I can find two Liisa Haapamäki's from Passanger lists 1906.
Age matches to first one:

Institute of Migration
Detailed passenger information

Last name Hautamäki
First names Liisa
Age or age class 19
Port of departure Hanko
Place of destination New York
State of destination NY
Country of destination USA
Price of ticket FIM 216
Ship from Finland Arcturus
Date of departure from Finland 19.09.1906
Ship from England Oceanic
Date of departure from England 26.09.1906
Ocean Line White Star Line
Port of departure in England *
List and page 51/46
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Detailed passenger information

Last name Hautamäki
First names Liisa
Age or age class Adult woman
Port of departure Hanko
Place of destination New York
State of destination NY
Country of destination USA
Price of ticket USD 39
Ship from Finland Arcturus
Date of departure from Finland 04.04.1906
Ship from England Oceanic
Date of departure from England 11.04.1906
Ocean Line White Star Line
Port of departure in England *
List and page 50/58