I did find where Thelma Nordquist Sorenson is buried. At the Fort Snelling cemetery in Minneapolis. It's a military cemetery. I think her husband Roy was the soldier when he was younger. Not sure which war, but probably World War 1? he's the right age.

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=So...;

Thelma H. Sorenson
Birth: Jan. 3, 1897
Death: Oct. 16, 1991



Burial:
Fort Snelling National Cemetery
Minneapolis
Hennepin County
Minnesota, USA
Plot: R, 4311
Imported from: US Veteran's Affairs
Record added: Mar 04, 2000
Find A Grave Memorial# 3504084

Sharing that same grave plot (Plot R, 4311) is her husband
Birth: Aug. 4, 1896
Death: Dec. 15, 1980



Burial:
Fort Snelling National Cemetery
Minneapolis
Hennepin County
Minnesota, USA
Plot: R, 4311
Imported from: US Veteran's Affairs
Record added: Mar 04, 2000
Find A Grave Memorial# 3504093

Since Roy and Thelma married in 1921,
Date of marriage 10/01/1921
Groom's name ROY SORENSON
Bride's name THELMA NORDQUIST

Their possible child on the
Minnesota Birth Index

Sorenson, Lorraine Elsie
Date of Birth: 07 Feb 1926
Mother Maiden Name: Nordquist
certid# 1926-37470
County of Birth: Hennepin

The best marriage for Lorraine E. Sorenson is this one
HENNEPIN 568 0111
8/20/1949
GRANT, CLYDE E
SORENSON, LORRAINE E

So, here is the address of Lorraine Sorenson Grant, daughter of Thelma Nordquist Sorenson. Click the link.

http://www.411.com/name/Clyde-E-Grant/Owatonna-MN/4vgvtri