MC
Mary Caldwell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Elbert-County, Georgia
Our Model Tree links this Mary Caldwell across the 1920, 1930 and 1940 US Censuses in Elbert-County, Georgia (XGBoost, ~Confirmed), with identified parents Henry & Lula — first a daughter (b.~1912), then head of a 7-person household.
Age 28
b. ~1912
Female
Daughter
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Elbert-County, Georgia |
| Surname | Caldwell |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Elam Dist 191 |
| 1935 Residence (County) | Elbert |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Elam Dist 191 |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Sara Caldwell | Daughter | — | 26 | ~1914 |
| Mary Caldwell | Daughter | — | 28 | ~1912 |
| Belee Caldwell | Daughter | — | 14 | ~1926 |
| Ruth Caldwell | Daughter | — | 19 | ~1921 |
| Henry Caldwell | Head | — | 61 | ~1879 |
| Agnes Caldwell | Other | — | 56 | ~1884 |
| Rosa Caldwell | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Elbert, Georgia
Daughter, age 8
Elbert, Georgia · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1930
Elbert, Georgia
Daughter, age 18
Elbert, Georgia · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Caldwell |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Elbert-County, Georgia
Daughter, age 28
Elbert-County, Georgia · implied b. ~1912 — 7 household members
| Surname | Caldwell |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Elam Dist 191 |
| 1935 Residence (County) | Elbert |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 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 Caldwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Caldwell (~0.92 confidence) and mother Lula Caldwell (~0.92 confidence) and mother Rosa Caldwell (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Caldwell
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Lula Caldwell
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Rosa Caldwell
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Caldwell
Daughter · 1940 · age 28 · b. ~1912 · Georgia
★ You are viewing this record
Sibling
Sara Caldwell
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Caldwell
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Belee Caldwell
Sibling · 1940 · age 14
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 — Elbert-County, Georgia
Open full size
1940 US Federal Census — Elbert-County, Georgia
Page Contents
27 people indexed on this census page (nara:1940:m-t0627-00669-00276)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Odell Laney | 28 | Head | Laborer | Georgia |
| 2 | Ruth Laney | 30 | Wife | — | Georgia |
| 3 | Sara M Laney | 9 | Daughter | — | Georgia |
| 4 | James H Laney | 7 | Son | — | Georgia |
| 5 | Johnnie Lou Laney | 5 | Daughter | — | Georgia |
| 6 | Jimmie Lou Laney | 4 | Son | — | Georgia |
| 7 | Prate Miles | 20 | Head | Farmer | Georgia |
| 8 | Irene B Miles | 20 | Wife | — | Georgia |
| 9 | Walter Miles | 2 | Son | — | Georgia |
| 10 | Wallace Miles | 2 | Son | — | Georgia |
| 11 | J Ward Dixon | 52 | Head | Farmer | Georgia |
| 12 | Martha S Dixon | 49 | Wife | — | Georgia |
| 13 | David Dixon | 24 | Son | Helper | Georgia |
| 14 | Cynthia Dixon | 27 | Daughter | — | Georgia |
| 15 | Sara Dixon | 16 | Daughter | — | Georgia |
| 16 | Martha Dixon | 9 | Daughter | — | Georgia |
| 17 | Henry Caldwell | 61 | Head | Farmer | Georgia |
| 18 | Rosa B Caldwell | 52 | Wife | — | Georgia |
| 19 | Mary F Caldwell THIS PERSON | 28 | Daughter | — | Georgia |
| 20 | Sara M Caldwell | 26 | Daughter | — | Georgia |
| 21 | Ruth A Caldwell | 19 | Daughter | — | Georgia |
| 22 | Belee B Caldwell | 14 | Daughter | — | Georgia |
| 23 | Agnes Caldwell | 56 | Sister | — | Georgia |
| 24 | Buster A Dixon | 28 | Head | Carpenter | Georgia |
| 25 | Lucile D Dixon | 28 | Wife | — | Georgia |
| 26 | Ralph W Dixon | 3 | Son | — | Georgia |
| 27 | Harry W Dixon | 1 | Son | — | Georgia |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)