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James Davidson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Louisiana
Our Model Tree links this James Davidson across the 1930 and 1940 US Censuses in Caddo-County, Louisiana (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Louisiana |
| Surname | Davidson |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 6 |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same House |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Police Jury Ward 6 |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Edna Davidson | Daughter | — | 8 | ~1932 |
| Calpurnia Davidson | Daughter | — | 23 | ~1917 |
| Gladys Davidson | Daughter | — | 20 | ~1920 |
| Frankie Davidson | Head | — | 49 | ~1891 |
| James Davidson | Son | — | 15 | ~1925 |
| Jack Davidson | Son | — | 19 | ~1921 |
| Edward Davidson | Son | — | 8 | ~1932 |
| Roy Davidson | Son | — | 12 | ~1928 |
Census Appearances
1930
Caddo, Louisiana
Son, age 5
Caddo, Louisiana · implied b. ~1925 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davidson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Caddo-County, Louisiana
Son, age 15
Caddo-County, Louisiana · implied b. ~1925 — 8 household members
| Surname | Davidson |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Police Jury Ward 6 |
| 1935 Residence (County) | Caddo |
| Class of Worker | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same House |
| 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 James Davidson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Davidson
Son · 1940 · age 15 · b. ~1925 · Louisiana
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Sibling
Gladys Davidson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Davidson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calpurnia Davidson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Davidson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Davidson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Davidson
Sibling · 1940 · age 8
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-t0627-01389-00149)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nessie M. Page | 15 | daughter | — | Louisiana |
| 2 | Audrey Lee Page | 13 | son | — | Louisiana |
| 3 | Frank D. Jennings | 44 | Head | Farmer | Louisiana |
| 4 | Charlotte Jennings | 44 | wife | — | Louisiana |
| 5 | Cage Jennings | 14 | son | — | Louisiana |
| 6 | Warren Jennings | 10 | son | — | Louisiana |
| 7 | Frankie Davidson | 49 | Head | — | Louisiana |
| 8 | Calpurnia Davidson | 23 | daughter | — | Louisiana |
| 9 | Gladys Davidson | 20 | daughter | — | Louisiana |
| 10 | Jack Davidson | 19 | son | — | Louisiana |
| 11 | James Davidson THIS PERSON | 15 | son | — | Louisiana |
| 12 | Roy Davidson | 12 | son | — | Louisiana |
| 13 | Edna Davidson | 8 | daughter | — | Louisiana |
| 14 | Edward Davidson | 8 | son | — | Louisiana |
| 15 | Maggie B. Starks | 50 | Head | — | Louisiana |
| 16 | Elisha G. Davidson | 54 | Head | Farmer | Louisiana |
| 17 | Eula Davidson | 42 | wife | — | Arkansas |
| 18 | Marjorie Davidson | 15 | daughter | — | Louisiana |
| 19 | Francis Davidson | 12 | daughter | — | Louisiana |
| 20 | Jersey D. Walker | 28 | Head | Farmer | Louisiana |
| 21 | Minnie Lee Walker | 23 | wife | — | Louisiana |
| 22 | Ethyl Mae Walker | 6 | daughter | — | Louisiana |
| 23 | W. T. Walker | 15 | Brother | — | Louisiana |
| 24 | Mattie U. Walker | 12 | Sister | — | Louisiana |
| 25 | Charlie C. Davidson | 50 | Head | Farmer | Louisiana |
| 26 | Raymond Davidson | 27 | son | Laborer | Louisiana |
| 27 | Hazel Davidson | 20 | daughter-in-law | — | Louisiana |
| 28 | James M. Davidson | 44 | Head | Farmer | Louisiana |
| 29 | Mary Davidson | 38 | wife | — | Louisiana |
| 30 | Raymond Davidson | 18 | son | Laborer | Louisiana |
| 31 | James Lee Davidson | 17 | son | Laborer | Louisiana |
| 32 | Leola Davidson | 15 | daughter | — | Louisiana |
| 33 | Annie Lura Davidson | 14 | daughter | — | Louisiana |
| 34 | A. Mitchell Davidson | 10 | son | — | Louisiana |
| 35 | Henry A. Davidson | 5 | son | — | Louisiana |
| 36 | Cary O. Mccann | 40 | Head | Farmer | Louisiana |
| 37 | Lottie Mccann | 31 | wife | — | Louisiana |
| 38 | Ella D. Mccann | 15 | daughter | — | Louisiana |
| 39 | Gertrude Mccann | 13 | daughter | — | Louisiana |
| 40 | Alice O. Davidson | 49 | Head | — | 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)