68
Bearers
23661.
Rank
male
Gender
Surname distribution by municipality
Number of bearers by municipality across Czechia (source: MV ČR archive, ~2011). Showing the 30 most frequent of 10 municipalities.
Map 1 · distribution of surname Irdza — colour = bearers per 10,000 inhabitants (darker = higher)
| # | Region | Bearers |
|---|---|---|
| 1 | Jihočeský kraj | 29 |
| 2 | Ústecký kraj | 19 |
| 3 | Hlavní město Praha | 7 |
| 4 | Středočeský kraj | 6 |
| 5 | Karlovarský kraj | 4 |
| 6 | Plzeňský kraj | 3 |
| Total CZ | 68 |
| # | Municipality | Bearers |
|---|---|---|
| 1 | Strakonice | 28 |
| 2 | Chomutov | 10 |
| 3 | Praha | 7 |
| 4 | Rakovník | 6 |
| 5 | Žatec | 5 |
| 6 | Sokolov | 4 |
| 7 | Horažďovice | 3 |
| 8 | Louny | 2 |
| 9 | Most | 2 |
| 10 | Písek | 1 |
Historical trend by year of birth
Number of living bearers by year of birth (as of 2011, source: MV ČR archive).
Source: MV ČR – četnost příjmení (archiv) · Data year: 2011