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Mary Lang — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Lang across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.

Age 14 b. ~1926 Female Daughter Born: New Jersey Single

1940 Census Record Details

Census Year1940
LocationUnion-County, New Jersey
SurnameLang
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age14
Marital StatusSingle
BirthplaceNew Jersey
1935 Residence (City)Elizabeth
Additional Details
Income (1939)0
Highest GradeHs 1
Birth StateNew Jersey
Birth CountryUnited States
Birthplace (normalized)new jersey
Township / WardElizabeth
Est. Birth Year~1926

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.

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

Name Relation to head Relative to Mary Age Birth yr
Arthur Lang Head — 43 ~1897
Mary Lang Daughter — 14 ~1926
Ellen Lang Daughter — 5 ~1935
Paul Lang Son — 13 ~1927
Arthur Lang Son — 15 ~1925
Annie Lang Daughter — 10 ~1930
Walter Lang Son — 11 ~1929
Genevieve Lang Spouse — 42 ~1898

Census Appearances

1930
Union, New …
Daughter, age 3
Union, New Jersey · implied b. ~1927 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lang
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace New Jersey
Father's Birthplace Hungary Budapest
Mother's Birthplace Germany Posen
Birth State New Jersey
Birth Country United States
Birthplace (normalized) new jersey
1940
Union-County, New …
Daughter, age 14
Union-County, New Jersey · implied b. ~1926 — 8 household members
Surname Lang
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 14
Marital Status Single
Birthplace New Jersey
1935 Residence (City) Elizabeth
Income (1939) 0
Highest Grade Hs 1
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 Lang across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lang
Daughter · 1940 · age 14 · b. ~1926 · New Jersey
★ You are viewing this record
Sibling
Paul Lang
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Lang
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Lang
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Lang
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Lang
Sibling · 1940 · age 5
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 — Union-County, New Jersey Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02400-00090)

Line Name Age Relation Occupation Birthplace
41 Julia Kryshya 58 Maid Maid Poland
42 John Ross 81 Head — New Jersey
43 Elizabeth Ross 81 Wife — New Jersey
44 Edgar Fuller 43 Head Agent Tennessee
45 Virginia Fuller 38 Wife — Virginia
46 Edith Fuller 9 Daughter — New Jersey
47 Ann Elizabeth Fuller 5 Daughter — New Jersey
48 Arthur Lang 43 Head Secretary New Jersey
49 Genevieve Lang 42 Wife — New Jersey
50 Arthur Lang 15 Son — New Jersey
51 Mary Lang THIS PERSON 14 Daughter — New Jersey
52 Paul Lang 13 Son — New Jersey
53 Walter Lang 11 Son — New Jersey
54 Annie Lang 10 Daughter — New Jersey
55 Ellen Lang 5 Daughter — New Jersey
57 William Davidson 55 Head Executive Ontario
58 Emma Davidson 51 Wife — Ohio
59 Jean Davidson 24 Daughter — New Jersey
60 Dorothy Davidson 22 Daughter — New Jersey
61 Margaret Davidson 22 Daughter — New Jersey
62 Jo Anne Davidson 19 Daughter — New Jersey
63 Wilma Davidson 16 Daughter — New Jersey
64 Margaret Reckup 32 Maid Maid Germany
65 Mary Murphy 36 Maid Maid Ireland
66 Aaron Landis 48 Head Executive Hungary
67 Lucille Landis 41 Wife — New York
68 Bonnie Landis 16 Son — New York
69 David Landis 10 Son — New York
70 Frances De Family 58 Maid Maid Poland
71 Hector Macdonald 40 Head Proprietor Scotland
72 Jean Macdonald 44 Wife Housework Scotland
73 Daniel Macdonald 15 Son — New Jersey
74 William Macdonald 12 Son — Ohio
75 Ian Macdonald 10 Son — Scotland
76 Jean Macdonald 8 Daughter — New Jersey
77 Annie Lilly 65 Head — New Jersey
78 Garrett Lilly 43 Son Supervisor New Jersey
79 Carrie Feldman 46 Daughter — New Jersey
80 Elsie M. Feldman 20 Daughter — New Jersey

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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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