West Auckland police are asking the public to keep an eye out for 20-year-old Nikki Cribb and her 10-month old baby, Bailey.
Cribb has been out of contact with Child Youth and Family since May 7 and is believed to have left Auckland.
Police say Cribb and her child may be in Hamilton or Tokoroa.
Anyone with information is asked to call the Waitakere Police on 09 839 0600 or Child, Youth and Family on 0508 326 459.
Anonymous information can be given to Crimestoppers on 0800 555 111
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