Granström is a Swedish surname that translates to "fir tree (gran) by the stream (ström)." Notable people with the surname include: Brita Granström (born 1969), Swedish artist and illustrator living and working in Great Britain. Holger Granström (1917–1941), professional ice hockey player who played in the SM-liiga. Jonathan Granström (born 1986), Swedish ice hockey player. Konrad Granström (1900–1982), Swedish gymnast who competed in the 1920 Summer Olympics. Otto Granström (1887–1941), Finnish gymnast who competed in the 1908 Summer Olympics.
https://en.wikipedia.org/wiki/Granstr%C3%B6m