Now mother and daughter have collected more than enough supplies to fill a 6m shipping container.
Mrs Tilby-Price said they were blown away by the generosity of people in Tauranga. "There [have] been so many times over the past few weeks I've just wanted to cry because of how much people have put themselves out."
The aid was an essential lifeline for the Ni-Van people, she said.
"All the stuff that's going over is genuinely needed. They have no other way of getting these things."
The container would go this month, and thanks to Tauranga Rotary, which bought and donated it.
It would stay in Vanuatu and most likely serve as a health clinic in the Ohlen Esqal community.
"When we told them, they were crying on the ... phone," Mrs Tilby-Price said. "They couldn't believe it. That's a building for them."
Courtney said the Vanuatu people would cherish everything donated and use it to help everyone in their community. "If we give rice to a family who already has a bag of rice, they would give it to another family who didn't have any.
"If we gave one family 25kg of rice ... they'd use it to feed the whole village."
Courtney and her mum will travel back to Vanuatu in July.
Some of the items donated
•More than 300 tools
•More than 500 sheets of roofing iron
•More than 300kg of rice
•130 blankets
•250 towels
•"Boxes and boxes" of medical supplies