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Margaret Armstrong — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Jefferson-County, Alabama

Our Model Tree links this Margaret Armstrong across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 8-person household.

Age 14 b. ~1926 Female Daughter Born: Alabama Single

1940 Census Record Details

Census Year1940
LocationJefferson-County, Alabama
SurnameArmstrong
Given NameMargaret
Relationship to HeadDaughter
SexF
Color / RaceBlack
Age14
Marital StatusSingle
BirthplaceAlabama
1935 Residence (City)Birmingham
1935 Residence (County)Jefferson
Additional Details
Class of Worker0
Hours Worked0
Highest GradeHs 5
1935 ResidenceSame place
Birth StateAlabama
Birth CountryUnited States
Birthplace (normalized)alabama
Township / WardBirmingham
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 Margaret Age Birth yr
Isaac Armstrong Head — 33 ~1907
Dorothy Armstrong Daughter — 15 ~1925
Joan Armstrong Daughter — 2 ~1938
Geneva Armstrong Daughter — 1 ~1939
Rose Armstrong Daughter — 4 ~1936
Martha Armstrong Spouse — 33 ~1907
Mary Armstrong Daughter — 13 ~1927
Margaret Armstrong Daughter — 14 ~1926

Census Appearances

1930
Jefferson, Alabama
Daughter, age 3
Jefferson, Alabama · implied b. ~1927 — 50 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Armstrong
Given Name Martha
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace Alabama
Father's Birthplace Alabama
Mother's Birthplace Alabama
Birth State Alabama
Birth Country United States
Birthplace (normalized) alabama
1940
Jefferson-County, Alabama
Daughter, age 14
Jefferson-County, Alabama · implied b. ~1926 — 8 household members
Surname Armstrong
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race Black
Age 14
Marital Status Single
Birthplace Alabama
1935 Residence (City) Birmingham
1935 Residence (County) Jefferson
Class of Worker 0
Hours Worked 0
Highest Grade Hs 5
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 Margaret Armstrong across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Armstrong
Daughter · 1940 · age 14 · b. ~1926 · Alabama
★ You are viewing this record
Sibling
Rose Armstrong
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Armstrong
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geneva Armstrong
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Armstrong
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Armstrong
Sibling · 1940 · age 2
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 — Jefferson-County, Alabama Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-00096-00868)

Line Name Age Relation Occupation Birthplace
1 Booker T. Springer 10 Son — Alabama
2 Jennie Lou Springer 8 Daughter — Alabama
3 Florence Springer 25 Head — Alabama
4 Richie Mae Springer 10 Daughter — Alabama
5 Marion Springer 8 Son — Alabama
6 Charlie Louis Springer 4 Son — Alabama
7 Barbara Jean Springer 3 Daughter — Alabama
8 Minnie White 53 Mother — Georgia
9 Ed Cole 33 Head Janitor Mississippi
10 Annie Cole 31 Wife — Mississippi
11 Bessie Love 24 Cousin — Georgia
12 Curt Love 40 Cousin Laborer Mississippi
14 Eugene Leeth 31 Head Salesman Alabama
15 Mary M. Leeth 26 Wife — Alabama
16 Joseph Leeth 6 Son — Alabama
17 Jacqueline Leeth 4 Daughter — Alabama
18 Sam Irwin 35 Head Laborer Alabama
19 Marcella Irwin 25 Wife — Alabama
20 Tillman Irwin 14 Son — Alabama
21 Uman Irwin 12 Son — Alabama
22 Isaac Armstrong 33 Head Laborer Alabama
23 Martha Armstrong 33 Wife — Alabama
24 Dorothy Armstrong 15 Daughter — Alabama
25 Margaret Armstrong THIS PERSON 14 Daughter — Alabama
26 Mary Lee Armstrong 13 Daughter — Alabama
27 Rose Anne Armstrong 4 Daughter — Alabama
28 Joan Armstrong 2 Daughter — Alabama
29 Geneva Armstrong 1 Daughter — Alabama
30 Annie Pearl Jackson 60 Head Maid Alabama
31 Adam Washington 34 Head — Alabama
32 Willie Mae Washington 26 Wife — Alabama
33 Adam, Jr. Washington 12 Son — Alabama
34 Zephoria Washington 10 Daughter — Alabama
35 Bernice Washington 6 Daughter — Alabama
36 Cassivell Washington 7 Son — Alabama
37 Katherine Washington 3 Daughter — Alabama
38 Lucille Washington 1 Daughter — Alabama
39 Ben Williams 32 Head Laborer Alabama
40 Mary Williams 25 Wife — Alabama

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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