---
name: "Triona Lillis"
canonical: "https://film.one/person/triona-lillis"
fi1m_id: "triona-lillis"
tmdb_id: 2557300
roles: ["Costume designer"]
reviewed_on_fi1m: 1
average_over: 1
updated: "2026-09-21T02:11:22.547674+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Triona Lillis

## Identity

Triona Lillis

- **Canonical:** https://film.one/person/triona-lillis
- **Type:** Person
- **Fi1m ID:** triona-lillis
- **TMDB ID:** 2557300
- **Same entity:** https://www.themoviedb.org/person/2557300

Costume designer.

## Details

- **Work:** Costume designer
- **Elsewhere:** https://www.themoviedb.org/person/2557300

## Biography

Triona Lillis is an Irish costume designer. She began her career as an apprentice to her sister, fashion designer Carol Lillis, and studied archaeology at the National University of Ireland Galway. She worked in theatre with DramaSoc at NUIG and as costume designer for Macnas Theatre Company in Galway before entering film.

Her film credits include *Wild Mountain Thyme* (2020), *Boys from County Hell* (2021), *Flora and Son* (2023) and *Power Ballad* (2026). She has also designed costumes for television series including *Dominion Creek* (2015), *Smother* (2021–2022), *Blackshore* (2024) and *These Sacred Vows* (2026).

Lillis runs the slow-fashion brand The Tweed Project and has received four IFTA nominations for her work.

*Sources: imdb.com, irishcountrymagazine.ie.*

## On Fi1m (1)

- *Power Ballad* (2026), Fi1m 63, Costume Design, Costume design — [page](https://film.one/film/power-ballad.md)

## Complete filmography (5)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *Power Ballad* (2026), Costume Design — Fi1m 63, [page](https://film.one/film/power-ballad.md)
- *Blackshore* (2024), series, Costume Designer
- *Flora and Son* (2023), Costume Design
- *Boys from County Hell* (2021), Costume Design
- *Wild Mountain Thyme* (2020), Costume Design

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/triona-lillis