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Janet Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Janet Smith across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 6-person household.
Age 39
b. ~1901
Female
Spouse
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Smith |
| Given Name | Janet |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lansdowne |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 3491 |
| Highest Grade | C 2 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | Upper Darby Twp |
| Est. Birth Year | ~1901 |
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 Janet | Age | Birth yr |
|---|---|---|---|---|
| Janet Smith | Daughter | — | 8 | ~1932 |
| Janet Smith | Spouse | — | 39 | ~1901 |
| Burton Smith | Son | — | 10 | ~1930 |
| Margaret Smith | Daughter | — | 12 | ~1928 |
| Vaughn Smith | Head | — | 42 | ~1898 |
| James Smith | Son | — | 15 | ~1925 |
Census Appearances
1930
Delaware, Pennsylvania
Spouse, age 29
Delaware, Pennsylvania · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Janet |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teacher |
| Industry | Public school |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Spouse, age 39
Delaware-County, Pennsylvania · implied b. ~1901 — 6 household members
| Surname | Smith |
| Given Name | Janet |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lansdowne |
| 1935 Residence (County) | Delaware |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 25 |
| Income (1939) | 3491 |
| Highest Grade | C 2 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Janet Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Janet Smith
Spouse · 1940 · age 39 · b. ~1901 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03497-00755)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Percy A. Coppock | 45 | Head | Clerk | Pennsylvania |
| 2 | Elsie D. Coppock | 35 | Wife | — | Pennsylvania |
| 3 | Eleanor Coppock | 4 | daughter | — | Pennsylvania |
| 4 | Joseph M. Brinton | 60 | father-in-law | Roofer | Pennsylvania |
| 5 | Rudolph Lingo | 38 | Head | Truck Driver | Pennsylvania |
| 6 | Elizabeth Lingo | 34 | Wife | — | Pennsylvania |
| 7 | Dolores Lingo | 13 | daughter | — | Pennsylvania |
| 8 | Kenneth Lingo | 12 | son | — | Pennsylvania |
| 9 | Elizabeth Lingo | 10 | daughter | — | Pennsylvania |
| 10 | Thomas De Luca | 43 | Head | Bar Tender | Italy |
| 11 | Mary De Luca | 44 | wife | — | Pennsylvania |
| 12 | Esther Mccoy | 19 | niece | Laundress | Pennsylvania |
| 13 | James A. Brabson | 36 | Head | Nurse | Alabama |
| 14 | Lucy M. Brabson | 30 | Wife | — | Wales |
| 15 | James A. Jr. Brabson | 2 | son | — | Pennsylvania |
| 16 | James A. Jr. Brabson | 0 | son | — | Pennsylvania |
| 17 | Paul Allen | 27 | Head | Sales | Pennsylvania |
| 18 | Phyllis Allen | 29 | Wife | — | Pennsylvania |
| 19 | Paul Jr. Allen | 5 | son | — | Pennsylvania |
| 20 | Ronald Allen | 3 | son | — | Pennsylvania |
| 21 | J. P. Jr. Jones | 60 | Head | Sales | New York |
| 22 | Jane L. Jones | 60 | Wife | — | New York |
| 23 | R. Waldo Waldis | 38 | Head | Auto Mechanic | Pennsylvania |
| 24 | Alma Waldis | 36 | Wife | — | Pennsylvania |
| 25 | Richard O. Waldis | 12 | son | — | Pennsylvania |
| 26 | Donald Waldis | 3 | son | — | Pennsylvania |
| 27 | Gilbert Jr. Short | 40 | Head | Agent | Pennsylvania |
| 28 | Audrey Short | 37 | Wife | — | Pennsylvania |
| 29 | Gilbert 3Rd Short | 14 | son | — | Pennsylvania |
| 30 | Shirley Ann Short | 8 | daughter | — | Pennsylvania |
| 31 | Edward Kifferly | 52 | Head | Merchandise Manager | Pennsylvania |
| 32 | Priscilla Kifferly | 57 | wife | — | Pennsylvania |
| 33 | Virginia Kifferly | 22 | daughter | Typist | Pennsylvania |
| 34 | Katherine Gibbons | 58 | sister-in-law | Milliner | Pennsylvania |
| 35 | Vaughn Smith | 42 | Head | Teacher | Pennsylvania |
| 36 | Janet Smith THIS PERSON | 39 | wife | Teacher | Pennsylvania |
| 37 | James Smith | 15 | son | — | Pennsylvania |
| 38 | Margaret Smith | 12 | daughter | — | Pennsylvania |
| 39 | Burton Smith | 10 | son | — | Pennsylvania |
| 40 | Janet Smith | 8 | daughter | — | Pennsylvania |
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)