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John Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sussex-County, Delaware
Our Model Tree links this John Smith across the 1920, 1930 and 1940 US Censuses in Sussex-County, Delaware (XGBoost, ~Confirmed), with identified parents James & George — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Delaware
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sussex-County, Delaware |
| Surname | Smith |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | 10th Rep. Dist. |
| 1935 Residence (County) | Sussex |
| Additional Details | |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 12 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
| Occupation | Laborer |
| Township / Ward | 10Th Rep Dist |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Smith | Head | — | 27 | ~1913 |
| Joseph Smith | Son | — | ~1940 | |
| James Smith | Son | — | 1 | ~1939 |
| Doris Smith | Spouse | — | 23 | ~1917 |
Census Appearances
1920
Sussex, Delaware
Son, age 7
Sussex, Delaware · implied b. ~1913 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1930
Sussex, Delaware
Son, age 17
Sussex, Delaware · implied b. ~1913 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Delaware |
| Father's Birthplace | Delaware |
| Mother's Birthplace | Delaware |
| Occupation | Laborer |
| Industry | Road Gang |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
1940
Sussex-County, Delaware
Head, age 27
Sussex-County, Delaware · implied b. ~1913 — 4 household members
| Surname | Smith |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Delaware |
| 1935 Residence (City) | 10th Rep. Dist. |
| 1935 Residence (County) | Sussex |
| Occupation | laborer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 12 |
| 1935 Residence | Same place |
| Birth State | Delaware |
| Birth Country | United States |
| Birthplace (normalized) | delaware |
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 John Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Smith (~0.92 confidence) and father George Smith (~0.92 confidence) and mother Lela Smith (~0.92 confidence) and mother Louisa Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Smith
b. ~1890
Source father
● Household
· direct · ~0.92
Father
George Smith
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Lela Smith
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Louisa Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Smith
Head · 1940 · age 27 · b. ~1913 · Delaware
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Sussex-County, Delaware
Open full size
1940 US Federal Census — Sussex-County, Delaware
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00548-00640)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fredrick Millman | 19 | Son | Laborer | Delaware |
| 2 | Sara Millman | 18 | daughter | — | Delaware |
| 3 | Jessie Millman | 16 | son | — | Delaware |
| 4 | James Millman | 14 | son | — | Delaware |
| 5 | Henry Millman | 12 | son | — | Delaware |
| 6 | Everette Millman | 8 | son | — | Delaware |
| 7 | Robert Millman | 6 | son | — | Delaware |
| 8 | Otto Dickerson | 42 | Head | Laborer | Delaware |
| 9 | Richard Millman | 27 | Head | Laborer | Delaware |
| 10 | Grace Millman | 23 | wife | — | Delaware |
| 11 | Bessie Millman | 3 | daughter | — | Delaware |
| 12 | Richard Millman | 1 | son | — | Delaware |
| 13 | Phyllis Millman | 0 | daughter | — | Delaware |
| 14 | John W. Smith THIS PERSON | 27 | Head | Laborer | Delaware |
| 15 | Doris Smith | 23 | wife | — | Delaware |
| 16 | James Smith | 1 | son | — | Delaware |
| 17 | Joseph Smith | 0 | son | — | Delaware |
| 18 | Howard West | 23 | Head | Laborer | Delaware |
| 19 | Vineyard West | 28 | wife | — | Delaware |
| 20 | Granbury Billingham | 57 | Head | Laborer | Delaware |
| 21 | Sadie Billingham | 56 | wife | — | Delaware |
| 22 | David Billingham | 24 | son | Laborer | Delaware |
| 23 | Marie Billingham | 21 | daughter-in-law | — | Delaware |
| 24 | Norma M. Billingham | 5 | daughter | — | Delaware |
| 25 | John Robinson | 23 | hired help | Laborer | Mississippi |
| 26 | Homer Banning | 38 | Head | Piece Work | Delaware |
| 27 | Zelda A. Banning | 34 | wife | — | Delaware |
| 28 | Frances A. Banning | 12 | daughter | — | Delaware |
| 29 | Elizabeth J. Banning | 10 | daughter | — | Delaware |
| 30 | Janice D. Banning | 7 | daughter | — | Delaware |
| 31 | Noah Piper | 76 | Head | Laborer | Delaware |
| 32 | Martha Piper | 60 | wife | — | Delaware |
| 33 | Albert Piper | 36 | son | Laborer | Delaware |
| 34 | Herman Piper | 30 | son | Laborer | Delaware |
| 35 | Oscar Piper | 28 | son | Laborer | Delaware |
| 36 | Alice Piper | 27 | daughter | — | Delaware |
| 37 | Ernest Harmon | 0 | grandson | Laborer | Delaware |
| 38 | Rena Harmon | 21 | granddaughter | — | Delaware |
| 39 | Arthur Piper | 35 | Head | Laborer | Delaware |
| 40 | Rosie Piper | 31 | wife | — | Delaware |
Related Census Records
Pedigree Summary
John
Gen 1 · 4 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)