Not for sure if I am correct or not but this is what I have been searching>
The 1917-18 WW1, WA Registration says that Charles Albert Lusk was born in ElDorado Springs, Cedar, MO.The only Lusk family that I can place him with is by his father William who I believe to be the son of George Stewart Lusk and Elizabeth Stark.George died in 1916 and is buried in the Herriman Chapel Cemetery.
If this is the right family then George's father is Absalom Lusk.
The reason I am hunting this is because Lusk is on my fathers side of the family and I found that Lena Fletcher married a Charles Lusk and she is from my mothers side with the surname of Billups from Walla Walla, WA and Columbia, WA.
Do you think we have the same families? Let me know I can share with you.