Hej Don -
Further to what Kris found, here are all the Flanks on the Emibas CD.
There don't appear to be any likely matches, but the CD is not
complete. Also, he may have emigrated using his patronymic name. You
will probably have to do some more research in American records.
Flank, Anna Erika 19/4 1879
Flank, Anton Ludvig 16/12 1863
Flank, Elin Margareta 11/2 1898
Flank, Elin Margreta 11/2 1898
Flank, Herman Sannfrid 21/4 1870
Flank, Johan Oskar 13/8 1860
Flank, Jonas Gotthard 6/5 1887
Flank, Karl Edvard 2/3 1898
Flank, Karl Emanuel 24/12 1866
Flank, Karl Fredrik 8/2 1875
Flank, Marta Kristina 31/3 1889
Flank, Per Evald 15/3 1889
Olsson "Flank", Edvard 10/4 1879
The dates in the list are dates of birth.
Good luck in your search -
Here is the result of my searching the Emigrant CD