MD
Mary Dudley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this Mary Dudley across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Dudley |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Occupation | Farm |
| Industry | PW |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Farm |
| Township / Ward | Ward 1 |
| Est. Birth Year | ~1930 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Maybelle Dudley | Spouse | — | 35 | ~1905 |
| Richard Dudley | Son | — | 5 | ~1935 |
| Jessie Dudley | Daughter | — | 10 | ~1930 |
| George Dudley | Head | — | 40 | ~1900 |
| Mary Dudley | Daughter | — | 10 | ~1930 |
| George Dudley | Son | — | 7 | ~1933 |
| Emma Dudley | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Caddo, Louisiana
Daughter, age 4
Caddo, Louisiana · implied b. ~1926 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dudley |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Daughter, age 10
Caddo-County, Louisiana · implied b. ~1930 — 7 household members
| Surname | Dudley |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (County) | Caddo |
| Occupation | Farm |
| Industry | PW |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 10 · b. ~1930 · Louisiana
★ You are viewing this record
Sibling
Jessie Dudley
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Dudley
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Dudley
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Dudley
Sibling · 1940 · age 10
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 — Caddo-County, Louisiana
Open full size
1940 US Federal Census — Caddo-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01385-00119)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Caroline James | 7 | Daughter | — | Louisiana |
| 2 | Marvin J. James | 5 | Son | — | Louisiana |
| 3 | Leroy James | 4 | Son | — | Louisiana |
| 4 | Ellish James | 4 | Son | — | Louisiana |
| 5 | Willie Smith | 41 | Head | Farm | Texas |
| 6 | Lillie May Smith | 21 | Wife | 60 | Texas |
| 7 | George W. Dudley | 40 | Head | Farm | Louisiana |
| 8 | Maybelle Dudley | 35 | Wife | Farm | Mississippi |
| 9 | Mary Lee Dudley THIS PERSON | 10 | Daughter | Farm | Louisiana |
| 10 | Emma Lee Dudley | 10 | Daughter | Farm | Louisiana |
| 11 | Jessie Lee Dudley | 10 | Daughter | Farm | Louisiana |
| 12 | George W. Jr. Dudley | 7 | Son | Farm | Louisiana |
| 13 | Richard Lee Dudley | 5 | Son | — | Louisiana |
| 14 | Albert Henderson | 26 | Head | 60 | Louisiana |
| 15 | Jessie Henderson | 23 | Wife | 60 | Louisiana |
| 16 | Louis Washington | 43 | Head | Farm | Louisiana |
| 17 | Daisy Washington | 46 | Wife | Farm | Louisiana |
| 18 | Mary Washington | 17 | Daughter | Farm | Louisiana |
| 19 | Dorothy M. Williams | 5 | Daughter | — | Louisiana |
| 20 | Leon Walker | 20 | Head | 60 | Louisiana |
| 21 | Gertrude Walker | 29 | Sister | 60 | Louisiana |
| 22 | Jessie B. Long | 17 | Niece | 60 | Louisiana |
| 23 | Maggie Walker | 51 | Mother | 60 | Louisiana |
| 24 | O. V. Bass | 26 | Head | 60 | Arkansas |
| 25 | Cora Bass | 28 | Wife | — | Arkansas |
| 26 | Carrie Edwards | 47 | Cousin | 52 | Louisiana |
| 27 | Walter Wright | 45 | Head | 60 | Louisiana |
| 28 | Rosa Wright | 46 | Wife | 60 | Louisiana |
| 29 | Mo Wright | 17 | Son | 60 | Louisiana |
| 30 | Arthur Lee Wright | 13 | Son | — | Louisiana |
| 31 | Francis Ballard | 55 | Head | Farm | Louisiana |
| 32 | Buella Ballard | 30 | Wife | Farm | Louisiana |
| 33 | Charlie Williams | 48 | Head | Farm | Texas |
| 34 | Nettie Williams | 25 | Wife | Farm | Louisiana |
| 35 | Randall Jackson | 31 | Head | Farm | Louisiana |
| 36 | Polly Jackson | 30 | Wife | Farm | Louisiana |
| 37 | Lizzie Jackson | 17 | Daughter | Farm | Louisiana |
| 38 | Annie B. Jackson | 15 | Daughter | Farm | Louisiana |
| 39 | Buella Jackson | 6 | Daughter | — | Louisiana |
| 40 | Mary Jackson | 4 | Daughter | — | Louisiana |
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)