All about the name

Treasa

Female

« Treasa is a rare Irish female given name of uncertain origin, possibly derived from the Irish word "treas," meaning "strong" or "victorious." It has been used in Ireland since at least the 17th century and was borne by notable figures like Treasa de Marisco, a 14th-century Irish noblewoman known for her bravery and intelligence. Today, Treasa is still occasionally used and associated with qualities such as strength, courage, and resilience. »

#5187 since 1900

Meaning, origin, history

Treasa is a feminine given name of Irish origin. It corresponds to the Irish form of Teresa, which entered usage through continental Christian traditions. The exact period of its introduction to Ireland is not firmly established.

Meaning of the name Treasa

The name Treasa is the Irish adaptation of Teresa. It does not derive from ordinal numerals or native Gaelic numeral systems. The etymology of the source name has been variously linked to Greek or Latin roots, though scholars do not fully agree on its precise origin.

Origin of the name Treasa

The name was adopted in Ireland following broader European patterns of saint veneration. Its development reflects standard Irish phonological adaptation of foreign names rather than native Gaelic linguistic shifts. The name's presence in historical records aligns with the introduction and preservation of continental Catholic traditions.

History of the name Treasa

Documented appearances of Treasa occur primarily in post-medieval Irish parish registers and genealogical sources. Its transmission was maintained through ecclesiastical communities and family lineages. The spelling stabilized in Irish-language contexts, while English records occasionally rendered it with alternative orthographies.

Variants and related forms

Orthographic adaptation produced several recognized variants as the name moved between linguistic contexts.

  • Tressa emerged in English-speaking regions as a phonetic spelling.
  • Tresa appears in historical documents as a simplified form.

Cultural heritage

Treasa is documented in Irish parish records and family archives. Its usage reflects the preservation of continental saint names within Irish Catholic communities. The name remains in use in Ireland and among the diaspora.

In numbers

Popularity of the name Treasa since 1880

Total births
1,671
Total since 1880
Peak year
1967
71 births
in 2005
8
Recent births (5 years)
5-year trend
0% →
vs previous 5 years