JD
Julia Davis — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jefferson, Alabama
Our Model Tree links this Julia Davis across the 1910, 1920 and 1930 US Censuses in Jefferson, Alabama (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 2-person household.
Age 28
b. ~1902
Female
Head
Born: Alabama
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Jefferson, Alabama |
| Surname | Davis |
| Given Name | Julia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| Age at First Marriage | 18 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Servant |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1902 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Julia Davis | Head | — | 28 | ~1902 |
| Jessie Davis | Son | — | 10 | ~1920 |
Census Appearances
1910
None, None
Other, age 8
None, None · implied b. ~1902
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Davis |
| Given Name | Julia |
| Relationship to Head | Grand Child |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1920
Jefferson, Alabama
Other, age 17
Jefferson, Alabama · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Julian |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Farmhand |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Head, age 28
Jefferson, Alabama · implied b. ~1902 — 2 household members
| Surname | Davis |
| Given Name | Julia |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| Age at First Marriage | 18 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | No |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| 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 Julia Davis across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Julia Davis
Head · 1930 · age 28 · b. ~1902 · 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
50 people indexed on this census page (ia:1930:15thcensus29usce:0658)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Henry H Marlen | 45 | Head | Retail Merchant | Georgia |
| 52 | Otha L Marlen | 45 | Wife | — | Georgia |
| 53 | Emmaline Marlen | 18 | Daughter | — | Georgia |
| 54 | Huey Thomas | 29 | Head | Miner | Alabama |
| 55 | Lela Thomas | 28 | Wife | — | Alabama |
| 56 | Charlie Chestnut | 38 | Head | Miner | Alabama |
| 57 | Sara Chestnut | 26 | Sister | — | Alabama |
| 58 | Finley Huff | 49 | Head | Teamster | Georgia |
| 59 | Ella Huff | 35 | Wife | Laundress | Georgia |
| 60 | Bertha L Huff | 23 | Daughter | Servant | Georgia |
| 61 | Ruby M Huff | 7 | Daughter | — | Georgia |
| 62 | Charles Huff | 5 | Daughter | — | Georgia |
| 63 | Irma Huff | 3 | Daughter | — | Alabama |
| 64 | Julia Davis THIS PERSON | 28 | Head | Servant | Alabama |
| 65 | Jessie Davis | 10 | Son | — | Alabama |
| 66 | Eliza Burnett | 34 | Head | — | Alabama |
| 67 | Vernon Burnett | 1 | Adopted Son | — | Alabama |
| 68 | Isaac Allen | 48 | Head | Miner | Alabama |
| 69 | Carrie Allen | 40 | Wife | — | Alabama |
| 70 | Willie Mcghee | 25 | Nephew | Trip Rider | Alabama |
| 71 | Richard Mcghee | 16 | Nephew | Porter | Alabama |
| 72 | Johnnie Mcghee | 21 | Neice | — | Alabama |
| 73 | Will Dawson | 40 | Head | Truck Driver | Alabama |
| 74 | Minnie Dawson | 40 | Wife | — | Georgia |
| 75 | Frank Thomas | 12 | Adopted Son | — | Alabama |
| 76 | Lula B Thomas | 7 | Daughter | — | Alabama |
| 77 | Mary Chambers | 45 | Guest | Servant | Georgia |
| 78 | Will Smith | 39 | Head | Brakeman | Alabama |
| 79 | Pearl Smith | 33 | Wife | — | Alabama |
| 80 | Henry Nathan | 32 | Head | Switchman | Alabama |
| 81 | Maude Nathan | 28 | Wife | — | Alabama |
| 82 | Jessie M Mcduff | 24 | Boarder | Servant | Georgia |
| 83 | William H Robinson | 39 | Head | Straightener | Alabama |
| 84 | Carrie Robinson | 29 | Wife | Saleswoman | Alabama |
| 85 | Clarence Robinson | 13 | Son | — | Alabama |
| 86 | Wade Rucker | 30 | Head | Fireman | Alabama |
| 87 | Emma Rucker | 30 | Wife | — | Alabama |
| 88 | Madeline Rucker | 11 | Daughter | — | Alabama |
| 89 | Jim Smith | 40 | Head | Switchman | Alabama |
| 90 | Anna B Still | 25 | Neice | — | Alabama |
| 91 | John Still | 5 | Nephew | — | Alabama |
| 92 | A J Jerry | 48 | Head | Laborer | Georgia |
| 93 | Artie Jerry | 36 | Wife | — | Alabama |
| 94 | Lillian Jerry | 14 | Daughter | — | Alabama |
| 95 | Allie Jerry | 9 | Daughter | — | Alabama |
| 96 | A J Jr Jerry | 8 | Son | — | Alabama |
| 97 | Rufus Jerry | 6 | Son | — | Alabama |
| 98 | Dallas L Jerry | 5 | Son | — | Alabama |
| 99 | John Harris | 50 | Head | Miner | Alabama |
| 100 | Dolly Harris | 44 | Wife | — | 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)