bˈɔːɹn ɪn wˈaɪthɔːɹs, jˈuːkən, kˈænədə tʊ ɐ nˈuː zˈiːlənd mˈʌðɚ ænd ɐ kɐnˈeɪdiən fˈɑːðɚ, ˈoʊlsən mˈuːvd bˈæk ænd fˈɔːɹθ bᵻtwˌiːn ðə tˈuː kˈʌntɹiz æz ɐ jˈuːθ, spˈɛndɪŋ tˈaɪm lˈɪvɪŋ ɪn nˈɛlsən ænd ðə bˈeɪ ʌv ˈaɪləndz ɹˈiːdʒən.
Born in Whitehorse, Yukon, Canada to a New Zealand mother and a Canadian father, Olson moved back and forth between the two countries as a youth, spending time living in Nelson and the Bay of Islands region.