2. Lt. Cmdr. William Pope McArthur, b. 1814, St. Genevive, Missouri, eldest child; m. 1838 Mary Stone Young, dau of Lt. (later Commander) John J. Young.
3. Lewis Linn McArthur, (1843-1897), 3rd son; of Oregon; Justice of Oregon State Supreme Court; District Judge; U.S. Attorney for Oregon; died Portland; m. Harriet K. Nesmith, dau of James Willis Nesmith, (1820-1885).
4.Clifton Nesmith McArthur (1879-1923); lawyer; cattle breeder; Oregon State Representative; U.S. Congressman; Episcolpalian; m. 1913 to Lucile Smith.