Great, looks like I'm on the right track.
Now, for Pearl. I found a marriage for a Pearl Erickson in Wyoming. I don't know if this is your Peal, but it's a possibility as Pearl is in the 1900 census living with her Mother and Father, in Unita county, Wyoming, b. June 1884.
head Charles F Erickson M 38 Sweden
wife Kathryn H Erickson F 35 Rhode Island
stepson Homer B Wright M 13 Iowa
stepson Ralph A Wright M 10 Wyoming
daughter Louise Erickson F 18 Nebraska
daughter Pearl Erickson F 16 Nebraska
GROOM: Fitzpatrick, James A. (age 34) Evanston, Uinta, Wyoming
BRIDE: Erickson, Pearl Irene, Miss (age 19) Evanston, Uinta, Wy.
Place where married: Evanston
Date:29 Apr 1902
County of Record: Uinta