Mary Clarke — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Aurora, South Dakota

Our Model Tree links this Mary Clarke across the 1920 and 1930 US Censuses in Aurora, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 6-person household.

Age 47 b. ~1883 Female Spouse Born: Iowa Married

1930 Census Record Details

Census Year	1930
Location	Aurora, South Dakota
Surname	Clarke
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	17
Father's Birthplace	Wales
Mother's Birthplace	Wales
Additional Details
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa
Township / Ward	Aurora Township T101 R63
Est. Birth Year	~1883

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
George Clarke	Head	—	54	~1876
Willard Clarke	Son	—	19	~1911
Evelyn Clarke	Daughter	—	11	~1919
Mary Clarke	Spouse	—	47	~1883
Elmer Clarke	Son	—	27	~1903
Eileen Clarke	Daughter	—	9	~1921

Census Appearances

1920

Aurora, South …

Spouse, age 37

Aurora, South Dakota · implied b. ~1883 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Clark
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Iowa
Father's Birthplace	Wales
Mother's Birthplace	Wales
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

1930

Aurora, South …

Spouse, age 47

Aurora, South Dakota · implied b. ~1883 — 6 household members

Surname	Clarke
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Iowa
Age at First Marriage	17
Father's Birthplace	Wales
Mother's Birthplace	Wales
Can Read/Write	Yes
Birth State	Iowa
Birth Country	United States
Birthplace (normalized)	iowa

Model Tree

Linked across censuses

Our Model Tree links Mary Clarke across 2 US Census years (1920 and 1930) in Aurora, South Dakota, using XGBoost record linkage.

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This person

Anchor record

Mary Clarke

Spouse · 1930 · age 47 · b. ~1883 · South Dakota

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1930 US Federal Census — Aurora, South Dakota Open full size

Page Contents

50 people indexed on this census page (ia:1930:15thcensus2217unit:0054)

Line	Name	Age	Relation	Occupation	Birthplace
1	Dennis F. Downing	72	Head	Farmer	Illinois
2	Ada G. Downing	70	Wife	—	Ohio
3	Eva M. K. Kippes	23	Boarder	Teacher	South Dakota
4	William C. Livingston	34	Head	Farmer	South Dakota
5	Alma G. Livingston	31	Wife	—	South Dakota
6	Mervin M. Livingston	12	Son	—	South Dakota
7	C. J. Livingston	10	Son	—	South Dakota
8	Arnold C. Livingston	8	Son	—	South Dakota
9	Doris J. Livingston	6	Daughter	—	South Dakota
10	Francis E. Trilla	33	Head	Farmer	South Dakota
11	Mable H. Trilla	29	Wife	—	South Dakota
12	Clifford H. Trilla	6	Son	—	South Dakota
13	George E. Clarke	54	Head	Farmer	Minnesota
14	Mary Clarke THIS PERSON	47	Wife	—	Iowa
15	Elmer E. Clarke	27	Son	Farm Labor	South Dakota
16	Willard J. Clarke	19	Son	—	South Dakota
17	Evelyn M. Clarke	11	Daughter	—	South Dakota
18	Eileen H. Clarke	9	Daughter	—	South Dakota
19	Phinias E. Dewey	50	Head	Farmer	Iowa
20	Anna R. Dewey	43	Wife	—	Germany
21	Thomas E. Dewey	17	Son	—	South Dakota
22	Clifford Dewey	14	Son	—	South Dakota
23	Eva M. Dewey	12	Daughter	—	South Dakota
24	Lucile F. Dewey	9	Daughter	—	South Dakota
25	Francis J. Dewey	3	Son	—	South Dakota
26	Andrew H. Dole	43	Head	Farmer	South Dakota
27	Millie M. Dole	40	Wife	—	South Dakota
28	Leo M. Dole	16	Son	—	South Dakota
29	Johnny H. Dole	14	Son	—	South Dakota
30	Marie V. Dole	9	Daughter	—	South Dakota
31	John Dole	45	Head	Farmer	South Dakota
32	Julia Dole	47	Wife	—	Illinois
33	Orville W. Dole	11	Son	—	South Dakota
34	Ellen M. Dole	83	Mother	—	Germany
35	Eileen M. Goode	19	Boarder	Teacher	South Dakota
36	Paul Blumre	37	Head	Farmer	Germany
37	Emma M. H. Blumre	27	Wife	—	South Dakota
38	Edline L. Blumre	1	Daughter	—	South Dakota
39	Carl Blumre	65	Head	Farmer	Germany
40	Mary Blumre	55	Wife	—	Germany
41	Otto Schranck	42	Head	Farmer	South Dakota
42	Agatha A. Schranck	38	Wife	—	South Dakota
43	Clarence Schranck	17	Son	—	South Dakota
44	Lawrence Schranck	16	Son	—	South Dakota
45	Wallace Schranck	10	Son	—	South Dakota
46	Florence Schranck	4	Daughter	—	South Dakota
47	Robert Kopp	53	Head	Farmer	Iowa
48	Edna L. Kopp	42	Wife	—	Ohio
49	David S. Kopp	16	Son	—	South Dakota
50	Dorothy J. Kopp	15	Daughter	—	South Dakota

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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