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James Day — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mecklenburg-County, Virginia
Our Model Tree links this James Day across the 1930 and 1940 US Censuses in Mecklenburg-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mecklenburg-County, Virginia |
| Surname | Day |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Boydton |
| 1935 Residence (County) | Mecklenburg |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 2 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Farm Laborer |
| Township / Ward | Boydton |
| Est. Birth Year | ~1923 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ruth Day | Daughter | — | 21 | ~1919 |
| Bernice Day | Daughter | — | 2 | ~1938 |
| Marjorie Day | Daughter | — | 7 | ~1933 |
| Alma Day | Daughter | — | 15 | ~1925 |
| Mary Day | Daughter | — | 12 | ~1928 |
| Dick Day | Head | — | 66 | ~1874 |
| John Day | Son | — | 4 | ~1936 |
| Joe Day | Son | — | 11 | ~1929 |
| James Day | Son | — | 17 | ~1923 |
| Edna Day | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Mecklenburg, Virginia
Son, age 7
Mecklenburg, Virginia · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | James E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Mecklenburg-County, Virginia
Son, age 17
Mecklenburg-County, Virginia · implied b. ~1923 — 10 household members
| Surname | Day |
| Given Name | James J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Boydton |
| 1935 Residence (County) | Mecklenburg |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | 2 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Day across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Day
Son · 1940 · age 17 · b. ~1923 · Virginia
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Sibling
Alma Day
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Day
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Day
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Day
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Day
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Day
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Day
Sibling · 1940 · age 2
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 — Mecklenburg-County, Virginia
Open full size
1940 US Federal Census — Mecklenburg-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04276-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James B. Jones | 9 | Son | — | Virginia |
| 42 | Alice L. Jones | 8 | Daughter | — | Virginia |
| 43 | Dallas D. Dodson | 22 | Head | Farmer | Virginia |
| 44 | Thomas J. Hendrick | 27 | Head | Farmer | Virginia |
| 45 | Mary E. Hendrick | 26 | Wife | Housewife | Virginia |
| 46 | William D. Allen | 36 | Head | Farmer | Virginia |
| 47 | Nannie B. Allen | 55 | Wife | Housewife | Virginia |
| 48 | William B. Allen | 16 | Son | Farm Laborer | Virginia |
| 49 | Minnie L. Allen | 15 | Daughter | — | Virginia |
| 50 | Lillie R. Allen | 13 | Daughter | — | Virginia |
| 51 | Earl G. Allen | 10 | Son | — | Virginia |
| 52 | Dorothy A. Allen | 2 | Daughter | — | Virginia |
| 53 | Dick D. Day | 66 | Head | Farmer | N. Carolina |
| 54 | Edna Day | 39 | Wife | Housewife | N. Carolina |
| 55 | Ruth Day | 21 | Daughter | Housewife | Virginia |
| 56 | James J. Day THIS PERSON | 17 | Son | Farm Laborer | Virginia |
| 57 | Alma Day | 15 | Daughter | Housewife | Virginia |
| 58 | Mary L. Day | 12 | Daughter | — | Virginia |
| 59 | Joe O. Day | 11 | Son | — | Virginia |
| 60 | Marjorie Day | 7 | Daughter | — | Virginia |
| 61 | John Day | 4 | Son | — | Virginia |
| 62 | Bernice Day | 2 | Daughter | — | Virginia |
| 63 | Graham A. Smith | 31 | Head | Farmer | Virginia |
| 64 | Virginia O. Smith | 26 | Wife | Housewife | Virginia |
| 65 | Millard S. Smith | 9 | Son | — | Virginia |
| 66 | Alice J. Smith | 6 | Daughter | — | Virginia |
| 67 | S. Lonnie Hayes | 49 | Head | Farm Laborer | Virginia |
| 68 | Mamie B. Hayes | 51 | Wife | Housewife | Virginia |
| 69 | John H. Fuller | 14 | Lodger | — | Virginia |
| 70 | R. S. Jeffress | 67 | Head | Farmer | Virginia |
| 71 | Bessie D. Jeffress | 64 | Wife | Housewife | Virginia |
| 72 | David J. Orr | 60 | Lodger | Farmer | Scotland |
| 73 | Edith M. Burton | 49 | Head | Housewife | Virginia |
| 74 | Linwood S. Burton | 23 | Son | Salesman | Virginia |
| 75 | Herman G. Burton | 19 | Son | Farm Laborer | Virginia |
| 76 | Frank S. Moss | 50 | Head | Farmer | Virginia |
| 77 | Eliza Moss | 57 | Aunt | Housewife | Virginia |
| 78 | Richard Cliborne | 38 | Head | Farmer | Virginia |
| 79 | Minnie M. Cliborne | 38 | Wife | Housewife | Virginia |
| 80 | Lena M. Cliborne | 16 | Daughter | — | Virginia |
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)