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

Charles Henry Morrison, parents= William Morrison & Anna Marie Hansen
Isabella Dunn, parents= Thomas Dunn & Christina Henderson Hunter
Children:
Christina Hunter Morrison
Margaret Dunn Morrison, married William Singleton
Odessia Singleton, (married)
Vilo Singleton, (married)
William Garth Singleton, (married)
Thomas Henry Singleton
Dale Sterling Singleton
Lois Singleton, (married with 5 children)
Iris Singleton, (married)
(Female) Singleton
Martha Maria Morrison, Marriage #1 - John Joseph Kramer
Margaret C. Kramer (married with 1 child)
Elizabeth Charletta Kramer
Marriage #2: Abraham Worthington Bills or Bells
Pearl Lucy Bells (Married)
Marriage #3: Walter Raymond Watkins (Robert Benjamin Evans)
Roberta Evans, (married with 5 children)
Marriage #4: Lloyd Cecil Amsden
Marriage #5: Taylor Albert Day
Marriage #6: ________ Churchill
Thomas Dunn Morrison, married Virgie Mae Trauntvein
Max Morrison, (Died Young)
Charles Henry Morrison, Married Isabella Quarnberg
Thomas Edmund Morrison, (married with 1 child)
Marvin Junior Morrison, (married twice with 1 child)
Glen Ferrel Morrison, (married twice with 3 children)
Charles Arnell Morrison
Karen Morrison
Isabella Morrison (died as a baby)
William J. Morrison, married Anna Lucille Christensen
Don Eugene Morrison
William Dean Morrison, (Married with 1 child)
Viveon Darleen Morrison, (married with 10 children)
Marriage #2: Dorothy Matilda Howell
Dale Sidney Morrison
Donald K. Morrison
Charles Morrison
Melvin George Morrison
Joseph Smith Morrison, Married Marie Allenbach
Dorothy Ileen Morrison, (married with 10 children)
Mary Johanne Morrison
Carol Jean Morrison
Velma Lucy Morrison, married John Byron Carter
John Byron Carter Jr.
Barbara Carter, (Married)
Annette Carter, (married)
Grace Carter, (married)

These are all the family names I have at this time. If I am missing any that you know of, please let me know. Thanks!

1920 census

1920 Census: Eureka, Juab, Utah
Morrison,Charles H. 51, Miner
Morrison, Isabelle 49, Home
Morrison, Thomas 21, laborer
Morrison, Charles 19, Assistant Electrician
Morrison, William 15, Home
Morrison, Joseph 12, Home
Morrison, Velma 10, Home
Morrison, Martha (Bells) , 23, Housekeeper of Boarding House, Married
Cramer, Margaret Granddaughter, 6, Utah,Home
Cramer, Elizabeth Granddaughter, 4, Utah, Home
Bells, Pearl C. Granddaughter, 1, Utah, Home
Seely, Mae Roomer, 20, widow, Utah, Waitress

Some census records that have been found:

1900 Census: Eureka, Juab, Utah
Charles Morrison, 33 married 9 years, Day Laborer
Elizabeth 30, 4kids - 3 alive
maggie 7, at school
Martha 5,
Thomas 2

1920 Census: Eureka, Juab, Utah
Charles H. 51, Miner
Isabelle 49, Home
Thomas 21, laborer
Charles 19, Assistant Electrician
William 15, Home
Joseph 12, Home
Velma 10, Home
Martha (Bells) , 23, Housekeeper of Boarding House, Married
Cramer, Margaret Granddaughter, 6, Utah,Home
Cramer, Elizabeth Granddaughter, 4, Utah, Home
Bells, Pearl B. Granddaughter, 1, Utah, Home
Seely, Mae Roomer, 20, widow, Utah, Waitress

1910 census: Eureka, Juab, Ut
Morrison, Charles H 43, 19 years married, utah, miner, quarry mines
" , Isabelle D. 40, 9 kids - 7 living, scotland, home
" , Maggie D. 17, utah, home
" , Martha 15, utah, home
" , Thomas D. 12, utah, home
" , Charles 9, utah, home
" , William 5, utah, home
" , Joseph 3, utah
" , Velma L. 7 months, utah