Ellen Peterson — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Ellen Peterson across the 1920, 1930 and 1940 US Censuses in Rockland-County, New York (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 3-person household.

Age 54 b. ~1886 Female Spouse Born: Sweden Married

1940 Census Record Details

Census Year	1940
Location	Rockland-County, New York
Surname	Peterson
Given Name	Ellen
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	South Nyack
1935 Residence (County)	Rockland
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Highest Grade	8
1935 Residence	Same House
Birth Country	Sweden
Birthplace (normalized)	sweden
Township / Ward	South Nyack
Est. Birth Year	~1886

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 Ellen	Age	Birth yr
Ellen Peterson	Spouse	—	54	~1886
Olaf Peterson	Head	—	51	~1889
Anita Peterson	Daughter	—	25	~1915

Census Appearances

1920

Rockland, New …

Spouse, age 34

Rockland, New York · implied b. ~1886 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	PETERSON
Given Name	ELLEN M.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Sweden
Year of Immigration	1902
Naturalization Status	Naturalized
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Swedish
Birth Country	Sweden
Birthplace (normalized)	sweden

1930

Rockland, New …

Spouse, age 43

Rockland, New York · implied b. ~1887 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Peterson
Given Name	Ellen M
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Sweden
Father's Birthplace	Sweden
Mother's Birthplace	Sweden
Can Read/Write	Yes
Mother Tongue	Swedish
Veteran	No
Birth Country	Sweden
Birthplace (normalized)	sweden

1940

Rockland-County, New …

Spouse, age 54

Rockland-County, New York · implied b. ~1886 — 3 household members

Surname	Peterson
Given Name	Ellen
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Sweden
1935 Residence (City)	South Nyack
1935 Residence (County)	Rockland
Naturalization Status	Naturalized
Class of Worker	0
Highest Grade	8
1935 Residence	Same House
Birth Country	Sweden
Birthplace (normalized)	sweden

Model Tree

Linked across censuses

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

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This person

Anchor record

Ellen Peterson

Spouse · 1940 · age 54 · b. ~1886 · 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 — Rockland-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02767-00253)

Line	Name	Age	Relation	Occupation	Birthplace
41	Rosa Riebel	29	Roomer	Telephone Operator	New York
42	Margaret Riebel	12	Daughter	—	New York
43	Paul Morando	39	Head	—	Italy
44	Emma Morando	44	Wife	—	Italy
45	Jamie Morando	12	Daughter	—	New York
46	Olaf Peterson	51	Head	Machinist	Sweden
47	Ellen Peterson THIS PERSON	54	Wife	—	Sweden
48	Anita Peterson	25	Daughter	—	New York
49	Solomon M. Cooper	52	Head	Garage	New York
50	Emeline R. Cooper	52	Wife	—	New York
51	Curtis Cooper	21	Son	—	New York
52	Nelson Cooper	15	Daughter	—	New York
53	Louis M. Cooper	23	Son	Garage Helper	New York
54	Dorothy W. Cooper	24	Daughter-in-law	—	California
55	Leslie Cooper	0	Grandson	—	California
56	Clifford Cockburn	25	Head	Driver Milk Wagon	New Jersey
57	Pearl Cockburn	23	Wife	—	New York
58	Susan R. Buckley	54	Head	—	New York
59	Clarence A. Buckley	29	Son	—	New York
60	Marie Antoinette Buckley	68	Roomer	—	New York
61	Mary A. Mitchell	73	Head	—	New York
62	Paul Mitchell	51	Son	Baker Zunder Grain Co.	New York
63	Frederick Strack	25	Head	Truck Driver	New York
64	Mary Strack	25	Wife	—	New Hampshire
65	Mary H. Hand	70	Head	—	New Jersey
66	Roger H. Hand	67	Brother	—	New York
67	Adeline Hand	66	Sister-in-law	—	New York
68	William H. Hand	34	Nephew	Chemical Engr.	New York
69	William Underhill	70	Head	Janitor Nr School	New York
70	Elizabeth Underhill	60	Wife	—	New York
71	Elsie Scott	24	Daughter	—	New York
72	Walter Scott	24	Step Son	Shipping Clerk Nr Shop	New York
73	William Scott	21	Step Son	—	New York
74	James Jr. Tyler	41	Head	Packer Nr Shop	Alabama
75	Margaret Tyler	42	Wife	—	Mississippi
76	Margie Tyler	16	Daughter	—	Iowa
77	William Tyler	14	Son	—	Iowa
78	Barbara Tyler	9	Daughter	—	New Jersey
79	Louise Richter	43	Head	Childrens Dresses	New York
80	William Amelia Richter	41	Sister	Childrens Dresses	New York

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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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