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Martha Richardson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Bibb-County, Alabama

Our Model Tree links this Martha Richardson across the 1930 and 1940 US Censuses in Bibb-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 7-person household.

Age 21 b. ~1919 Female Daughter Born: Alabama Single

1940 Census Record Details

Census Year1940
LocationBibb-County, Alabama
SurnameRichardson
Given NameMartha
Relationship to HeadDaughter
SexF
Color / RaceBlack
Age21
Marital StatusSingle
BirthplaceAlabama
1935 Residence (City)Smith Hill
1935 Residence (County)Bibb
Additional Details
OccupationCook
IndustryPrivate home
Class of WorkerPW
Hours Worked35
Income (1939)520
Highest GradeNo 7
1935 ResidenceSame place
Birth StateAlabama
Birth CountryUnited States
Birthplace (normalized)alabama
OccupationCook
Township / WardSmith Hill
Est. Birth Year~1919

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 Martha Age Birth yr
Freddie Richardson Son — 9 ~1931
Johnie Richardson Son — 17 ~1923
Ella Richardson Daughter — 10 ~1930
Hester Richardson Spouse — 41 ~1899
Joe Richardson Head — 47 ~1893
William Richardson Son — 19 ~1921
Martha Richardson Daughter — 21 ~1919

Census Appearances

1930
Bibb, Alabama
Daughter, age 10
Bibb, Alabama · implied b. ~1920 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Richardson
Given Name Martha
Relationship to Head Daughter
Sex F
Color / Race Black
Age 10
Marital Status Single
Birthplace Alabama
Father's Birthplace Alabama
Mother's Birthplace Alabama
Can Read/Write Yes
Birth State Alabama
Birth Country United States
Birthplace (normalized) alabama
1940
Bibb-County, Alabama
Daughter, age 21
Bibb-County, Alabama · implied b. ~1919 — 7 household members
Surname Richardson
Given Name Martha
Relationship to Head Daughter
Sex F
Color / Race Black
Age 21
Marital Status Single
Birthplace Alabama
1935 Residence (City) Smith Hill
1935 Residence (County) Bibb
Occupation Cook
Industry Private home
Class of Worker PW
Hours Worked 35
Income (1939) 520
Highest Grade No 7
1935 Residence Same place
Birth State Alabama
Birth Country United States
Birthplace (normalized) alabama

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 Martha Richardson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Richardson
Daughter · 1940 · age 21 · b. ~1919 · Alabama
★ You are viewing this record
Sibling
William Richardson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Richardson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Freddie Richardson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnie Richardson
Sibling · 1940 · age 17
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 — Bibb-County, Alabama Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00004-00434)

Line Name Age Relation Occupation Birthplace
1 Jerry Johnson 83 Head — Alabama
2 Bessie Johnson 68 Wife — Alabama
3 Samon Johnson 45 Head Farmer Alabama
4 Ethel Johnson 42 Wife — Alabama
5 Lucile Johnson 19 Daughter — Alabama
6 Corine Johnson 17 Daughter — Alabama
7 Charles Smith 69 Head — Alabama
8 Anna Smith 50 Wife — Alabama
9 Elijah Smith 26 Son Laborer Alabama
10 Gilbert Jones 60 Head — Alabama
11 Mary Jones 50 Wife — Alabama
12 Will Brown 40 Head Laborer Alabama
13 Mattie B. Brown 32 Wife — Alabama
14 Willie M. Brown 16 Daughter — Alabama
15 Acie Brown 14 Son — Alabama
16 Fred Brown 12 Son — Alabama
17 Mark Robinson 63 Head Laborer Alabama
18 Emmet Robinson 12 Son — Alabama
19 Mack Jr. Robinson 9 Son — Alabama
20 Luke Boone 30 Head Laborer Alabama
21 Mary Boone 29 Wife — Mississippi
22 Irene M. Boone 10 Daughter — Mississippi
23 Luke Jr. Boone 8 Son — Mississippi
24 Allie B. Boone 8 Daughter — Mississippi
25 Johnie L. Boone 5 Son — Mississippi
26 Annie M. Boone 3 Daughter — Mississippi
27 Christine Boone 1 Daughter — Alabama
28 John Boone 66 Head — Alabama
29 Mathew Boone 27 Son Laborer Alabama
30 Mack Powell 64 Head Laborer Mississippi
31 Jennings, Silvera Powell 54 Sister — Mississippi
32 Doctor Blake 33 Head Laborer Alabama
33 Mamie Blake 32 Wife — Alabama
34 Joe N. Richardson 47 Head Laborer Alabama
35 Hester Richardson 41 Wife — Alabama
36 Martha Richardson THIS PERSON 21 Daughter Cook Alabama
37 William Richardson 19 Son Laborer Alabama
38 Johnie Richardson 17 Son — Alabama
39 Ella Helen Richardson 10 Daughter — Alabama
40 Freddie Richardson 9 Son — Alabama

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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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