Mary Horn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Big-Horn-County, Montana

Our Model Tree links this Mary Horn across the 1920, 1930 and 1940 US Censuses in Big-Horn-County, Montana (XGBoost, ~Confirmed) — first a spouse (b.~1895), then head of a 6-person household.

Age 45 b. ~1895 Female Spouse Born: Montana Married

1940 Census Record Details

Census Year	1940
Location	Big-Horn-County, Montana
Surname	Horn
Given Name	Mary Ann
Relationship to Head	Wife
Sex	F
Color / Race	American Indian
Age	45
Marital Status	Married
Birthplace	Montana
1935 Residence (City)	Lodge Grass Town Part of
1935 Residence (County)	Big Horn
Additional Details
Hours Worked	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana
Township / Ward	Lodge Grass Town Part Of
Est. Birth Year	~1895

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
August Horn	Son	—	16	~1924
Anton Bear Below	Other	—	21	~1919
Floyd Horn	Son	—	5	~1935
Joan Horn	Daughter	—	10	~1930
Sam Horn	Head	—	43	~1897
Mary Horn	Spouse	—	45	~1895

Census Appearances

1920

Big Horn, …

Spouse, age 27

Big Horn, Montana · implied b. ~1893 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Horn
Given Name	Mary Ann
Relationship to Head	Wife
Sex	F
Color / Race	American Indian
Age	27
Marital Status	Married
Birthplace	Montana
Father's Birthplace	Crow
Mother's Birthplace	Montana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Crow
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana

1930

Big Horn, …

Spouse, age 37

Big Horn, Montana · implied b. ~1893 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Horn
Given Name	Mary Ann
Relationship to Head	wife
Sex	F
Color / Race	American Indian
Age	37
Marital Status	Married
Birthplace	Montana
Age at First Marriage	18
Father's Birthplace	Fullblood
Mother's Birthplace	Crow
Occupation	none
Can Read/Write	Yes
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana

1940

Big-Horn-County, Montana

Spouse, age 45

Big-Horn-County, Montana · implied b. ~1895 — 6 household members

Surname	Horn
Given Name	Mary Ann
Relationship to Head	Wife
Sex	F
Color / Race	American Indian
Age	45
Marital Status	Married
Birthplace	Montana
1935 Residence (City)	Lodge Grass Town Part of
1935 Residence (County)	Big Horn
Hours Worked	0
Highest Grade	No 6
1935 Residence	Same place
Birth State	Montana
Birth Country	United States
Birthplace (normalized)	montana

Model Tree

Linked across censuses

Our Model Tree links Mary Horn 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 Horn

Spouse · 1940 · age 45 · b. ~1895 · Montana

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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 — Big-Horn-County, Montana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02212-00486)

Line	Name	Age	Relation	Occupation	Birthplace
1	Lawrence Old Bull	1	Grandson	—	Montana
2	Cecelia Bear Below	40	Head	—	Montana
3	Walter Bear Below	16	Son	—	Montana
4	Colonel Bear Below	13	Son	—	Montana
5	Patricia Bear Below	9	Daughter	—	Montana
6	Rose Bear Below	2	Daughter	—	Montana
7	Joseph Ten Bear	19	Nephew	Farmer	Montana
8	Sam Horn	43	Head	Laborer	Montana
9	Mary Ann Horn THIS PERSON	45	Wife	—	Montana
10	August Horn	16	Son	—	Montana
11	Joan Horn	10	Daughter	—	Montana
12	Floyd Horn	5	Son	—	Montana
13	Anton Bear Below	21	Nephew	Laborer	Montana
14	Joseph Blaine	31	Head	Laborer	Montana
15	Ethel Blaine	30	Wife	—	Montana
16	Josephine Blaine	10	Daughter	—	Montana
17	Albert Blaine	8	Son	—	Montana
18	Joseph Blaine	19	Son	Laborer	Montana
19	Charlie Blaine	13	Son	—	Montana
20	Anthony Blaine	11	Son	—	Montana
21	Richard Blaine	9	Son	—	Montana
22	Guy Bull Tail	28	Son in Law	Laborer	Montana
23	Margaret Bull Tail	24	Daughter	—	Montana
24	Regina Bull Tail	4	Granddaughter	—	Montana
25	Pearl Bull Tail	2	Granddaughter	—	Montana
26	Richard Bull Tail	0	Grandson	—	Montana
27	Benjamin Bear Below	44	Head	Farmer	Montana
28	Alberta Bear Below	42	Wife	—	Montana
29	Raymond Bear Below	13	Son	—	Montana
30	Ruth Bear Below	11	Daughter	—	Montana
31	Pearl Bear Below	10	Daughter	—	Montana
32	Jimmy Bear Below	7	Son	—	Montana
33	Mary Ann Bear Below	3	Daughter	—	Montana
34	Edward Old Crow	25	Son in Law	—	Montana
35	Mildred Old Crow	23	Daughter in Law	—	Montana
36	Woman The Girl	65	Lodger	—	Montana
37	Dan Old Bull	26	Head	Laborer	Montana
38	Nellie Old Bull	23	Wife	—	Montana
39	Bernice Old Bull	6	Daughter	—	Montana
40	Floyd Old Bull	3	Son	—	Montana

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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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