Mary Bauer — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this Mary Bauer across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.

Age 70 b. ~1870 Female Head Born: Indiana Widowed

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Ohio
Surname	Bauer
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	70
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Cincinnati
1935 Residence (County)	Hamilton
Additional Details
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Cincinnati
Est. Birth Year	~1870

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
Mary Bauer	Head	—	70	~1870
Walter Bauer	Son	—	30	~1910
William Bauer	Son	—	33	~1907

Census Appearances

1920

Hamilton, Ohio

Spouse, age 51

Hamilton, Ohio · implied b. ~1869 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Bauer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Hamilton, Ohio

Spouse, age 61

Hamilton, Ohio · implied b. ~1869 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Bauer
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	61
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	23
Father's Birthplace	Indiana
Mother's Birthplace	Germany
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Hamilton-County, Ohio

Head, age 70

Hamilton-County, Ohio · implied b. ~1870 — 3 household members

Surname	Bauer
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	70
Marital Status	Widowed
Birthplace	Indiana
1935 Residence (City)	Cincinnati
1935 Residence (County)	Hamilton
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

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

Show:

This person

Anchor record

Mary Bauer

Head · 1940 · age 70 · b. ~1870 · Ohio

★ You are viewing this record

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

Original Census Page

1940 US Federal Census — Hamilton-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03202-00829)

Line	Name	Age	Relation	Occupation	Birthplace
41	Peter Hoff	50	Head	Machinist	Ohio
42	Anna Hoff	45	Wife	Credit Clerk	Ohio
43	Alex Nikolas	49	Head	Machinist	Austria
44	Julia Nikolas	45	Wife	—	Austria
45	Michel Nikolas	22	Son	—	Ohio
46	Ray Nikolas	17	Son	—	Ohio
47	Catherine Millen	72	Head	—	Ohio
48	Everett Edwards	50	Head	Fireman	Ohio
49	May Edwards	45	Wife	—	Ohio
50	Margie Edwards	10	Daughter	—	Ohio
51	Paul Murphy	32	Head	Service Clerk	Montana
52	Ilene Murphy	33	Wife	—	Montana
53	Donald Murphy	3	Son	—	Montana
54	Carrie Herman	62	Head	—	Ohio
55	Henry Kuhn	65	Head	—	Ohio
56	Lena Kuhn	62	Wife	—	Ohio
57	Edward Mckee	62	Head	—	Ohio
58	Ella Mckee	65	Wife	—	Ohio
59	John Hogan	42	Head	Salesman	Ohio
60	Emily Hogan	41	Wife	—	Indiana
61	Emery Domonkos	46	Head	Butcher	Hungary
62	Blanche Domonkos	34	Wife	—	Hungary
63	Michel Rippeeter	61	Head	Foreman	Indiana
64	Clotilda Rippeeter	62	Wife	—	Ohio
65	John Reinbold	73	Head	—	Ohio
66	Matilda Reinbold	76	Wife	—	Ohio
67	Leona Reinbold	49	Daughter	Manager	Ohio
68	William Kraus	57	Head	Veneer Man	Ohio
69	Catherine Kraus	59	Wife	—	Ohio
70	Alfred Kraus	34	Son	Truck Driver	Ohio
71	Mary Bauer THIS PERSON	70	Head	—	Indiana
72	William Bauer	33	Son	Carpenter	Ohio
73	Walter Bauer	30	Son	Salesman	Ohio
74	Harry Riga	62	Head	Clerk	Ohio
75	Elizabeth Riga	61	Wife	—	Ohio
76	Irvin Riga	34	Son	Window Trimmer	Ohio
77	Oliver Riga	25	Son	Manager	Ohio
78	Jerome Riga	19	Son	—	Ohio
79	Robert Riga	15	Son	—	Ohio
80	Joseph Riga	13	Son	—	Ohio

Search for Mary Bauer

All Mary Bauer Census Records Discover Bauer Family Tree

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)

Report inaccurate data