MD
Mary Dudley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bibb-County, Georgia
Our Model Tree links this Mary Dudley across the 1930 and 1940 US Censuses in Bibb-County, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1932), then head of a 10-person household.
Age 8
b. ~1932
Female
Daughter
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bibb-County, Georgia |
| Surname | Dudley |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Militia Dist. 519 Hazard |
| 1935 Residence (County) | Bibb |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Militia Dist 519 Hazard |
| Est. Birth Year | ~1932 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charlie Dudley | Daughter | — | 2 | ~1938 |
| Walter Dudley | Son | — | 5 | ~1935 |
| Mattie Dudley | Spouse | — | 45 | ~1895 |
| Albert Dudley | Son | — | 22 | ~1918 |
| Willie Dudley | Head | — | 50 | ~1890 |
| R Dudley | Son | — | 10 | ~1930 |
| Willie Dudley | Daughter | — | 20 | ~1920 |
| Mary Dudley | Daughter | — | 8 | ~1932 |
| Helen Dudley | Daughter | — | 17 | ~1923 |
| Horace Dudley | Son | — | 23 | ~1917 |
Census Appearances
1930
Bibb, Georgia
Daughter, age 2
Bibb, Georgia · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dudley |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Bibb-County, Georgia
Daughter, age 8
Bibb-County, Georgia · implied b. ~1932 — 10 household members
| Surname | Dudley |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Militia Dist. 519 Hazard |
| 1935 Residence (County) | Bibb |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Dudley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dudley
Daughter · 1940 · age 8 · b. ~1932 · Georgia
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Sibling
Walter Dudley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Dudley
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlie Dudley
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
R Dudley
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Willie Dudley
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Dudley
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Horace Dudley
Sibling · 1940 · age 23
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, Georgia
Open full size
1940 US Federal Census — Bibb-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00642-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Verna Arnold | 17 | Wife | Clerk Sales | Georgia |
| 2 | James Arnold | 23 | Head | Farm Work | Georgia |
| 3 | Lillie May Arnold | 18 | Wife | — | Florida |
| 4 | Willie Dudley | 50 | Head | Farming | Georgia |
| 5 | Mattie Dudley | 45 | Wife | Helper | Georgia |
| 6 | Horace Dudley | 23 | Son | Laborer | Georgia |
| 7 | Albert Dudley | 22 | Son | Laborer | Georgia |
| 8 | Willie May Dudley | 20 | Daughter | Instructor Assistant | Georgia |
| 9 | Helen Dudley | 17 | Daughter | — | Georgia |
| 10 | R. B. Dudley | 10 | Son | — | Georgia |
| 11 | Mary Alice Dudley THIS PERSON | 8 | Daughter | — | Georgia |
| 12 | Walter Dudley | 5 | Son | — | Georgia |
| 13 | Charlie May Dudley | 2 | Daughter | — | Georgia |
| 14 | S. J. Hardin | 43 | Head | Farming | Georgia |
| 15 | Lucile Hardin | 39 | Wife | — | Georgia |
| 16 | Hattie Jane Hardin | 24 | Daughter | Farmer | Georgia |
| 17 | Woodrow Hardin | 22 | Son | Helper | Georgia |
| 18 | Rance Hardin | 15 | Son | Helper | Georgia |
| 19 | Mary Elizabeth Hardin | 13 | Daughter | — | Georgia |
| 20 | Louella Hardin | 11 | Daughter | — | Georgia |
| 21 | Inez Hardin | 9 | Daughter | — | Georgia |
| 22 | Isiah Hardin | 7 | Son | — | Georgia |
| 23 | James Hardin | 5 | Son | — | Georgia |
| 24 | Carlton Hardin | 7 | Grandson | — | Georgia |
| 25 | Henry Maynard | 62 | Head | Farming | Georgia |
| 26 | Bertha Maynard | 55 | Wife | Laundress | Georgia |
| 27 | Raymond Young | 51 | Head | Contractor | Georgia |
| 28 | Agnes Young | 47 | Wife | — | Georgia |
| 29 | George Middleton | 62 | Head | Janitor | Georgia |
| 30 | Jessie Middleton | 58 | Wife | — | Georgia |
| 31 | George R. Barfield | 64 | Head | Farming | Georgia |
| 32 | Katie Barfield | 60 | Wife | — | Georgia |
| 33 | Lauren Barfield | 19 | Daughter | — | Georgia |
| 34 | Carlos Lucy Barfield | 75 | Aunt | — | Georgia |
| 35 | Richard Fields | 30 | Head | Helper | Georgia |
| 36 | Margaret Fields | 27 | Wife | Maid | Georgia |
| 37 | Johnny May Fields | 11 | Daughter | — | Georgia |
| 38 | Richard Jr. Fields | 8 | Son | — | Georgia |
| 39 | Willie Lee Fields | 7 | Son | — | Georgia |
| 40 | Josephine Fields | 5 | Daughter | — | Georgia |
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)