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John Chambers — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Alabama
Our Model Tree links this John Chambers across the 1920 and 1930 US Censuses in Jefferson, Alabama (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 11-person household.
Age 45
b. ~1885
Male
Head
Born: Alabama
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Alabama |
| Surname | Chambers |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 21 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Carpenter |
| Industry | T.C.I. Plant |
| Class of Worker | W |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Carpenter |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1885 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mildred Chambers | Daughter | — | 4 | ~1926 |
| Irene Chambers | Daughter | — | 15 | ~1915 |
| Velman Chambers | Daughter | — | 18 | ~1912 |
| Lillian Chambers | Daughter | — | 10 | ~1920 |
| Mamie Chambers | Daughter | — | 23 | ~1907 |
| John Chambers | Head | — | 45 | ~1885 |
| Billie Chambers | Other | — | 43 | ~1887 |
| Johnnie Chambers | Other | — | 20 | ~1910 |
| Arbrey Chambers | Other | — | 19 | ~1911 |
| Hoyet Chambers | Son | — | 21 | ~1909 |
| Leon Chambers | Son | — | 7 | ~1923 |
Census Appearances
1920
Jefferson, Alabama
Head, age 34
Jefferson, Alabama · implied b. ~1886 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chambers |
| Given Name | John G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Carpenter |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Head, age 45
Jefferson, Alabama · implied b. ~1885 — 11 household members
| Surname | Chambers |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 21 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Carpenter |
| Industry | T.C.I. Plant |
| Class of Worker | W |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| 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.
Our Model Tree links John Chambers across 2 US Census years (1920 and 1930) in Jefferson, Alabama, using XGBoost record linkage.
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This person
Anchor record
John Chambers
Head · 1930 · age 45 · b. ~1885 · Alabama
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Jefferson, Alabama
Open full size
1930 US Federal Census — Jefferson, Alabama
Page Contents
20 people indexed on this census page (ia:1930:15thcensus30usce:0718)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Street | 15 | Son | — | Alabama |
| 52 | Reubin Simpson | 36 | Head | Rail Straightener | Alabama |
| 53 | Ethel Simpson | 30 | Wife-H | — | Tennessee |
| 54 | Carl Simpson | 11 | Son | — | Alabama |
| 55 | Louise Simpson | 10 | Daughter | — | Alabama |
| 56 | Lloyd Simpson | 7 | Son | — | Alabama |
| 57 | Doris Simpson | 2 | Daughter | — | Alabama |
| 58 | Morris Simpson | 2 | Son | — | Alabama |
| 59 | Alton Simpson | 0 | Son | — | Alabama |
| 60 | John Chambers THIS PERSON | 45 | Head | Carpenter | Alabama |
| 61 | Billie Chambers | 43 | Wife-H | — | Alabama |
| 62 | Mamie Chambers | 23 | Daughter | Saleslady | Alabama |
| 63 | Hoyet Chambers | 21 | Son | — | Alabama |
| 64 | Velman Chambers | 18 | Daughter | — | Alabama |
| 65 | Irene Chambers | 15 | Daughter | — | Alabama |
| 66 | Lillian Chambers | 10 | Daughter | — | Alabama |
| 67 | Leon Chambers | 7 | Son | — | Alabama |
| 68 | Mildred Chambers | 4 | Daughter | — | Alabama |
| 69 | Arbrey Chambers | 19 | Nephew | — | Alabama |
| 70 | Johnnie Chambers | 20 | Nephew | Painter | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)