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William Bird — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Philadelphia-County, Pennsylvania

Our Model Tree links this William Bird across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 6-person household.

Age 14 b. ~1926 Male Son Born: South Carolina Single

1940 Census Record Details

Census Year1940
LocationPhiladelphia-County, Pennsylvania
SurnameBird
Given NameWilliam Jr.
Relationship to HeadSon
SexM
Color / RaceBlack
Age14
Marital StatusSingle
BirthplaceSouth Carolina
1935 Residence (City)Philadelphia
1935 Residence (County)Philadelphia
Additional Details
Highest GradeNo 9
1935 ResidenceSame house
Birth StateSouth Carolina
Birth CountryUnited States
Birthplace (normalized)south carolina
Township / WardPhiladelphia
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.

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

Name Relation to head Relative to William Age Birth yr
Effie Bird Daughter — 12 ~1928
William Bird Head — 35 ~1905
Ada Bird Daughter — 11 ~1929
William Bird Son — 14 ~1926
John Bird Daughter — 12 ~1928
Elizabeth Bird Daughter — 7 ~1933

Census Appearances

1930
Philadelphia, Pennsylvania
Son, age 4
Philadelphia, Pennsylvania · implied b. ~1926 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Beard
Given Name William
Relationship to Head Son
Sex M
Color / Race Black
Age 4
Marital Status Single
Birthplace South Carolina
Father's Birthplace North Carolina
Mother's Birthplace South Carolina
Birth State South Carolina
Birth Country United States
Birthplace (normalized) south carolina
1940
Philadelphia-County, Pennsylvania
Son, age 14
Philadelphia-County, Pennsylvania · implied b. ~1926 — 6 household members
Surname Bird
Given Name William Jr.
Relationship to Head Son
Sex M
Color / Race Black
Age 14
Marital Status Single
Birthplace South Carolina
1935 Residence (City) Philadelphia
1935 Residence (County) Philadelphia
Highest Grade No 9
1935 Residence Same house
Birth State South Carolina
Birth Country United States
Birthplace (normalized) south carolina

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 William Bird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Bird
Son · 1940 · age 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Effie Bird
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Bird
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ada Bird
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Bird
Sibling · 1940 · age 7
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

40 people indexed on this census page (nara:1940:m-t0627-03708-00471)

Line Name Age Relation Occupation Birthplace
41 Benjamin Everett 48 Head Porter Penna
42 Catherine Everett 46 Wife Attends Virginia
43 Edna Jones 31 Roomer Seamstress Penna
44 Arline Jones 9 Daughter — Penna
45 Betty Ann Jones 7 Daughter — Penna
46 Harold Jones 6 Son — Penna
47 Robert Mackison 60 Head Carpenter Penna
48 Clarissa Mackison 50 Wife — Penna
49 Howard Mackison 28 Son — Penna
50 Joseph Kobert 49 Head — Penna
51 Emma E. Kobert 64 Wife — Penna
52 George Woods 55 Head — Virginia
53 Lilla Stewart 39 Lodger — South Carolina
54 Lillian Greene 15 Granddaughter — Penna
55 Mary Boyle 54 Head Manager Ireland
56 Sara V. Boyle 33 Daughter House Maid Penna
57 Mary Boyle 35 Daughter Train Nurse Penna
58 William Bird 35 Head Gardener South Carolina
59 Effie Bird 12 Daughter — South Carolina
60 Ada Louise Bird 11 Daughter — Penna
61 Elizabeth Bird 7 Daughter — Penna
62 William Jr. Bird THIS PERSON 14 Son — South Carolina
63 John Bird 12 Daughter — South Carolina
64 John Jackson 40 Head Dealer Georgia
65 Bertha Jackson 37 Wife — Georgia
66 John Jackson 40 Lodger Presser Georgia
67 Samuel Winsome 56 Head Packer Penna
68 Gertrude Winsome 48 Wife Housework Penna
69 Wilfred Winsome 28 Nephew Helper Penna
70 Enda Winsome 28 Wife Maid Georgia
71 Viola Traute 68 Head — Penna
72 Joseph Traute 48 Son Roofer Penna
73 Blanche Traute 50 Wife — Penna
74 John Treuton 70 Uncle Carpenter Penna
75 Rose Mary Knight 22 Head House Work Washington
76 Jessie Dudley 71 Head — Virginia
77 Robert Dabney 50 Head — Virginia
78 Florence Dabney 51 Wife — Baltimore
79 Abigail Tellman 81 Lodger — Delaware
80 Tellman None — — —

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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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