34
Bearers
39819.
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 11 municipalities.
Map 1 · distribution of surname Trn — colour = bearers per 10,000 inhabitants (darker = higher)
| # | Region | Bearers |
|---|---|---|
| 1 | Jihomoravský kraj | 17 |
| 2 | Zlínský kraj | 5 |
| 3 | Olomoucký kraj | 5 |
| 4 | Hlavní město Praha | 3 |
| 5 | Karlovarský kraj | 2 |
| 6 | Plzeňský kraj | 1 |
| 7 | Liberecký kraj | 1 |
| Total CZ | 34 |
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