The Northland woman has been missing for a year.
She hadn't spoken to her family in the UK in a week, prompting fears.
Lydia O'Sullivan, 23, has been seen or not heard since she arrived in the country.
Karina Bradnam disappeared last week.
Police have been searching since Monday.
Efforts will continue until dark.
On the anniversary of her disappearance the family are welcoming any information.
They went missing on Friday.
"Does being a young Māori mother make her less deserving of the same attention?"