Mary Snider — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mercer-County, Ohio

Our Model Tree links this Mary Snider across the 1920, 1930 and 1940 US Censuses in Mercer-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 6-person household.

Age 47 b. ~1893 Female Spouse Born: Ohio Married

1940 Census Record Details

Census Year	1940
Location	Mercer-County, Ohio
Surname	Snider
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Coldwater Village
1935 Residence (County)	Mercer
Additional Details
Occupation	Housewife
Industry	Home
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Occupation	Housewife
Township / Ward	Coldwater Village
Est. Birth Year	~1893

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
Earl Snider	Head	—	48	~1892
Lydia Snider	Daughter	—	15	~1925
Robert Snider	Son	—	14	~1926
Mary Snider	Spouse	—	47	~1893
Naomi Snider	Daughter	—	19	~1921
Donald Snider	Son	—	21	~1919

Census Appearances

1920

Mercer, Ohio

Spouse, age 26

Mercer, Ohio · implied b. ~1894 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Snider
Given Name	Mary
Relationship to Head	wife
Sex	F
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Ohio
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Mercer, Ohio

Spouse, age 36

Mercer, Ohio · implied b. ~1894 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Snider
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	36
Marital Status	Married
Birthplace	Ohio
Age at First Marriage	24
Father's Birthplace	Ohio
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Mercer-County, Ohio

Spouse, age 47

Mercer-County, Ohio · implied b. ~1893 — 6 household members

Surname	Snider
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Coldwater Village
1935 Residence (County)	Mercer
Occupation	Housewife
Industry	Home
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Linked across censuses

Our Model Tree links Mary Snider 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 Snider

Spouse · 1940 · age 47 · b. ~1893 · Ohio

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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 — Mercer-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03114-00057)

Line	Name	Age	Relation	Occupation	Birthplace
41	Chas. A. Fischer	57	Head	Manager Of Branch	Ohio
42	Estella Fischer	57	Wife	Housewife	Ohio
43	Harold Fischer	23	Son	Salesman	Chicago
44	Ben J. Kaufhagen	58	Head	Laborer	Ohio
45	Eleonora Kaufhagen	51	Wife	Housewife	Ohio
46	Marilyn Kaufhagen	9	Daughter	—	Ohio
47	Maxine Kaufhagen	7	Daughter	—	Ohio
48	Myra Kaufhagen	5	Daughter	—	Ohio
49	Marlene Kaufhagen	1	Daughter	—	Ohio
50	Earl E. Snider	48	Head	Shipping Clerk	Ohio
51	Mary Snider THIS PERSON	47	Wife	Housewife	Ohio
52	Donald Snider	21	Son	Laborer	Ohio
53	Naomi Snider	19	Daughter	Student	Ohio
54	Lydia Snider	15	Daughter	Student	Ohio
55	Robert Snider	14	Son	Student	Ohio
56	Wm. Garke	56	Head	Laborer	Ohio
57	Edith Garke	24	Daughter	Book-Keeper	Ohio
58	John Kemper	27	Son-in-law	Laborer	Ohio
59	Angela Kemper	25	Daughter	Housewife	Ohio
60	Ben Lochtefeld	56	Head	Fireman & Engineer	Ohio
61	Mary Lochtefeld	54	Wife	Housewife	Ohio
62	Adeline Lochtefeld	21	Daughter	Clerk	Ohio
63	Werner Lochtefeld	18	Son	Student	Ohio
64	Daniel Lochtefeld	14	Son	Student	Ohio
65	Albert Voltz	44	Head	Assistant Postmaster	Ohio
66	Leona Voltz	45	Wife	Housewife	Ohio
67	John Voltz	17	Son	Student	Ohio
68	Joseph Voltz	15	Son	Student	Ohio
69	James Voltz	13	Son	—	Ohio
70	Alberta Voltz	11	Daughter	—	Ohio
71	Margaret Voltz	10	Daughter	—	Ohio
72	Frank Knapke	61	Head	Laborer	Ohio
73	Elizabeth Knapke	58	Wife	Housewife	Ohio
74	Edward Knapke	27	Son	Office Clerk	Ohio
75	Esther Knapke	19	Daughter	Office Stenographer	Ohio
76	W. B. Doerck	42	Head	Proprietor & Mgr.	Ohio
77	Opal G. Doerck	38	Wife	Housewife	Ohio
78	Mary A. Doerck	19	Daughter	Clerical	Ohio
79	Annetta Doerck	17	Daughter	Student	Ohio
80	Charles W. Doerck	16	Son	Student	Ohio

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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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