I found a marriage for Ruth H. RACKMAN and Harvey D. Sidwell.

Details For Marriage ID#453637
Groom Last Name: SIDWELL
Groom First Name: Harvey Dell (29)
Groom Residence: Nephi, Juab, Utah
Bride Last Name: RACKMAN
Bride First Name: Ruth Helen (24)
Bride Residence: Mount Pleasant, Sanpete, Utah

His death certificate say's he was divorced, and died in Nephi, Ut. The informant was Mrs. Ed Hill. He died of Chronic asthma. Date of death, 3/1/1946.

Burial Information:
Sidwell, Harvey Dell
Birth: 3/24/1895
Death: 3/1/1946
Place of Birth: Nephi, Utah
Cause of Death: Pneumonia
Grave Location: Vine Bluff Cemetery , Vb_A_5_27_20
Source: Sexton / Grant
Comments:
Relatives: Wilkes, Rachel (Mother)
Sidwell, Job (Father)

I found an obit for Harvey D. Sidwell March, 4, 1946, Salt Lake Tribune.
I can email it to you if you like.