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Mary Lamb — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Lamb across the 1930 and 1940 US Censuses in Monmouth-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 9-person household.

Age 11 b. ~1929 Female Daughter Born: New Jersey Single

1940 Census Record Details

Census Year1940
LocationMonmouth-County, New Jersey
SurnameLamb
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceNew Jersey
1935 Residence (City)Manalapan Twp
1935 Residence (County)Monmouth
Additional Details
Income (1939)0
Highest GradeNo 5
1935 ResidenceSame house
Birth StateNew Jersey
Birth CountryUnited States
Birthplace (normalized)new jersey
Township / WardManalapan Twp
Est. Birth Year~1929

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 Lamb Daughter — 11 ~1929
Soren Lamb Son — 8 ~1932
Vincent Lamb Son — 7 ~1933
Leo Lamb Son — 12 ~1928
William Lamb Son — 19 ~1921
John Lamb Son — 18 ~1922
Cecelia Lamb Spouse — 43 ~1897
Joseph Lamb Head — 49 ~1891
Joseph Lamb Son — 14 ~1926

Census Appearances

1930
Monmouth, New …
Daughter, age 2
Monmouth, New Jersey · implied b. ~1928 — 20 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lamb
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 2
Marital Status Single
Birthplace New Jersey
Father's Birthplace New Jersey
Mother's Birthplace New Jersey
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey
1940
Monmouth-County, New …
Daughter, age 11
Monmouth-County, New Jersey · implied b. ~1929 — 9 household members
Surname Lamb
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace New Jersey
1935 Residence (City) Manalapan Twp
1935 Residence (County) Monmouth
Income (1939) 0
Highest Grade No 5
1935 Residence Same house
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 Mary Lamb across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lamb
Daughter · 1940 · age 11 · b. ~1929 · New Jersey
★ You are viewing this record
Sibling
Vincent Lamb
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Lamb
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Soren Lamb
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lamb
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Lamb
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lamb
Sibling · 1940 · age 19
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 — Monmouth-County, New Jersey Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02367-00553)

Line Name Age Relation Occupation Birthplace
1 Norah White 74 Head — New Jersey
2 Fred White 38 Son Laborer New Jersey
3 Irene White 31 Daughter — New Jersey
4 John Rape 64 Head Laborer New York
5 Catherine Rape 52 Wife — New York
6 Richard Rape 22 Son Laborer New York
7 Sigmund Kahaneki 20 Lodger Laborer New Jersey
8 Ben Fineberg 41 Head Furrier Roumania
9 Stella Fineberg 42 Wife — New York
10 Anita Fineberg 17 Daughter — New York
11 Jankel Fischer 43 Lodger Furrier Roumania
12 Tom Cunningham 56 Head — New Jersey
13 Catherine Cunningham 55 Wife — New Jersey
14 Wilbur Cunningham 22 Son Dairy Man New Jersey
15 Francis Cunningham 20 Son Plumber New Jersey
16 Mary Cunningham 15 Daughter — New Jersey
17 Alex Mitchell 45 Hired hand Farm Hand New Jersey
18 Jane Mccarthy 45 Head — New Jersey
19 Robert Mccarthy 24 Son Manager New Jersey
20 Marion Mccarthy 21 Daughter Teacher New Jersey
21 Edward Sweeney 43 Hired hand Farm Hand New Jersey
22 Joseph Sr. Lamb 49 Head Farmer New Jersey
23 Cecelia Lamb 43 Wife — New Jersey
24 John Lamb 18 Son Farmer New Jersey
25 William Lamb 19 Son — New Jersey
26 Joseph Lamb 14 Son — New Jersey
27 Leo Lamb 12 Son — New Jersey
28 Mary Lamb THIS PERSON 11 Daughter — New Jersey
29 Soren Lamb 8 Son — New Jersey
30 Vincent Lamb 7 Son — New Jersey
31 Joseph Rolfe 26 Head Farm Hand Virginia
32 Josie Rolfe 32 Wife — South Carolina
33 Isaac Burgess 36 Brother in law Laborer North Carolina
34 Grace Burgess 23 Sister — Virginia
35 Drucella Burgess 4 Niece — Virginia
36 John H. Burgess 2 Nephew — New Jersey
37 Irene Burgess 0 Niece — New Jersey
38 Jas. W. Johnson 60 Head Porter Virginia
39 Suzane Johnson 39 Wife — South Carolina

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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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