MR
Mary Robertson — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Chambers, Alabama
Our Model Tree links this Mary Robertson across the 1920 and 1930 US Censuses in Chambers, Alabama (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 3
b. ~1917
Female
Daughter
Born: Alabama
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Chambers, Alabama |
| Surname | Robertson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 10 |
| Est. Birth Year | ~1917 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Essie Robertson | Daughter | — | 5 | ~1915 |
| Mary Robertson | Daughter | — | 3 | ~1917 |
| Willie Robertson | Daughter | — | 6 | ~1914 |
| Cora Robertson | Daughter | — | 9 | ~1911 |
| Henry Robertson | Head | — | 46 | ~1874 |
| Amos Robertson | Son | — | 13 | ~1907 |
| George Robertson | Son | — | 15 | ~1905 |
| Sidney Robertson | Son | — | 10 | ~1910 |
| Ernest Robertson | Son | — | 1 | ~1919 |
| Cora Robertson | Spouse | — | 40 | ~1880 |
Census Appearances
1920
Chambers, Alabama
Daughter, age 3
Chambers, Alabama · implied b. ~1917 — 10 household members
| Surname | Robertson |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| 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 |
1930
Chambers, Alabama
Daughter, age 13
Chambers, Alabama · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roberts |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Mary Robertson across 2 US Census years (1920 and 1930) in Chambers, Alabama, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Robertson
Daughter · 1920 · age 3 · b. ~1917 · Alabama
★ You are viewing this record
Sibling
Ernest Robertson
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Amos Robertson
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Essie Robertson
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sidney Robertson
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Robertson
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Robertson
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Robertson
Sibling · 1920 · age 6
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
1920 US Federal Census — Chambers, Alabama
Open full size
1920 US Federal Census — Chambers, Alabama
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu2unit:0030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pink Robertson | 43 | Head | Farmer | Alabama |
| 52 | Lizzie Robertson | 32 | Wife | — | Georgia |
| 53 | Eddie Robertson | 13 | Daughter | — | Alabama |
| 54 | Hans Robertson | 9 | Son | — | Alabama |
| 55 | Gaye Robertson | 7 | Daughter | — | Alabama |
| 56 | Pink Jr Robertson | 6 | Son | — | Alabama |
| 57 | Mozell Robertson | 5 | Daughter | — | Alabama |
| 58 | Idell Robertson | 4 | Daughter | — | Alabama |
| 59 | Isaac Robertson | 2 | Son | — | Alabama |
| 60 | Clorine Robertson | 0 | Son | — | Alabama |
| 61 | Henry Robertson | 46 | Head | Farmer | Alabama |
| 62 | Cora Robertson | 40 | Wife | — | Alabama |
| 63 | George Robertson | 15 | Son | — | Alabama |
| 64 | Amos Robertson | 13 | Son | — | Alabama |
| 65 | Sidney Robertson | 10 | Son | — | Alabama |
| 66 | Cora Robertson | 9 | Daughter | — | Alabama |
| 67 | Willie Lou Robertson | 6 | Daughter | — | Alabama |
| 68 | Essie Robertson | 5 | Daughter | — | Alabama |
| 69 | Mary Robertson THIS PERSON | 3 | Daughter | — | Alabama |
| 70 | Ernest Robertson | 1 | Son | — | Alabama |
| 71 | G M Moore | 57 | Head | Farmer | Alabama |
| 72 | Sallie Moore | 56 | Wife | — | Alabama |
| 73 | Tom Moore | 37 | Son | Manager | Georgia |
| 74 | Eldora Moore | 27 | Daughter | House Keeper | Alabama |
| 75 | Emma Kate Moore | 26 | Daughter | — | Alabama |
| 76 | George Burdette | 7 | Grand son | — | Alabama |
| 77 | Willie Burdette | 5 | Grand son | — | Alabama |
| 78 | Luther Allen | 20 | Boarder | Teacher | Alabama |
| 79 | J R Moore | 66 | Head | Farmer | Alabama |
| 80 | Mary Moore | 62 | Wife | — | Alabama |
| 81 | J C Moore | 27 | Son | Retailer | Alabama |
| 82 | Earl Farrington | 25 | Head | Laborer | Alabama |
| 83 | Rosa Farrington | 19 | Wife | Laborer | Georgia |
| 84 | Clifford Holloway | 25 | Head | Farmer | Alabama |
| 85 | Mary Lou Holloway | 24 | Wife | — | Alabama |
| 86 | Gladys Bailey | 13 | Cousin | — | Alabama |
| 87 | Blank Crenshaw | 45 | Head | Farmer | Alabama |
| 88 | Georgia Crenshaw | 34 | Wife | — | Georgia |
| 89 | Nellie Crenshaw | 16 | Daughter | — | Alabama |
| 90 | Mary Crenshaw | 13 | Daughter | — | Alabama |
| 91 | May Crenshaw | 9 | Daughter | — | Alabama |
| 92 | John Crenshaw | 5 | Son | — | Alabama |
| 93 | Alonzo Crenshaw | 2 | Son | — | Alabama |
| 94 | Ed Crenshaw | 50 | Head | Farmer | Georgia |
| 95 | Dicey Crenshaw | 40 | Wife | — | Georgia |
| 96 | Emily Hargett | 20 | Daughter | — | Alabama |
| 97 | Iva Belle Crenshaw | 17 | Daughter | — | Alabama |
| 98 | Lonnie Crenshaw | 16 | Daughter | — | Alabama |
| 99 | George Crenshaw | 13 | Son | — | Alabama |
| 100 | Mildred Crenshaw | 10 | Daughter | — | Alabama |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)