November 25
Why this day? Tri is a short form of Katrina, and shares its name day.
Tri is celebrated in Spain and Argentina on September 28; the United States on November 25.
Tri is a short form of Katrina. It keeps its origin (Greek (via Katherine)) and meaning — pure, and shares its name day, November 25.
On birth records, Tri is rarely written as such: the Tris are Katrinas (101,120 births). For the name's history, year-by-year popularity and famous bearers, read the Katrina page. Tri is also a short form of Trina, Tristen, Tristin.
Tri is a short form of Katrina, which means pure.
November 25, together with Katrina: a short form shares the name day of the name it comes from.
It is a familiar short form. It does not appear as such in birth records, where you find Katrina.
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