The service was held in her native Ireland, where her funeral took place last year

By Jodi Guglielmi and Nicola Byrne
Updated September 29, 2016 01:40 PM
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Credit: Coleman-Rayner

To commemorate the one-year anniversary of the tragic death of Cathriona White, Jim Carrey‘s late ex-girlfriend, some of her closest friends and family gathered to honor her memory with a private memorial service.

A source tells PEOPLE a mass was held for the Irish-born makeup artist at her hometown of Tipperary, Ireland, on Sept. 24 – marking the last time anyone had contact with White a year earlier on that date.

“They just wanted to keep it quiet and dignified, which they did. Cathriona’s name was read out by the priest and the mass offered for her,” says the source.

The mass took place at Our Lady of Fatima Church in Cappawhite, her hometown parish where her funeral mass was held last year.

White’s two sisters, brother, stepmother and a crowd of neighbors and friends gathered to attend the service. Her mother was unable to travel from her home in the United Kingdom due to ill health.

A family source said her family wanted to keep the service as private as possible.

“They are very wary of any publicity and especially with this new lawsuit from her husband coming at the same time as her anniversary,” says the source. “It is very painful for them.”

White fatally overdosed on prescription medication in September 2015. She was 30.

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White’s estranged husband Mark Burton, to whom she was still married at the time of her death, filed a wrongful death lawsuit earlier this month, claiming Carrey, 54, supplied White with the drugs she used to kill herself. Carrey had previously said White took the drugs from him without his knowledge. In a revision to the complaint filed Thursday, Burton also alleges that Carrey gave White several STDs during their relationship.

“Is this the way a ‘husband’ honors the memory of his ‘wife?’ The real disease here is greed, shameful greed!” Carrey said in a statement.