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Lucy Brown — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Philadelphia-County, Pennsylvania

Our Model Tree links this Lucy Brown across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.

Age 18 b. ~1922 Female Daughter Born: Virginia Single

1940 Census Record Details

Census Year1940
LocationPhiladelphia-County, Pennsylvania
SurnameBrown
Given NameLucy
Relationship to HeadDaughter
SexF
Color / RaceBlack
Age18
Marital StatusSingle
BirthplaceVirginia
1935 Residence (City)Philadelphia
1935 Residence (County)Philadelphia
Additional Details
OccupationServant
IndustryPrivate Family
Class of WorkerPW
Hours Worked13
Income (1939)520
Highest GradeHs 2
1935 ResidenceSame Place
Birth StateVirginia
Birth CountryUnited States
Birthplace (normalized)virginia
OccupationServant
Township / WardPhiladelphia
Est. Birth Year~1922

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 Lucy Age Birth yr
Mary Brown Daughter — 16 ~1924
Lucy Brown Daughter — 18 ~1922
Jean Brown Daughter — 11 ~1929
Ruth Brown Daughter — 14 ~1926
Thomas Brown Head — 47 ~1893
John Brown Son — 7 ~1933
William Brown Son — 4 ~1936
Lucinda Brown Spouse — 36 ~1904

Census Appearances

1930
Philadelphia, Pennsylvania
Daughter, age 7
Philadelphia, Pennsylvania · implied b. ~1923 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Brown
Given Name Lucy
Relationship to Head daughter
Sex F
Color / Race Black
Age 7
Marital Status Single
Birthplace Virginia
Father's Birthplace Virginia
Mother's Birthplace Virginia
Occupation none
Can Read/Write Yes
Birth State Virginia
Birth Country United States
Birthplace (normalized) virginia
1940
Philadelphia-County, Pennsylvania
Daughter, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 8 household members
Surname Brown
Given Name Lucy
Relationship to Head Daughter
Sex F
Color / Race Black
Age 18
Marital Status Single
Birthplace Virginia
1935 Residence (City) Philadelphia
1935 Residence (County) Philadelphia
Occupation Servant
Industry Private Family
Class of Worker PW
Hours Worked 13
Income (1939) 520
Highest Grade Hs 2
1935 Residence Same Place
Birth State Virginia
Birth Country United States
Birthplace (normalized) virginia

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 Lucy Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lucy Brown
Daughter · 1940 · age 18 · b. ~1922 · Pennsylvania
★ You are viewing this record
Sibling
William Brown
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Brown
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Brown
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Brown
Sibling · 1940 · age 11
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 — Philadelphia-County, Pennsylvania Open full size

Page Contents

33 people indexed on this census page (nara:1940:m-t0627-03702-00035)

Line Name Age Relation Occupation Birthplace
41 Luther Jennings 46 Head Chauffeur Virginia
42 Louise Jennings 44 Wife Servant Maryland
43 Joseph D. Jennings 21 Son Dishwasher Penna
44 Catherine Jennings 20 Daughter Day Worker Penna
45 Nelson Jennings 19 Son Laborer Penna
46 Luther Jr. Jennings 9 Son — Penna
47 Thomas Brown 47 Head Plasterer Virginia
48 Lucinda D. Brown 36 Wife Servant Virginia
49 Lucy Brown THIS PERSON 18 Daughter Servant Virginia
50 Mary Brown 16 Daughter — Penna
51 Ruth Brown 14 Daughter — Penna
52 Jean Brown 11 Daughter — Penna
53 John Brown 7 Son — Penna
54 William Brown 4 Son — Penna
55 Lloyd Medley 27 Head Plasterer Penna
56 Alice Medley 26 Wife Servant Virginia
57 Rhudolph Givens 36 Head Butler Penna
58 Roberta Givens 34 Wife Servant N. Carolina
59 Julia Mae Ivey 32 Sister-in-law Servant N. Carolina
62 Mary Orr 58 Head None Germany
68 Frank Ready 38 Head Tailoring Virginia
69 Hazel Ready 37 Wife Servant S. Carolina
70 Annie Johnson 20 Daughter New Worker S. Carolina
71 William Bauman 34 Head Gardener Penna
72 Beatrice Bauman 30 Wife — Penna
73 Doris Bauman 8 Daughter — Penna
74 Matilda Bauman 6 Daughter — Penna
75 Gloria Bauman 5 Daughter — Penna
76 Marilyn Bauman 2 Daughter — Penna
77 Arthur Brooks 52 Head Servant Delaware
78 Richard Brooks 24 Son Porter Mass.
79 Arthur Brooks 21 Son Porter Mass.
80 Josephine Brooks 20 Son Servant Mass.

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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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