Mary Christian — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Isanti-County, Minnesota

Our Model Tree links this Mary Christian across the 1920, 1930 and 1940 US Censuses in Isanti-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1877), then head of a 3-person household.

Age 63 b. ~1877 Female Spouse Born: Minnesota Married

1940 Census Record Details

Census Year	1940
Location	Isanti-County, Minnesota
Surname	Christian
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	63
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	North Branch Township
1935 Residence (County)	Isanti
Additional Details
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota
Township / Ward	North Branch Township
Est. Birth Year	~1877

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Christian	Spouse	—	63	~1877
Marian Christian	Daughter	—	21	~1919
Henry Christian	Head	—	66	~1874

Census Appearances

1920

Isanti, Minnesota

Spouse, age 42

Isanti, Minnesota · implied b. ~1878 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Christen
Given Name	Mary A
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Minnesota
Father's Birthplace	Illinois
Mother's Birthplace	Minnesota
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1930

Isanti, Minnesota

Spouse, age 53

Isanti, Minnesota · implied b. ~1877 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Christian
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Minnesota
Age at First Marriage	17
Father's Birthplace	Illinois
Mother's Birthplace	Minnesota
Can Read/Write	Yes
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

1940

Isanti-County, Minnesota

Spouse, age 63

Isanti-County, Minnesota · implied b. ~1877 — 3 household members

Surname	Christian
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	63
Marital Status	Married
Birthplace	Minnesota
1935 Residence (City)	North Branch Township
1935 Residence (County)	Isanti
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Minnesota
Birth Country	United States
Birthplace (normalized)	minnesota

Model Tree

Linked across censuses

Our Model Tree links Mary Christian 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 Christian

Spouse · 1940 · age 63 · b. ~1877 · Minnesota

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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 — Isanti-County, Minnesota Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01927-01084)

Line	Name	Age	Relation	Occupation	Birthplace
1	Earl J. Pierce	39	Head	Janitor	Minnesota
2	Artelia B. Pierce	37	Wife	—	Minnesota
3	Earl G. Pierce	15	Son	—	Minnesota
4	Donald Pierce	13	Son	—	Minnesota
5	Dale Pierce	9	Son	—	Minnesota
6	Lois Pierce	7	Daughter	—	Minnesota
7	Robert Pierce	79	Uncle	—	Minnesota
8	Ernest O. Rosener	49	Head	—	Germany
9	Blanche Rosener	49	Wife	—	Minnesota
10	Henry J. O. Christian	66	Head	Farmer	Minnesota
11	Mary Christian THIS PERSON	63	Wife	—	Minnesota
12	Marian Christian	21	Daughter	—	Minnesota
13	Hilding O. Erickson	35	Head	Farmer	Minnesota
14	Ruth Erickson	27	Wife	—	Minnesota
15	Orville Erickson	8	Son	—	Minnesota
16	August Peltier	37	Head	Farmer	Minnesota
17	Doris Peltier	32	Wife	—	Minnesota
18	Albert O. Edstrom	49	Head	Farmer	Minnesota
19	Mable Edstrom	49	Wife	—	Minnesota
20	Kenneth Edstrom	16	Son	—	Minnesota
21	Doris Edstrom	12	Daughter	—	Minnesota
22	Beatrice Edstrom	7	Daughter	—	Minnesota
23	Charles A. Jacobson	53	Head	Farmer	Minnesota
24	Catherine Jacobson	42	Wife	—	Minnesota
25	James Hunter	63	Head	Farmer	Iowa
26	Margaret Hunter	60	Wife	—	Iowa
27	Victor O. Dahlquist	45	Head	Farmer	Minnesota
28	Alice Dahlquist	31	Sister	—	Minnesota
29	Emily Dahlquist	72	Mother	—	Sweden
30	Alex Dahlquist	43	Brother	Farm Laborer	Minnesota
31	Ludwig Dahlquist	32	Brother	Farm Laborer	Minnesota
32	Ernest O. Spindler	51	Head	Farmer	Germany
33	Alma Spindler	46	Wife	—	Minnesota
34	Margaret Spindler	19	Daughter	—	Minnesota
35	Roland O. Peterson	23	Head	Farmer	Minnesota
36	Isabel Peterson	25	Wife	—	Minnesota
37	Charles Peterson	1	Son	—	Minnesota
38	Einar O. Dahlquist	43	Head	Road Making	Minnesota
39	Lucille Dahlquist	32	Wife	—	Minnesota
40	Jeanette Dahlquist	0	Daughter	—	Minnesota

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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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