JD
James Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Massac-County, Illinois
Our Model Tree links this James Davis across the 1920, 1930 and 1940 US Censuses in Massac-County, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Massac-County, Illinois |
| Surname | Davis |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Metropolis |
| 1935 Residence (County) | Massac |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail |
| Class of Worker | PW |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Metropolis |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Hazel Davis | Daughter | — | 18 | ~1922 |
| James Davis | Head | — | 43 | ~1897 |
| Charles Davis | Son | — | 16 | ~1924 |
| James Davis | Son | — | 21 | ~1919 |
| William Davis | Son | — | 20 | ~1920 |
| Maud Davis | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Massac, Illinois
Son, age 1
Massac, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Massac, Illinois
Son, age 11
Massac, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Massac-County, Illinois
Son, age 21
Massac-County, Illinois · implied b. ~1919 — 6 household members
| Surname | Davis |
| Given Name | James W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Metropolis |
| 1935 Residence (County) | Massac |
| Occupation | Salesman |
| Industry | Retail |
| Class of Worker | PW |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and mother Maud Davis (~0.92 confidence) and mother Maud Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Davis
b. ~1898
Source father
● Household
· direct · ~0.92
Father
James Davis
b. ~1897
Source father
● Household
· direct · ~0.92
Father
James Davis
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Maud Davis
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Maud Davis
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Davis
Son · 1940 · age 21 · b. ~1919 · Illinois
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Sibling
Hazel Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Davis
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Davis
Sibling · 1940 · age 16
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 — Massac-County, Illinois
Open full size
1940 US Federal Census — Massac-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00856-00261)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J. T. Burton | 61 | Head | Carpenter | Tennessee |
| 42 | Ida M. Burton | 61 | Wife | — | Kentucky |
| 43 | Orlin Brown | 54 | Head | Baker | Illinois |
| 44 | Lennie Brown | 50 | Wife | — | Illinois |
| 45 | William Ashley | 40 | Head | Laborer | Illinois |
| 46 | Lena Ashley | 30 | Wife | Sew | Kentucky |
| 47 | Betty Jean Ashley | 13 | Daughter | — | Illinois |
| 48 | Billie Bruce Ashley | 12 | Son | — | Illinois |
| 49 | Richard Ashley | 10 | Son | — | Illinois |
| 50 | Lola Mae Ashley | 8 | Daughter | — | Illinois |
| 51 | Shirley Ann Ashley | 5 | Daughter | — | Illinois |
| 52 | Ronald Joe Ashley | 2 | Son | — | Illinois |
| 53 | Lulie Hall | 69 | Head | — | Illinois |
| 54 | Mame Julia Hall | 47 | Sister | — | Illinois |
| 55 | Florence Renfro | 40 | Sister | House Maid | Illinois |
| 56 | Lowell Landers | 30 | Head | House Maid | Illinois |
| 57 | Dorothy M. Landers | 12 | Daughter | — | Kentucky |
| 58 | Ruth Marie Landers | 11 | Daughter | — | Kentucky |
| 59 | Minnie L. Landers | 8 | Daughter | — | Kentucky |
| 60 | Frank Oglesby | 52 | Head | — | Illinois |
| 61 | Daisie Oglesby | 39 | Wife | Nurse | Tennessee |
| 62 | Mary Peoples | 58 | Head | House Maid | Kentucky |
| 63 | Morris Wilson | 14 | Grandson | — | Illinois |
| 64 | Robert Wilson | 13 | Grandson | — | Illinois |
| 65 | Harry A. Williams | 40 | Head | Labor | Tennessee |
| 66 | Albert Hibbs | 23 | Lodger | Porter | Illinois |
| 67 | Mary Louise Hibbs | 20 | Lodger | House Maid | Missouri |
| 68 | James Hal Davis | 43 | Head | Linesman | Illinois |
| 69 | Maud Davis | 40 | Wife | — | Illinois |
| 70 | James W. Davis THIS PERSON | 21 | Son | Salesman | Illinois |
| 71 | William T. Davis | 20 | Son | Salesman | Illinois |
| 72 | Hazel O. Davis | 18 | Daughter | — | Illinois |
| 73 | Charles R. Davis | 16 | Son | — | Illinois |
| 74 | Alice A. Smith | 85 | Head | — | Illinois |
| 75 | Jeanette Gothman | 68 | Maid | — | Illinois |
| 76 | Henry Feymers | 45 | Head | Merchant | Europe |
| 77 | Rebecca Feymers | 41 | Wife | — | Illinois |
| 78 | Florence Greinger | 54 | Head | — | Illinois |
| 79 | Alice Greinger | 36 | Wife | Assistant To County Clerk | Illinois |
| 80 | O. E. Parnlee | 53 | Head | Laborer | Illinois |
Pedigree Summary
James + 3 siblings
Gen 1 · 5 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)