Here is what I have thus far for family members of this family:

Robert Bruce Morrison, parents: William Morrison and Anna Marie Hansen
Lillie Jane Seare, parents: William Seare & Jane Simmons
Children:
Walter bruce Morrison, married Madge_________
Ella J. Morrison
Mary M. Morrison
Von Seare Morrison, Married Charlotte Wade
Paul R. Morrison
Patricia Morrison, (Married)
William A. Morrison
Albert Morrison, Married Thelma Effie Adams
Beth Morrison, (married)
Lucille Elta Morrison, Married Daniel Martinez Mortensen
Joyce Mortensen, (married with 1 child)
Judith Mortensen
Jeanne Mortensen
Judy Mortensen
Lillian J. Morrison (died young)

This is all I have on this family. If anyone is able to further any of these family lines and fill in some blanks I would appreciate it!

Some census records that have been found:

1920 Census: Precinct 109, Salt Lake, Utah
Morrison, Robert B. 51, Contractor, mining
Morrison, Lily J. 51, Home
Morrison, Vern S. 22, Utah, Stinographer for Railroad
Morrison, William, 20, Utah, Yard Clerk for railroad
Morrison, Albert 18, Utah, Home
Morrison, Lucille 16, Utah, Home

1910 Census: Halper Precinct, Carbon, ut
Morrison, Robert B. 41, married 15 yrs, utah, clerk at Helper Town
" , Lillie 45, 6 kids - 5 living, England , home
" , walter B. 14, utah
" , Von S 12, utah
" , william 11, utah
" , albert 9, utah
" , Lucille E 6, utah

1900 census: Richfield, Sevier, Ut
Morrison, Robert B. head, nov 1869, 30, m, 6, utah, Rancher
" , Lilie, wife, apr 1863, 37, m, 6, 3, 3, england
" , Walter B. son, aug 1895, 4, utah
" , Von S. son, aug 1897, 2, utah
" , William son, mar 1899, 1, utah

Buried in the same plot area were these people also:
Charlotte Wade morrison 1908-1999
Paul Roger Morrison 1934-1991
Timothy John Morrison 1972-1992