Mary Mueller — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cavalier-County, North Dakota

Our Model Tree links this Mary Mueller across the 1920, 1930 and 1940 US Censuses in Cavalier-County, North Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 5-person household.

Age 43 b. ~1897 Female Spouse Born: North Dakota Married

1940 Census Record Details

Census Year	1940
Location	Cavalier-County, North Dakota
Surname	Mueller
Given Name	Mary L.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	North Dakota
1935 Residence (City)	Dresden Village
1935 Residence (County)	Cavalier
Additional Details
Industry	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	North Dakota
Birth Country	United States
Birthplace (normalized)	north dakota
Township / Ward	Dresden Village
Est. Birth Year	~1897

Household Members

Census records only state relationship to the household head. Pairwise kinship is derived (~90–95% accurate), not recorded. Step/blended families and boarders can break it.

5 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Evelyn Mueller	Daughter	—	11	~1929
Benny Mueller	Son	—	16	~1924
Phylis Mueller	Daughter	—	5	~1935
Mary Mueller	Spouse	—	43	~1897
John Mueller	Head	—	51	~1889

Census Appearances

1920

Cavalier, North …

Spouse, age 23

Cavalier, North Dakota · implied b. ~1897 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mueller
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	23
Marital Status	Married
Birthplace	North Dakota
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	German
Birth State	North Dakota
Birth Country	United States
Birthplace (normalized)	north dakota

1930

Cavalier, North …

Other, age 34

Cavalier, North Dakota · implied b. ~1896 — 40 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mueller
Given Name	Mary L.
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	North Dakota
Age at First Marriage	18
Father's Birthplace	Germany
Mother's Birthplace	Germany
Can Read/Write	Yes
Birth State	North Dakota
Birth Country	United States
Birthplace (normalized)	north dakota

1940

Cavalier-County, North …

Spouse, age 43

Cavalier-County, North Dakota · implied b. ~1897 — 5 household members

Surname	Mueller
Given Name	Mary L.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	North Dakota
1935 Residence (City)	Dresden Village
1935 Residence (County)	Cavalier
Industry	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	North Dakota
Birth Country	United States
Birthplace (normalized)	north dakota

Model Tree

Linked across censuses

Our Model Tree links Mary Mueller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Mary Mueller

Spouse · 1940 · age 43 · b. ~1897 · North Dakota

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Cavalier-County, North Dakota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02998-00454)

Line	Name	Age	Relation	Occupation	Birthplace
1	Gerald J. Kless	29	Head	High School Teacher	North Dakota
2	Philomena Kless	27	Wife	—	North Dakota
3	William L. Rafflenbeul	32	Head	Laborer	North Dakota
4	Etta E. Rafflenbeul	28	Wife	—	North Dakota
5	Lorraine E. Rafflenbeul	4	Daughter	—	North Dakota
6	Joel H. Rafflenbeul	3	Son	—	North Dakota
7	John Nally	26	Head	Laborer	North Dakota
8	Lillian Nally	24	Wife	—	North Dakota
9	Daryl Nally	1	Son	—	North Dakota
10	John G. Mueller	51	Head	Laborer	Illinois
11	Mary L. Mueller THIS PERSON	43	Wife	—	North Dakota
12	Benny Mueller	16	Son	—	North Dakota
13	Evelyn M. Mueller	11	Daughter	—	North Dakota
14	Phylis A. Mueller	5	Daughter	—	North Dakota
15	Emil A. Krinke	44	Head	Farmer	Russia
16	Alice Krinke	33	Wife	—	North Dakota
17	Carl A. Krinke	4	Son	—	North Dakota
18	Eva L. Krinke	3	Daughter	—	North Dakota
19	Herbert H. Krinke	16	Nephew	Farm Laborer	North Dakota
20	Rose Krinke	66	Mother	—	Germany
21	Ernest L. Sebastian	13	Nephew	—	North Dakota
22	Eva L. Sebastian	11	Niece	—	North Dakota
23	William Werner	48	Boarder	Laborer	Russia
24	Theodore F. Sperling	27	Head	Laborer	North Dakota
25	Edith Sperling	23	Wife	—	North Dakota
26	Gary Sperling	1	Son	—	North Dakota
27	Olga A. Schmekloth	40	Head	School Teacher	North Dakota
28	—	None	—	—	—
29	Emanuel Rapske	47	Head	Laborer	Russia
30	Amelia Rapske	38	Wife	—	North Dakota
31	Verlie J. Rapske	15	Daughter	—	North Dakota
32	Marjorie M. Rapske	13	Daughter	—	North Dakota
33	Arthur C. Rapske	10	Son	—	North Dakota
34	Dolores C. Rapske	6	Daughter	—	North Dakota
35	Donald F. Rapske	4	Son	—	North Dakota
36	Darlene Rapske	1	Daughter	—	North Dakota
37	Anthony A. Barnaas	57	Head	Manager	South Dakota
38	Christine Barnaas	36	Wife	—	North Dakota
39	Adolph C. Zitko	40	Head	Station Agent	Poland
40	Doris S. Zitko	33	Wife	—	Canada

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.

Source: National Archives and Records Administration (NARA)

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