The St Vincent de Paul Society welcomed Monday's Newspoll showing the majority of Australians support an Indigenous Voice to Parliament and urged the parliament to support what it described as a "critical reform".

The poll published Monday found 56 per cent supported the Voice with 37 per cent opposed.

The Society has a long history of supporting constitutional recognition of First Nations peoples, the group said in a statement, noting public submissions the organisation prepared in 2013 and 2015 in support of the 2012 Constitutional Recognition Bill and the 2014 Senate Select Committee on Constitutional Recognition of Aboriginal and Torres Strait Islander Peoples, and a May 2021 submission on the Indigenous Voice Co-Design Report in support of constitutional recognition.

"Since 2007, successive Prime Ministers promised to significantly advance reconciliation and recognition. Too much time has passed. Too little progress has been made," the Society said.

The Society welcomed the Fifth Catholic Church Plenary Council of Australia's First Decree, Reconciliation: Healing Wounds, Receiving Gifts, which endorsed the Uluru Statement and "commits to walk with Aboriginal and Torres Strait Islander people in working towards recognition, reconciliation and justice".

The Australian Catholic Bishops Conference also endorsed the Uluru Statement from the Heart.

The Society said the National Aboriginal and Torres Strait Islander Catholic Council stands in solidarity with the Uluru Statement and backed calls for substantial Constitutional reform "based on a foundation of spirituality and subsidiarity".

"The Society respects the generous and powerful 439 words contained in the Uluru Statement," they said.

Vinnies noted that a First Nations Voice will not have a veto right and will not be a third chamber of parliament.

"It will allow Aboriginal voices to be heard on matters that affect them."

The Society echoed the From the Heart campaign's words: "Constitutional Recognition through a Voice to Parliament will empower Aboriginal and Torres Strait Islander people, allowing them to take ownership and responsibility for the challenges that they face, and work constructively with governments from any political party to develop the laws and policies needed to Close the Gap".