Declining since 2018, #9,714 for boys today.
Popularity of Thielen since 2018
Babies named Thielen per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 2010s | 55 |
| 2020s | 64 |
Meaning & origin
Thielen is an uncommon masculine given name that first appeared on U.S. birth certificates in 2018. In its brief history, it reached a peak rank of 9,714 in 2025, but has shown a falling trajectory since its first recorded year. With roughly 1 in 244,011 boys receiving the name, it remains a rare choice. The name's top states are not available in the data, reflecting its sparse distribution. Thielen likely evolved from a German or Dutch surname, following a pattern of surname adoption as first names in the United States.
Thielen is a rare modern masculine given name that appears to have been adapted from a surname. The surname Thielen is of German and Dutch origin, a patronymic from the personal name Thiel, a short form of names beginning with Theod- (people). Its emergence as a first name in the United States dates only to 2018. The name has never been common, and its usage may be influenced by the visibility of individuals bearing the surname.
Sibling names for Thielen
Names that share Thielen's style, for a brother or sister.
