Mary Cramer — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Queens, New York

Our Model Tree links this Mary Cramer across the 1930 and 1940 US Censuses in Queens, New York (XGBoost, ~Confirmed) — first a spouse (b.~1889), then head of a 6-person household.

Age 41 b. ~1889 Female Spouse Born: New York Married

1930 Census Record Details

Census Year	1930
Location	Queens, New York
Surname	Cramer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	New York
Age at First Marriage	22
Father's Birthplace	New York
Mother's Birthplace	New York
Additional Details
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	New York City
Est. Birth Year	~1889

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
Charles Cramer	Son	—	4	~1926
Emma Cramer	Daughter	—	13	~1917
Charles Cramer	Head	—	46	~1884
Viola Cramer	Daughter	—	18	~1912
Mary Cramer	Spouse	—	41	~1889
Mildred Cramer	Daughter	—	16	~1914

Census Appearances

1930

Queens, New …

Spouse, age 41

Queens, New York · implied b. ~1889 — 6 household members

Surname	Cramer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	41
Marital Status	Married
Birthplace	New York
Age at First Marriage	22
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Queens-County, New …

Spouse, age 51

Queens-County, New York · implied b. ~1889 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Kramer
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	51
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
Occupation	Secretary
Industry	Public Utilities
Class of Worker	PW
Hours Worked	40
Income (1939)	988
Highest Grade	Hs 4
1935 Residence	New York
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

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 41 · b. ~1889 · 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 — Queens, New York Open full size

Page Contents

46 people indexed on this census page (ia:1930:newyorkcensus00reel1592:0347)

Line	Name	Age	Relation	Occupation	Birthplace
51	Henry Sperl	45	Head	Inspector	New York
52	Mary Sperl	33	Wife	Nurse	New York
53	Muriel Sperl	13	Daughter	—	New York
54	Viola Scofield	46	Head	Laundress	South Carolina
55	Eva Scofield	19	Daughter	—	South Carolina
56	Oswald Scofield	26	Brother	Painter	South Carolina
57	Elizabeth Scofield	30	Sister in law	—	South Carolina
58	William Scofield	23	Brother	Helper	South Carolina
59	Mary Scofield	15	Sister	—	South Carolina
60	Herbert Scofield	12	Brother	—	South Carolina
61	Eva Scofield	11	Sister	—	South Carolina
62	Primrose, Gertrude Scofield	24	Boarder	Laundress	South Carolina
63	Naomi Parrott	8	Niece	—	South Carolina
64	Walter Powell	31	Head	Real Estate	Alabama
65	Margaret Powell	46	Wife	Laundress	North Carolina
66	Samuel Lanshorn	40	Boarder	Laborer	Virginia
67	Ernest Vincent	26	Head	Manager	New York
68	Ruth Vincent	25	Wife	—	New York
69	Ernest Vincent	3	Son	—	New York
70	Robert Vincent	2	Son	—	New York
71	Richard Vincent	0	Son	—	New York
72	Samuel Guffin	52	Head	Tailor	Russia
73	Minnie Guffin	47	Wife	—	Russia
74	Herbert Guffin	26	Son	Dentist	New York
75	Sylvia Guffin	18	Daughter	Clerk	New York
76	Ralph Guffin	23	Son	Salesman	New York
77	Adele Guffin	22	Daughter in law	—	Russia
78	Robert John	42	Head	Laundry Man	South Carolina
79	Lula John	43	Wife	—	South Carolina
80	Edward Chadwick	49	Head	Laborer	North Carolina
81	Sally Chadwick	39	Wife	—	North Carolina
82	Henry Horne	30	Head	Waiter	Georgia
83	Helen Horne	23	Wife	—	Georgia
84	Rosanna Horne	10	Daughter	—	New York
85	Marylou Horne	7	Daughter	—	New York
86	Henry Conrad	35	Head	Driver	New York
87	Frances Conrad	25	Wife	—	New York
88	Henry Jr. Conrad	6	Son	—	New York
89	Dorothy Conrad	4	Daughter	—	New York
90	Gloria Conrad	2	Daughter	—	New York
91	Charles Cramer	46	Head	Roofer	New York
92	Mary Cramer THIS PERSON	41	Wife	—	New York
93	Viola Cramer	18	Daughter	Helper	New York
94	Mildred Cramer	16	Daughter	Helper	New York
95	Emma Cramer	13	Daughter	—	New York
96	Charles Cramer	4	Son	—	New York

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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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