Sigrid vs Thea
Sigrid and Theacompared on official birth-registration statistics and Namewise's recorded data. This page states what each name's record shows — it never picks a winner or scores one name against the other.
Head to head
Ranks are only compared within one published list and one year. Two ranks from different years, from a boys' and a girls' list, or from different registrars are not comparable, so they are not placed side by side.
Norway · Girls
In 2025, Sigrid was ranked #42 and Thea #50 among girls in Norway.
England and Wales · Girls
In 2024, Sigrid was ranked #2574 and Thea #66 among girls in England and Wales.
Sigrid and Thea over time
Sigrid and Thea appear together in 1 published list, across 63 years of shared records. Thea held the stronger position in more years in 1 of them, Sigrid in 0.
In none of those lists did their order change and stay changed.
Thea reached its own highest recorded position earlier in 1 of those lists, and Sigrid in none. Each position is a place inside its own list, so this compares when they peaked and never how high.
Counted list by list. Two names in the same published list are measured on the same scale in the same year, so those comparisons are real — but positions from different lists are not, so nothing here is combined into an overall standing.
How this pair is related
The relationship kinds these two qualify for, each under its own stated rule. Every one is drawn from a list they both appear in.
- Repeatedly exchanged positions
Sigrid and Thea changed places 6 times in Norway · Girls between 1950 and 2025, ending at #42 and #50.
- Longest-running competitions
Sigrid and Thea were both ranked in Norway · Girls for 63 years, from 1950 to 2025, ending at #42 and #50.
List by list
Norway · Girls63 shared years, 1950–2025
Sigrid held the stronger position in 25 of those years, Thea in 38.
Highest recorded here: Sigrid #29 in 2018, Thea #1 in 2006.
The order between them never changed and held in this list.
Most recent shared year, 2025: Sigrid #42, Thea #50.
Two names moving past each other in a ranking is a fact about the ranking. Namewise does not claim one name displaced the other, that families chose between them, or that either influenced the other — none of that is in this data.
Side by side
| Field | Sigrid | Thea |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Editorially researched profile |
| Gender usage | female | female |
| Meaning | Not yet recorded | A short form of Dorothea, Theodora, Theresa and other similar-sounding Greek-rooted names. |
| Origin | Not yet recorded | Greek (via Germanic/Scandinavian transmission) |
| Pronunciation | /ˈteː.a/ | |
| Syllables | 2 | 1 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | GB-ENW, NO | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO, NZ |
| Most recent popularity observation | Norway · Girls #42 (2025) | Norway · Girls #50 (2025) |
| Pronunciation clarity (demonstration score) | Not yet recorded | 90/100 |
| Spelling simplicity (demonstration score) | 88/100 | 95/100 |
| International familiarity (demonstration score) | 60/100 | 100/100 |
| Data Confidence | medium | medium |
What the data shows
- Thea has a recorded origin (Greek (via Germanic/Scandinavian transmission)); Sigrid does not have one recorded yet.
- Sigrid has 2 syllables, compared with 1 for Thea.
- A meaning is recorded for Thea; Sigrid doesn't have one written yet.
- Both names have recorded usage in GB-ENW, NO.
How each name got here
Sigrid
Popularity journey
First recorded1945
First recorded at #69 among girls in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1945–2025
Highest recorded position: #29 among girls in Norway, in 2018 (recorded 1945–2025).
Norway · Girls
Most recent2025
Most recently recorded at #42 among girls in Norway, in 2025.
Norway · Girls
Thea
Popularity journey
First recorded1950
First recorded at #380 among girls in Norway in 1950 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Girls
Highest recorded1950–2025
Highest recorded position: #1 among girls in Norway, in 2006 (recorded 1950–2025).
Norway · Girls
Most recent2025
Most recently recorded at #50 among girls in Norway, in 2025.
Norway · Girls