Sophia Smith — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Ingham-County, Michigan

Our Model Tree links this Sophia Smith across the 1920, 1930 and 1940 US Censuses in Ingham-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 2-person household.

Age 42 b. ~1898 Female Head Born: Michigan Widowed

1940 Census Record Details

Census Year	1940
Location	Ingham-County, Michigan
Surname	Smith
Given Name	Sophia
Relationship to Head	head
Sex	F
Color / Race	White
Age	42
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Meridian Twp
1935 Residence (County)	Ingham
Additional Details
Occupation	laundress
Industry	college
Class of Worker	GW
Hours Worked	44
Income (1939)	870
Highest Grade	H-2
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Laundress
Township / Ward	Meridian Twp
Est. Birth Year	~1898

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.

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

Name	Relation to head	Relative to Sophia	Age	Birth yr
Geraldine Smith	Daughter	—	21	~1919
Sophia Smith	Head	—	42	~1898

Census Appearances

1920

Ingham, Michigan

Spouse, age 21

Ingham, Michigan · implied b. ~1899 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Sophia
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	21
Marital Status	Married
Birthplace	Michigan
Father's Birthplace	Germany
Mother's Birthplace	Switzerland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Ingham, Michigan

Spouse, age 32

Ingham, Michigan · implied b. ~1898 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Smith
Given Name	Sophie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Michigan
Age at First Marriage	20
Father's Birthplace	Germany-nr
Mother's Birthplace	Switzerland
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Ingham-County, Michigan

Head, age 42

Ingham-County, Michigan · implied b. ~1898 — 2 household members

Surname	Smith
Given Name	Sophia
Relationship to Head	head
Sex	F
Color / Race	White
Age	42
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Meridian Twp
1935 Residence (County)	Ingham
Occupation	laundress
Industry	college
Class of Worker	GW
Hours Worked	44
Income (1939)	870
Highest Grade	H-2
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

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

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This person

Anchor record

Sophia Smith

Head · 1940 · age 42 · b. ~1898 · Michigan

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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 — Ingham-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01763-00784)

Line	Name	Age	Relation	Occupation	Birthplace
1	Joyce Bush	14	daughter	—	Michigan
2	John Bush	13	son	—	Michigan
3	J. D. Sprig	80	head	—	Michigan
4	Martha Sprig	80	wife	—	Canada-Eng
5	Theresa Danger	24	niece	—	Michigan
6	Sophia Smith THIS PERSON	42	head	Laundress	Michigan
7	Geraldine Smith	21	daughter	General Office	Michigan
8	Lotus Cross	53	head	—	Michigan
9	J. D. Cross	13	son	—	Michigan
10	Garnet Cross	18	daughter	—	Michigan
11	Arlene Cross	16	daughter	—	Michigan
12	Charles Spencer	56	head	Clerk	Michigan
13	Almula Spencer	54	wife	—	Michigan
14	John Jennings	31	head	Metal Finisher	Michigan
15	Ada Jennings	30	wife	—	Michigan
16	Yvonne Jennings	8	daughter	—	Michigan
17	Lydia M. Jennings	2	daughter	—	Michigan
18	Edin Schrom	39	head	Relief \| Teamster	Michigan
19	Alice Schrom	33	wife	—	Michigan
20	Lois Schrom	11	daughter	—	Michigan
21	Allan Schrom	2	son	—	Michigan
22	Carl Ensign	48	head	Machinist	Michigan
23	Bruce Ensign	21	son	New Worker	Michigan
24	Margaret Ensign	20	daughter-in-law	—	Michigan
25	Jack Ensign	15	son	—	Michigan
26	Wayne Ensign	26	son	Trumpet Player	Michigan
27	Donna Ensign	17	daughter-in-law	—	Michigan
28	Kenneth Ensign	9	son	—	Michigan
29	Laurence Wardle	45	head	Assembly Line	Michigan
30	Eva Wardle	39	wife	—	Michigan
31	Alice Wardle	19	daughter	Housework	Michigan
32	Theodore J. Wilson	36	head	Postal Clerk	Missouri
33	Eva M. Wilson	34	wife	—	Michigan
34	Roderick Wilson	5	son	—	Michigan
35	Peter Wilson	1	son	—	Michigan
36	Ralph Marvin	35	head	Credit Manager	Michigan
37	Phoebe Marvin	41	wife	Salad Chef	Michigan
38	Robert E. Marvin	21	son	Salesman	Wisconsin
39	Wayne Wherry	29	head	Metal Finisher	Indiana
40	Clarabel Wherry	26	wife	Clerk	Michigan

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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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