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Lillian Cook — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Camden-County, New Jersey

Our Model Tree links this Lillian Cook across the 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 7-person household.

Age 23 b. ~1917 Female Daughter Born: New Jersey Single

1940 Census Record Details

Census Year1940
LocationCamden-County, New Jersey
SurnameCook
Given NameLillian
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age23
Marital StatusSingle
BirthplaceNew Jersey
1935 Residence (City)Haddonfield
1935 Residence (County)Camden
Additional Details
OccupationTechnician
IndustryHospital
Class of WorkerPW
Hours Worked44
Income (1939)700
Highest GradeHs 4
1935 ResidenceSame place
Birth StateNew Jersey
Birth CountryUnited States
Birthplace (normalized)new jersey
OccupationTechnician
Township / WardHaddonfield
Est. Birth Year~1917

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.

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

Name Relation to head Relative to Lillian Age Birth yr
Adda Cook Spouse — 56 ~1884
Eleanor Cook Daughter — 18 ~1922
Lillian Cook Daughter — 23 ~1917
Marian Cook Daughter — 25 ~1915
Margaret Cook Daughter — 50 ~1890
B Cook Head — 54 ~1886
Charles Cook Son — 25 ~1915

Census Appearances

1930
Camden, New …
Daughter, age 13
Camden, New Jersey · implied b. ~1917 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cook
Given Name Lillian B
Relationship to Head daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace New Jersey
Age at First Marriage 13
Father's Birthplace Pennsylvania
Mother's Birthplace New Jersey
Occupation none
Can Read/Write Yes
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey
1940
Camden-County, New …
Daughter, age 23
Camden-County, New Jersey · implied b. ~1917 — 7 household members
Surname Cook
Given Name Lillian
Relationship to Head Daughter
Sex F
Color / Race White
Age 23
Marital Status Single
Birthplace New Jersey
1935 Residence (City) Haddonfield
1935 Residence (County) Camden
Occupation Technician
Industry Hospital
Class of Worker PW
Hours Worked 44
Income (1939) 700
Highest Grade Hs 4
1935 Residence Same place
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links Lillian Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillian Cook
Daughter · 1940 · age 23 · b. ~1917 · New Jersey
★ You are viewing this record
Sibling
Eleanor Cook
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Cook
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cook
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cook
Sibling · 1940 · age 50
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Camden-County, New Jersey Open full size

Page Contents

37 people indexed on this census page (nara:1940:m-t0627-02322-00127)

Line Name Age Relation Occupation Birthplace
41 S. Kenneth Mcneal 22 Son Paperwork Mass.
42 Anna Mcneal 45 Sister Clerk Mass.
43 William Mcglaughlin 55 Brother-in-law — Penn.
44 Thomas Hall 37 Head Engineer Ohio
45 Hulda Hall 36 Wife — Penn.
46 H. Alfred Kettler 27 Head Engineer Texas
47 Martha Kettler 22 Wife — Texas
48 George Poole 41 Head Master Mariner Newfoundland
49 Marion Poole 45 Wife — Penn.
50 John Poole 23 Son — Penn.
51 Harry Schaffler 65 Head Special Dept New Jersey
52 Ena Schaffler 53 Wife — Penn.
53 Robert Schaffler 25 Son Executive New Jersey
54 H. Martin Comland 32 Head Teacher Penn.
55 Rebecca Comland 26 Wife — Penn.
56 H. Martin Comland 1 Son — —
57 Anna Stein 67 Head — Germany
58 Emily Stein 51 Daughter Stenographer New Jersey
59 Frederic Stein 46 Son Office Penn.
60 Lillian Brant 66 Head — Penn.
61 — None — — —
62 Daniel Thompson 49 Head Salesman Penn.
63 Frances Thompson 47 Wife — New Jersey
64 Margaret Thompson 19 Daughter — Penn.
65 S. Matilda Till 70 Mother-in-law — Penn.
66 Harry Cassel 62 Head — Penn.
67 Lillian Cassel 52 Wife — Penn.
68 Eleanor Cassel 22 Daughter — Penn.
69 C. Ella Stone 75 Mother-in-law — Penn.
70 A. Marian Moore 44 Sister-in-law — New Jersey
71 B. Carl Cook 54 Head Truck Bus. Penn.
72 Adda Cook 56 Wife — New Jersey
73 Marian Cook 25 Daughter Teacher New Jersey
74 Charles Cook 25 Son Worker New Jersey
75 Lillian Cook THIS PERSON 23 Daughter Technician New Jersey
76 Eleanor Cook 18 Daughter — New Jersey
77 Margaret Cook 50 Daughter — Penn.

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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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