Mary Valentine — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Howard-County, Indiana

Our Model Tree links this Mary Valentine across the 1920, 1930 and 1940 US Censuses in Howard-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 3-person household.

Age 66 b. ~1874 Female Spouse Born: Illinois Married

1940 Census Record Details

Census Year	1940
Location	Howard-County, Indiana
Surname	Valentine
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Kokomo City
1935 Residence (County)	Howard
Additional Details
Occupation	Housewife
Class of Worker	NP
Highest Grade	No 8
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois
Occupation	Housewife
Township / Ward	Kokomo City
Est. Birth Year	~1874

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
Charles Valentine	Head	—	73	~1867
Mary Valentine	Spouse	—	66	~1874
Mary Smith	Daughter	—	20	~1920

Census Appearances

1920

Howard, Indiana

Spouse, age 45

Howard, Indiana · implied b. ~1875 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Valentine
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Illinois
Father's Birthplace	Indiana
Mother's Birthplace	Kentucky
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1930

Howard, Indiana

Other, age 56

Howard, Indiana · implied b. ~1874 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Valentine
Given Name	Mary Ella
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	56
Marital Status	Married
Birthplace	Illinois
Age at First Marriage	16
Father's Birthplace	Indiana
Mother's Birthplace	Kentucky
Can Read/Write	Yes
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

1940

Howard-County, Indiana

Spouse, age 66

Howard-County, Indiana · implied b. ~1874 — 3 household members

Surname	Valentine
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Illinois
1935 Residence (City)	Kokomo City
1935 Residence (County)	Howard
Occupation	Housewife
Class of Worker	NP
Highest Grade	No 8
1935 Residence	Same place
Birth State	Illinois
Birth Country	United States
Birthplace (normalized)	illinois

Model Tree

Linked across censuses

Our Model Tree links Mary Valentine 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 Valentine

Spouse · 1940 · age 66 · b. ~1874 · Indiana

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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 — Howard-County, Indiana Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01053-00219)

Line	Name	Age	Relation	Occupation	Birthplace
1	Della Stewart	42	Wife	Housewife	Indiana
2	Allen Dean Stewart	14	Son	—	Indiana
3	Mary Edith Stewart	12	Daughter	—	Indiana
4	Omer Hubbard	48	Head	Laborer	Ohio
5	Hazel Hubbard	37	Wife	Housewife	Indiana
6	Robert Hubbard	16	Son	Attendant	Indiana
7	Leo Campbell	27	Head	Salesman	Indiana
8	Berniece Campbell	27	Wife	Housework	Indiana
9	Robert Campbell	2	Son	—	Indiana
10	Charles Valentine	73	Head	Iron Moulder	New York
11	Mary Valentine THIS PERSON	66	Wife	Housewife	Illinois
12	Mary K. Smith	20	Daughter	Seamstress	Indiana
13	Harry May	29	Head	Laborer	Indiana
14	Irene May	26	Wife	Housewife	Indiana
15	Margaret May	2	Daughter	—	Indiana
16	Maurice Hughes	50	Head	Laborer	Indiana
17	Ethel Hughes	47	Wife	Housewife	Indiana
18	Pauline Hughes	27	Sister in law	Housework	Indiana
19	Carl Hughes	21	Brother in law	Pole Presser	Indiana
20	Cleo Hughes	18	Brother in law	Clean Castings	Indiana
21	Dorothy Hughes	17	Sister in law	—	Indiana
22	Betty Lou Hughes	12	Sister in law	—	Indiana
23	Wilma Hughes	9	Sister in law	—	Indiana
24	Monroe Hunt	49	Head	Laborer	Indiana
25	Veneda Hunt	34	Wife	Housewife	Indiana
26	Robert Hunt	13	Son	—	Indiana
27	Arvilla Hunt	10	Son	—	Indiana
28	Florence Hunt	8	Daughter	—	Indiana
29	Loyd Hunt	5	Son	—	Indiana
30	Cara Bell Hunt	3	Daughter	—	Indiana
31	Monroe Jr. Hunt	1	Son	—	Indiana
32	Harry Hiatt	31	Head	Tool Grinder	Indiana
33	Alice Hiatt	25	Wife	Housewife	Indiana
34	Don L. Guernsey	8	Step-son	—	Indiana
35	William Walls	28	Head	Laborer	Indiana
36	Mary Walls	25	Wife	Housewife	Indiana
37	Evelyn Walls	4	Daughter	—	Indiana
38	Matilda Gordon	73	Head	Housewife	Indiana
39	Wanita Gordon	20	Daughter	Brusher	Indiana
40	James Job	64	Head	Laborer	Indiana

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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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