It might help to know William S Torrance's kids.He was the youngest of the children of Jeduthan Torrance (generation 7).William is Generation 8 and his kids are Generation 9. William was the first to go to Oregon and used the Oregon Trail to get there.He met the boat when his brothers arrived via Panama in one case and via Cape Horn in the second case.
The first child was written up at length recently here as Edgar A Torrence (1850-) x 1871 Martha Wright (-1872) and then 1874 Mary E Phillips of Dayton, WA.
1W Edgar Torrance (1850-) x 1871 Martha Wright of Multnomah, OR
2Eunice Torrance (c1853-)of Milwaukie, OR
3Kate Torrance (1854-) x Jim Rockof Milwaukie
4Carrie Ellen Torrance (1858-1919) x Richard Wormoth of Milwaukie
5Hester "Hettie" Fairchild Torrance (1860-1940) x 1880 Leroy Stillson (1857-1912) of Spokane, WA
6William Grant Torrance (1862-1945) x 1891 Margaret Augusta Kirby (1865-1903) of Seattle
7Emma Torrance (1865-) x Hiram Savageof Milwaukie
8Charles Torrance (1867-) of Milwaukie
9Dale LeRoy Torrance (1870-1957) x Nellie Myrtle Hamilton of Oregon City, OR