1.  Mathiesen Pedigree by Søren H. Schmidt, Lokalhistorisk Arkiv, Bredebro, DK.

2.  1900 Census Every-Name-Index/Images (online at Ancestry.com):  Mathies is presumably still in Denmark.  Edna FETCH (æ 14, b. Aug 1885, SD) is living in Mitchell, Davison Co., SD, with her parents, Charles FETCH (æ 41, b. Dec 1858, WI) and Christine FETCH (æ 40, b. Sep 1859, IA).

3.  1910 Census Index/Images (online at Ancestry.com):  Edna L. FETCH (æ 25, b. SD) is living in Kadoka Twp., Stanley Co., SD, with her parents, Charles F. FETCH (æ 51, b. WI) and Christine FETCH (æ 49, b. IA).

4.  1920 Census Index/Images (online at Ancestry.com; Image #23 of 32):  733 Tennessee St., Vallejo City, Precinct 4, Vallejo Twp., Solano Co., CA, p. 149A, SN 12A, SD 3, ED 212, enumerated 9/10 Jan 1920, official enumeration date 1 Jan 1920 (extracted by Diana Gale Matthiesen).

1920:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
1	2	3	4	5	6	7	9	10	11	12	13	14	15	17	18	19	20	21	22	23	24	25	26	27	28
*	733	277	826	Matthiesen Mathieas	Head	R	M	W	32	M	1904	Na	1913	Y	Y	Denmark	Danish	Denmark	Danish	Denmark	Danish	Y	riveter	navy yard	W
				__________ Edna	Wife		F	W	33	M				Y	Y	SD		WI		IL		Y	none
				__________ Grace	Daughter		F	W	27/12	S						CA		Denmark	Danish	SD		Y	none
*Tennessee St.

5.  1930 Census Index/Images (online at Ancestry.com; Image #31 of 64):  Arcade Blvd., American Twp., Sacramento Co., CA, p. 206A, SN 16 A, ED 34-8, SD 3, enumerated 12 Apr 1930, official enumeration date 1 Apr 1930 (extracted by Diana Gale Matthiesen):

1920:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
1	3	4	5	6	7	8	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	30
*	405	405	Matthiesen Mathieas	Head	R	$25	N	M	W	43	M	25	N	Y	DK	DK	DK	Danish	1904	Na	Y	Car Repairer	Railway Shops	W	Y	N
			__________ Edna L	Wife				F	W	43	M	25	N	Y	SD	WI	IL				Y	None
			__________ Grace A	Daughter				F	W	12	S		Y	Y	CA	DK	SD				Y	None
*Arcade Boulevard

Edna obviously believed her mother was born in Illinois — and her eldest brother was — but her mother was born in Iowa.

6.  CABI:  California Birth Index, 1905-1995 (online at Ancestry.com):

Last Name	First Name	Middle	Date	Sex	Mother	County
Matthiesen	Grace	M	28 May 1917	Female	Fetch	Alameda

7.  CADI:  California Death Index, 1940-1997 (online at RootsWeb.com and Ancestry.com):

Last Name

First Name

Middle

Birth Date

Mother Maiden

Father Last

Sex

Birth Place

Death Place (County)

Death Date

SSN

Age

Post-em Placed

MATTHIESEN

EDNA

L

08/05/1888

WALTON

F

SD

Sacramento

01/16/1962

73 yrs

Yes

Either the 1900 census was wrong, or Edna consistently shaved two or three years off her age throughout adulthood.

8.  SSDI:  Social Security Death Index (online at RootsWeb.com; missing columns contained no data):  not found.