Mary Ritter — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Kings-County, New York

Our Model Tree links this Mary Ritter across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 9-person household.

Age 40 b. ~1900 Female Spouse Born: N.Y. Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Ritter
Given Name	Mary H.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	N.Y.
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Additional Details
Hours Worked	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	ny
Township / Ward	New York City
Est. Birth Year	~1900

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.

9 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Mary Ritter	Spouse	—	40	~1900
Anna O'Donnell	Spouse	—	35	~1905
Joseph Ritter	Son	—	12	~1928
William Ritter	Son	—	19	~1921
William Mackey	Other	—	70	~1870
Robert Ritter	Son	—	9	~1931
Eileen Ritter	Daughter	—	4	~1936
Perry Ritter	Head	—	41	~1899
Harold Ritter	Son	—	16	~1924

Census Appearances

1930

Kings, New …

Spouse, age 32

Kings, New York · implied b. ~1898 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Rutter
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	N.Y.
Age at First Marriage	22
Father's Birthplace	Italy
Mother's Birthplace	Italy
Occupation	none
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	ny

1940

Kings-County, New …

Spouse, age 40

Kings-County, New York · implied b. ~1900 — 9 household members

Surname	Ritter
Given Name	Mary H.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	40
Marital Status	Married
Birthplace	N.Y.
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Hours Worked	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	ny

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Ritter

Spouse · 1940 · age 40 · b. ~1900 · New York

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

Original Census Page

1940 US Federal Census — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02582-00134)

Line	Name	Age	Relation	Occupation	Birthplace
41	Margaretta F Kirby	51	Lodger	—	N.Y.
42	Herman C Peterson	75	Lodger	—	Sweden
43	Sarah E Peterson	65	Lodger	—	N.Y.
44	Harry S Klark	49	Head	Undertaker'S	N.J.
45	Marion L Klark	43	Wife	—	N.Y.
46	Harry S. Klark	21	Son	—	N.Y.
47	Imogene B. Klark	7	Daughter	—	N.Y.
48	John Von Der Linden	60	Head	Sup'T	Belgium
49	Mary D. Linden	55	Wife	House Work	Belgium
50	Louis Olson	74	Lodger	—	Norway
51	Harold Gay	28	Lodger	Iron-Worker	N.Y.
52	John Gay	30	Lodger	—	N.Y.
53	Patrick Oleary	35	Lodger	—	Ireland
54	Peter Oleary	None	Lodger	—	Ireland
55	James Dean	55	Lodger	—	N.Y.
56	Peter Wysoczynski	50	Lodger	Porter	Austria
57	Walter Ruck	42	Lodger	Tile Setter	N.Y.
58	Mary A Berecich	68	Head	—	Austria
59	Joseph A Berecich	38	Son	—	N.J.
60	Raymond B Berecich	37	Son	Clerk	N.J.
61	John Berecich	28	Son	Driver	N.Y.
62	Francis D Berecich	23	Son	Press	N.Y.
63	Perry Ritter	41	Head	Lumberman	N.Y.
64	Mary H. Ritter THIS PERSON	40	Wife	—	N.Y.
65	William N. Ritter	19	Son	—	N.Y.
66	Harold P. Ritter	16	Son	—	N.Y.
67	Joseph F Ritter	12	Son	—	N.Y.
68	Robert Ritter	9	Son	—	N.Y.
69	Eileen M Ritter	4	Daughter	—	N.Y.
70	William Mackey	70	Father-in-law	—	N.Y.
71	Anna R O'Donnell	35	Wife	Waitress	Scotland
72	Michael O'Donnell	41	Head	Laborer	Scotland
73	Anne Mcguire	43	Wife	—	Scotland
74	John Mcguire	45	Head	Guard	Ireland
75	John Jr. Mcguire	17	Son	—	Scotland
76	Thomas Mcguire	16	Son	—	Scotland
77	Annie Mcguire	14	Daughter	—	Scotland
78	Mary Mcguire	8	Daughter	—	N.Y.
79	William Turner	37	Head	Wireman	N.Y.
80	Concetta Turner	33	Wife	—	Porto Rico

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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)

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