Ms Hoffmann said she was "a teenage rebel too, so I can identify completely with Ned".
"There's a Ned Kelly support group here where I live, one [member] even has his image tattooed on her arm.
"We had a wake, not to celebrate him but to send him off properly, and the skull was there."
Ms Hoffmann said those at the wake had a meal to match the last supper Kelly requested before his execution in 1880 after a shootout with police.
"He had lamb chops and peas and a glass of claret, that's how sophisticated he was," Ms Hoffmann said.
The remains confirmed as being Kelly's were buried under concrete to stop potential thieves from preying on his grave at Greta Cemetery, near Wangaratta in north-east Victoria.
Kelly relative Joanne Griffiths told the ABC the funeral service brought "closure" for the family.
"We've brought him home, back to his family and back to the area that he loved. We've given him his final wish, so that makes us quite happy," she said.