Kai vs Tonya
Kai and Tonyacompared 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.
England and Wales · Girls
In 2005, Kai was ranked #1690 and Tonya #4798 among girls in England and Wales.
Side by side
| Field | Kai | Tonya |
|---|---|---|
| Record type | Official statistical record (evidence-only) | Official statistical record (evidence-only) |
| Gender usage | male | female |
| Meaning | Not yet recorded | Not yet recorded |
| Origin | Not yet recorded | Not yet recorded |
| Pronunciation | Not yet recorded | Not yet recorded |
| Syllables | 1 | 2 |
| Common variants / nicknames | Not yet recorded | Not yet recorded |
| Recorded regional usage | AU-NSW, GB-ENW, GB-NIR, GB-SCT, IE, NO | GB-ENW, IE |
| Most recent popularity observation | New South Wales, Australia · Boys #23 (2025) | England and Wales · Girls #4798 (2005) |
| Pronunciation clarity (demonstration score) | Not yet recorded | Not yet recorded |
| Spelling simplicity (demonstration score) | 95/100 | 94/100 |
| International familiarity (demonstration score) | 100/100 | 60/100 |
| Data Confidence | medium | medium |
What the data shows
- Kai has 1 syllable, compared with 2 for Tonya.
- Both names have recorded usage in GB-ENW, IE.
How each name got here
Kai
Popularity journey
First recorded1945
First recorded at #76 among boys in Norway in 1945 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Norway · Boys
Highest recorded2002–2025
Highest recorded position: #20 among boys in New South Wales, Australia, in 2023 (recorded 2002–2025).
New South Wales, Australia · Boys
Most recent2025
Most recently recorded at #23 among boys in New South Wales, Australia, in 2025.
New South Wales, Australia · Boys
Tonya
Popularity journey
First recorded1970
First recorded at #447 among girls in Republic of Ireland in 1970 — the earliest year that source publishes this name, not necessarily the earliest it was used.
Republic of Ireland · Girls
Highest recorded1970–1996
Highest recorded position: #409 among girls in Republic of Ireland, in 1990 (recorded 1970–1996).
Republic of Ireland · Girls
Most recent2005
Most recently recorded at #4798 among girls in England and Wales, in 2005.
England and Wales · Girls