Mary Cramer — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Erie, New York

Our Model Tree links this Mary Cramer across the 1930 and 1940 US Censuses in Erie, New York (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.

Age 45 b. ~1885 Female Spouse Born: Austria Married

1930 Census Record Details

Census Year	1930
Location	Erie, New York
Surname	Cramer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Austria
Naturalization Status	Naturalized
Year of Immigration	1900
Age at First Marriage	23
Father's Birthplace	Austria
Mother's Birthplace	Austria
Additional Details
Can Read/Write	Yes
Mother Tongue	German
Birth Country	Austria
Birthplace (normalized)	austria
Township / Ward	Buffalo City
Est. Birth Year	~1885

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
John Cramer	Head	—	45	~1885
Joseph Cramer	Son	—	12	~1918
Margaret Cramer	Daughter	—	10	~1920
Mary Cramer	Daughter	—	9	~1921
Mary Cramer	Spouse	—	45	~1885
John Cramer	Son	—	15	~1915

Census Appearances

1930

Erie, New …

Spouse, age 45

Erie, New York · implied b. ~1885 — 6 household members

Surname	Cramer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Austria
Naturalization Status	Naturalized
Year of Immigration	1900
Age at First Marriage	23
Father's Birthplace	Austria
Mother's Birthplace	Austria
Can Read/Write	Yes
Mother Tongue	German
Birth Country	Austria
Birthplace (normalized)	austria

1940

Erie-County, New …

Spouse, age 52

Erie-County, New York · implied b. ~1888 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Kramer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Austria
1935 Residence (City)	Buffalo city
1935 Residence (County)	Erie
Naturalization Status	Naturalized
Occupation	Charwoman
Industry	Federal Bldg
Class of Worker	GW
Hours Worked	30
Income (1939)	780
Highest Grade	No 0
1935 Residence	Same house
Birth Country	Austria
Birthplace (normalized)	austria

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Cramer

Spouse · 1930 · age 45 · b. ~1885 · New York

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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 — Erie, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1424:1054)

Line	Name	Age	Relation	Occupation	Birthplace
1	August W Schalck	71	Head	Retired	Germany
2	Matilda Schalck	42	Daughter	Bookkeeper	New York
3	Louis Gramer	24	Head	Laborer	New York
4	Anna Gramer	20	Wife	—	Austria
5	John Gramer	2	Son	—	New York
6	Louis Jr Gramer	0	Son	—	New York
7	Joseph Hoelper	29	Head	Laborer	Austria
8	Rose Hoelper	27	Wife	Housework	Austria
9	Martin Pienner	32	Head	Plumber	New York
10	Evelyn Pienner	28	Wife	—	New York
11	Altha Pienner	9	Daughter	—	New York
12	John Cramer	45	Head	Laborer	Austria
13	Mary Cramer THIS PERSON	45	Wife	—	Austria
14	John Jr Cramer	15	Son	Car Repairing	Austria
15	Joseph Cramer	12	Son	—	New York
16	Margaret Cramer	10	Daughter	—	New York
17	Mary Cramer	9	Daughter	—	New York
18	Albert Hutch	34	Head	Car Builder	New York
19	Lorette Hutch	31	Wife	—	New York
20	James Hutch	8	Son	—	New York
21	Dorothy Hutch	3	Daughter	—	New York
22	Normand Dassing	23	Head	Shipping Clerk	New York
23	Marion Dassing	26	Wife	—	New York
24	Norma Dassing	2	Daughter	—	New York
25	Amandus Tahor	40	Head	Carpenter	New York
26	Alice Tahor	41	Wife	—	New York
27	Kenneth Tahor	8	Son	—	New York
28	August Thom	65	Head	—	Germany
29	Paulette Thom	35	Daughter	Stenographer	New York
30	Robert Thom	32	Son	Clerk	New York
31	Mildred Thom	24	Daughter	Stenographer	New York
32	Fred Hameister	37	Head	Engineer	New York
33	Emma Hameister	32	Wife	—	New York
34	Marie Hameister	7	Daughter	—	New York
35	Norman Hameister	4	Son	—	New York
36	August Wieser	62	Head	—	Germany
37	Marie Wieser	60	Wife	—	Germany
38	William Wieser	20	Son	Billing Clerk	New York
39	Charles Roll	66	Head	Tailor	Germany
40	Agusta Roll	59	Wife	—	New York
41	Julius Stanka	61	Head	Laborer	Germany
42	Clarence Pfister	26	Head	Truck Driver	New York
43	Louise Pfister	25	Wife	—	New York
44	Doris Pfister	3	Daughter	—	New York
45	Jacob Pfister	0	Son	—	New York
46	John Wirtz	62	Head	Polisher	New York
47	Louisa Wirtz	59	Wife	—	New York
48	William Wirtz	33	Son	Watchman	New York
49	Henry Semper	55	Brother	Mechanic	New York
50	—	None	—	—	—

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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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