 | |
| 10 | Figiel | 5 | |
| 11 | Gańko | 5 | |
| 12 | Garwacki | 5 | |
| 13 | Glonek | 5 | |
| 14 | Jarzębowski | 5 | |
| 15 | Jaśniewicz | 5 | |
| 16 | Jezierski | 5 | |
| 17 | Kępczyński | 5 | |
| 18 | Kijek | 5 | |
| 19 | Kozieł | 5 | |
| 20 | Kruszewski | 5 | |
| 21 | Kujawa | 5 | |
| 22 | Leonidow | 5 | |
| 23 | Machnacki | 5 | |
| 24 | Majchrowski | 5 | |
| 25 | Majewski | 5 | |
| 26 | Maksjan | 5 | |
| 27 | Małowiejski | 5 | |
| 28 | Masztakowski | 5 | |
| 29 | Mierzejewski | 5 | |
| 30 | Nowogórski | 5 | |
| 31 | Ogieniewski | 5 | |
| 32 | Opała | 5 | |
| 33 | Orysiak | 5 | |
| 34 | Pachniewski | 5 | |
| 35 | Pacholec | 5 | |
| 36 | Patrowicz | 5 | |
| 37 | Petrykowski | 5 | |
| 38 | Piątek | 5 | |
| 39 | Popławski | 5 | |
| 40 | Rumiński | 5 | |
| 41 | Śmiałecki | 5 | |
| 42 | Szperber | 5 | |
| 43 | Szymański | 5 | |
| 44 | Szymkiewicz | 5 | |
| 45 | Tomaszewski | 5 | |
| 46 | Więckiewicz | 5 | |
| 47 | Woźniak | 5 | |
| 48 | Wróblewski | 5 | |
| 49 | Wyszyński | 5 | |
| 50 | Zgierski | 5 |
Liczby są szacunkowe - informacje o danych.