Mary Caldwell — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Butler, Ohio

Our Model Tree links this Mary Caldwell across the 1920, 1930 and 1940 US Censuses in Butler, Ohio (XGBoost, ~Confirmed), with identified parents Grace & Kyle — first a daughter (b.~1913), then head of a 3-person household.

Age 17 b. ~1913 Female Daughter Born: Ohio Single

1930 Census Record Details

Census Year	1930
Location	Butler, Ohio
Surname	Caldwell
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Indiana
Mother's Birthplace	Ohio
Additional Details
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio
Township / Ward	Madison Township
Est. Birth Year	~1913

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Caldwell	Daughter	—	17	~1913
Kyle Caldwell	Head	—	40	~1890
Grace Caldwell	Spouse	—	39	~1891

Census Appearances

1920

Butler, Ohio

Daughter, age 7

Butler, Ohio · implied b. ~1913 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Caldwell
Given Name	Mary E
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	7
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Indiana
Mother's Birthplace	Ohio
Occupation	none
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1930

Butler, Ohio

Daughter, age 17

Butler, Ohio · implied b. ~1913 — 3 household members

Surname	Caldwell
Given Name	Mary
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	17
Marital Status	Single
Birthplace	Ohio
Father's Birthplace	Indiana
Mother's Birthplace	Ohio
Can Read/Write	Yes
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

1940

Butler-County, Ohio

Spouse, age 28

Butler-County, Ohio · implied b. ~1912 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Caldwell
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Ohio
1935 Residence (City)	Middletown City
1935 Residence (County)	Butler
Highest Grade	H-1
1935 Residence	Same Place
Birth State	Ohio
Birth Country	United States
Birthplace (normalized)	ohio

Model Tree

Model Tree available

Our Model Tree links Mary Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Grace Caldwell (~0.92 confidence) and father Kyle Caldwell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Mother

Grace Caldwell

b. ~1891

Source mother

● Household · direct · ~0.92

Father

Kyle Caldwell

b. ~1891

Source father

● Household · direct · ~0.92

This person

Anchor record

Mary Caldwell

Daughter · 1930 · age 17 · b. ~1913 · Ohio

★ You are viewing this record

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

Original Census Page

1930 US Federal Census — Butler, Ohio Open full size

Page Contents

50 people indexed on this census page (ia:1930:ohiocensus00reel1754:0734)

Line	Name	Age	Relation	Occupation	Birthplace
51	John Shoup	58	Head	Farmer	Indiana
52	Jennie Shoup	59	Wife	—	Germany
53	Charles S. Yost	50	Head	Farmer	Ohio
54	Elizabeth Yost	77	Mother	—	Ohio
55	Effie Yost	53	Sister	—	Ohio
56	Frank L. Mark	36	Head	Farmer	Ohio
57	Magdalena Mark	36	Wife	—	Ohio
58	Ida Mark	44	Sister	—	Ohio
59	Edward Mark	41	Brother	—	Ohio
60	Kyle Caldwell	40	Head	Machinist	Indiana
61	Grace Caldwell	39	Wife	—	Ohio
62	Mary Caldwell THIS PERSON	17	Daughter	—	Ohio
63	Lucius G. Bridges	43	Head	Clergyman	North Carolina
64	Mamie Bridges	32	Wife	—	West Virginia
65	Robert Bridges	9	Son	—	West Virginia
66	Eugene Evans	14	Nephew	—	West Virginia
67	Burns Childs	38	Head	Farmer	Ohio
68	Matilda Childs	38	Wife	—	Ohio
69	Julia E. Childs	2	Daughter	—	Ohio
70	Pearl Badgley	39	Head	Carpenter	Ohio
71	Esther Badgley	36	Wife	—	New York
72	Alice Badgley	15	Daughter	—	Ohio
73	Leopold Kaffzig	69	Head	Retail Merchant	Germany
74	Augusta Kaffzig	68	Wife	—	Germany
75	Freda Moorman	38	Daughter	—	Ohio
76	Elmer Schneck	36	Head	Farmer	Ohio
77	Katherine Schneck	28	Wife	—	Ohio
78	Ellen G. Schneck	3	Daughter	—	Ohio
79	Clifford Schneck	2	Son	—	Ohio
80	John W. Snarren	53	Head	Farmer	Ohio
81	Margaret A. Snarren	54	Wife	—	Ohio
82	Hazel M. Snarren	20	Daughter	—	Ohio
83	Fredrick Snarren	16	Son	—	Ohio
84	Margaret Snarren	14	Daughter	—	Ohio
85	Geneva Snarren	8	Daughter	—	Ohio
86	Harry O. Augspurger	47	Head	Farmer	Ohio
87	Lucy Augspurger	42	Wife	—	Ohio
88	Wilda Augspurger	20	Daughter	Farm Laborer	Ohio
89	Sarah Augspurger	19	Daughter	Bookkeeper	Ohio
90	Celga Augspurger	13	Daughter	—	Ohio
91	Tommy Powell	47	Head	—	Kentucky
92	Stanley Powell	22	Son	Farm Laborer	Kentucky
93	Ethel Powell	17	Son	Farm Laborer	Kentucky
94	Mildred M. Powell	11	Daughter	—	Kentucky
95	George Simpson	38	Head	Farm Laborer	Kentucky
96	Ada Simpson	34	Wife	—	Kentucky
97	Lillian Simpson	15	Daughter	—	Kentucky
98	Earl Simpson	12	Son	—	Kentucky
99	Ruby Simpson	10	Daughter	—	Kentucky
100	Jerry Simpson	9	Son	—	Kentucky

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Pedigree Summary

Mary

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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