The aunt of Boorloo woman Tiffany Anne Woodley has urged Western Australians to confront the ongoing toll of domestic violence, while delivering a Welcome to Country at a 16 Days in WA business breakfast at Crown Perth.

Rosalia Miller Kickett opened the recent event, telling attendees the campaign carried deep meaning for her family following the death of her 35-year-old niece, a mother of three.

She has been a vocal advocate for families affected by violence since her niece's death.

Ms Woodley was found dead in her Bedford home in August 2023 after a violent assault by her former partner, 39-year-old Peter Damjanovic.

She had taken out multiple violence restraining orders against him, including one filed three months before her death.

In October, Mr Damjanovic abandoned his not guilty plea and admitted murdering Ms Woodley, pleading guilty on the morning his judge-alone trial was scheduled to begin in the Supreme Court.

He will be sentenced next year.

Ms Kickett thanked WA Premier Roger Cook for supporting the family during the court process and said no family should ever endure the loss hers has carried.

"Tiffany's life mattered," she said.

"Our families cannot keep going through this."

She said she would continue advocating for stronger prevention and early intervention, and urged the public to "play their part" in reducing violence against women and children.

The 16 Days in WA campaign is the state's annual contribution to a global movement calling for the elimination of violence against women.

Events will be held across the State throughout the 16-day period.