DG
David Green — 1940 US Census Record
Model Tree available1940 United States Federal Census · Duval-County, Florida
Our Model Tree links this David Green across the 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed), with identified parents Julie & Haywood — first a son (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Son
Born: Florida
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Duval-County, Florida |
| Surname | Green |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Const |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 488 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Laborer |
| Township / Ward | Jacksonville |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to David | Age | Birth yr |
|---|---|---|---|---|
| Ranson Green | Son | — | 23 | ~1917 |
| Julie Green | Head | — | 44 | ~1896 |
| David Green | Son | — | 40 | ~1900 |
Census Appearances
1920
Duval, Florida
Other, age 25
Duval, Florida · implied b. ~1895 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | Dan |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Motorman |
| Industry | Street Car |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Duval, Florida
Other, age 35
Duval, Florida · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Green |
| Given Name | David |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Florida |
| Age at First Marriage | 25 |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Gasoline Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1940
Duval-County, Florida
Son, age 40
Duval-County, Florida · implied b. ~1900 — 3 household members
| Surname | Green |
| Given Name | David |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Florida |
| 1935 Residence (City) | Jacksonville |
| 1935 Residence (County) | Duval |
| Occupation | Laborer |
| Industry | Road Const |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 488 |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 David Green across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Julie Green (~0.60 confidence) and father Haywood Walker (~0.55 confidence) and mother Mary Walker (~0.55 confidence). The pedigree spans 2 generations with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.57
Mother
Julie Green
b. ~1896
Source mother
● Household
· direct · ~0.6
Father
Haywood Walker
b. ~1875
Source mother>father
● Household
· direct · ~0.55
Mother
Mary Walker
b. ~1875
Source mother>mother
● Household
· direct · ~0.55
This person
Anchor record
David Green
Son · 1940 · age 40 · b. ~1900 · Florida
★ You are viewing this record
Sibling
Ranson Green
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 — Duval-County, Florida
Open full size
1940 US Federal Census — Duval-County, Florida
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00625-00709)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eloise Horton | 35 | Head | Maid | Alabama |
| 42 | Grant Horton | 31 | Husband | Laborer | Alabama |
| 43 | Rabbie Knox | 34 | Head | Maid | Alabama |
| 44 | Rabbie Knox | 13 | Daughter | Maid | Alabama |
| 45 | Bernice Knox | 11 | Daughter | — | Alabama |
| 46 | Annie B. Knox | 13 | Daughter | — | Alabama |
| 47 | Carrie Harrell | 27 | Head | Maid | Georgia |
| 48 | Willie Harrell | 11 | Son | — | Georgia |
| 49 | Walter Mcfallin | 32 | Head | Cook | Georgia |
| 50 | Trudie Mcfallin | 30 | Wife | Waitress | Georgia |
| 51 | Dugie Mescott | 34 | Head | Cook | Florida |
| 52 | Rosa Mescott | 36 | Wife | — | Florida |
| 53 | Dugie Mescott | 6 | Son | — | Florida |
| 54 | Rosa Mescott | 4 | Daughter | — | Florida |
| 55 | Loran Jimmin | 37 | Head | Laborer | Georgia |
| 56 | Corrie Jimmin | 32 | Wife | — | Florida |
| 57 | Jimmie Jimmin | 9 | Daughter | — | Florida |
| 58 | Bennie Lomas | 32 | Head | Maid | Florida |
| 59 | Eldora Lomas | 13 | Daughter | — | Florida |
| 60 | Gladys Lomas | 18 | Daughter | — | Florida |
| 61 | Willie Moore | 28 | Head | Laborer | Georgia |
| 62 | Maggie L. Moore | 23 | Wife | — | Florida |
| 63 | Walter M. Moore | 9 | Daughter | — | Florida |
| 64 | Nancy L. Moore | 6 | Daughter | — | Georgia |
| 65 | Sidney Little | 65 | Head | — | Georgia |
| 66 | Emily Little | 40 | Wife | — | Florida |
| 67 | Daisy Little | 14 | Daughter | — | Florida |
| 68 | Emily Little | 16 | Daughter | — | Florida |
| 69 | Ella L. Goodwin | 25 | Head | Presser | Florida |
| 70 | Martha Goodwin | 5 | Daughter | — | Florida |
| 71 | Tyretha Goodwin | 4 | Daughter | — | Florida |
| 72 | Lizzie Jackson | 26 | Head | Cook | Florida |
| 73 | Virginia Jackson | 10 | Daughter | — | Florida |
| 74 | Cornelius Jackson | 6 | Son | — | Florida |
| 75 | Floyd Martin | 20 | Head | Laborer | Florida |
| 76 | Jimmy Tatton | 25 | Boarder | Merchant | Florida |
| 77 | Leonora Jones | 40 | Head | Presser | Alabama |
| 78 | Julie Green | 44 | Head | Laborer | Georgia |
| 79 | David Green THIS PERSON | 40 | Son | Laborer | Florida |
| 80 | Ranson Green | 23 | Son | Laborer | Florida |
Pedigree Summary
David + 1 sibling
Gen 1 · 1 parents
~0.6
Gen 2 · 2 grandparents
~0.55
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)