Welsh girl name
Tesni Name Meaning, Origin & Pronunciation
Tesni means warmth of the sun. From the Welsh tes, meaning heat or warmth of the sun
Tesni is a modern Welsh name that is generally explained as coming from tes, the warmth or heat of the sun. It has a sunny, cheerful sound and is short enough to be easy to say, with the stress on the first syllable. It is still unusual even in Wales, so it makes a distinctive choice for a summer baby. It sits well beside Welsh nature names such as Eira, Seren and Awen, and it works nicely with a longer middle name such as Elizabeth or Angharad.
Computer-generated voice, as a guide to pronunciation.
Variants of Tesni
TessniTesny
Tesni popularity: Ireland vs the US
In 2025 Tesni ranked #11,834 in the US (8 babies). It is too rare to appear in Irish rankings.
United States (girls)
Rank among babies of the same sex, 1 = most popular (log scale). Ranks below #10,000 sit on the bottom edge. Gaps mean fewer than 3 Irish or 5 US babies that year.
Data: US Social Security Administration (public domain) and Central Statistics Office, Ireland (CC BY 4.0). Irish accented spellings (such as Síle) are only recorded from 2018, so earlier years combine spellings.
Frequently asked questions
What does the name Tesni mean?
Tesni means "warmth of the sun". From the Welsh tes, meaning heat or warmth of the sun.
How do you pronounce Tesni?
Tesni is pronounced TESS-nee.
What is the origin of Tesni?
Tesni is of Welsh origin. From the Welsh tes, meaning heat or warmth of the sun.