I have found US Census records from 1910, 1920, and 1930. Elijah Jr. and Effie had seven children according to the records. Also, according to the Censuses, they were married back in 1904.
The children are (with approximate birth dates and states of birth): Dwight I - ca. 1906 (Washington) Hobert Arthur - ca. May 1908 (Washington) Lois L. - ca. 1911 (Washington) Frances M. - ca. June 1916 (Oregon) Esther Goldie - ca. December 1917 (Oregon) Hazel L. - ca. April 1919 (Oregon) Eugene A. - ca. 1923 (Oregon)
The family was living at the following places according to the following censuses: 1910 - City of Waverly, Spokane County, Washington 1920 - City of Salem, Marion County, Oregon 1930 - City of Independence, Polk County, Oregon - note on the 1930 Census: Elijah's mother-in-law, Mary F. Roberts was living with them.
A note about myself - I am a descendent from Jasper Newton Weddle who is Elijah Jr.'s older brother by about 10 years. I would like to know if you happen to have the 1900 US Census showing where Elijah Jr. was. I am having a heck of the time trying to find him in Ancestry.com and HeritageQuest. Please e-mail me.