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John Small — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this John Small across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: PENNSYLVANIA
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | SMALL |
| Given Name | JOHN |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | Darby Borough |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Darby Borough |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| Francis Small | Son | — | 14 | ~1926 |
| Agnes Small | Daughter | — | 11 | ~1929 |
| Agnes Small | Spouse | — | 37 | ~1903 |
| Theresa Small | Daughter | — | 12 | ~1928 |
| Maureen Small | Daughter | — | 18 | ~1922 |
| Joseph Small | Son | — | 10 | ~1930 |
| Henry Small | Head | — | 37 | ~1903 |
| John Small | Son | — | 15 | ~1925 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 6
Delaware, Pennsylvania · implied b. ~1924 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Small |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 15
Delaware-County, Pennsylvania · implied b. ~1925 — 8 household members
| Surname | SMALL |
| Given Name | JOHN |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | PENNSYLVANIA |
| 1935 Residence (City) | Darby Borough |
| 1935 Residence (County) | Delaware |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| 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 John Small across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Small
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
Agnes Small
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Small
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Small
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Small
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maureen Small
Sibling · 1940 · age 18
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 — 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-t0627-03490-00824)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Stamm | 36 | HEAD | Machinist | PENNSYLVANIA |
| 2 | Florence Stamm | 29 | WIFE | — | PENNSYLVANIA |
| 3 | William Stamm | 4 | SON | — | PENNSYLVANIA |
| 4 | Helen Stamm | 2 | DAUGHTER | — | PENNSYLVANIA |
| 5 | Anna Ceglarski | 18 | SISTER-IN-LAW | Wrapper | PENNSYLVANIA |
| 6 | Bernard Lesher | 36 | HEAD | Truck Driver | PENNSYLVANIA |
| 7 | Eleanor Lesher | 35 | WIFE | Envelope Maker | PENNSYLVANIA |
| 8 | Mary J. Lesher | 12 | DAUGHTER | — | PENNSYLVANIA |
| 9 | Frederick Lesher | 7 | SON | — | PENNSYLVANIA |
| 10 | Mary Lesher | 53 | MOTHER | — | PENNSYLVANIA |
| 11 | Oren Lutz | 62 | HEAD | Machinist | PENNSYLVANIA |
| 12 | Mary Lutz | 63 | WIFE | — | PENNSYLVANIA |
| 13 | Mary Lutz | 32 | DAUGHTER | — | PENNSYLVANIA |
| 14 | Grace Lutz | 30 | DAUGHTER | Typist | PENNSYLVANIA |
| 15 | Casimir Lutz | 27 | SON | Truck Driver | PENNSYLVANIA |
| 16 | Ann Lutz | 22 | DAUGHTER-IN-LAW | Mailing Clerk | PENNSYLVANIA |
| 17 | Henry Small | 37 | HEAD | Baker'S Helper | NORTHERN IRELAND |
| 18 | Agnes Small | 37 | WIFE | — | NORTHERN IRELAND |
| 19 | Maureen Small | 18 | DAUGHTER | — | PENNSYLVANIA |
| 20 | John Small THIS PERSON | 15 | SON | — | PENNSYLVANIA |
| 21 | Francis Small | 14 | SON | — | PENNSYLVANIA |
| 22 | Theresa Small | 12 | DAUGHTER | — | PENNSYLVANIA |
| 23 | Agnes Small | 11 | DAUGHTER | — | NEW JERSEY |
| 24 | Joseph Small | 10 | SON | — | PENNSYLVANIA |
| 25 | Francis Reed | 33 | HEAD | Foundry Worker | PENNSYLVANIA |
| 26 | Edna Reed | 35 | WIFE | — | PENNSYLVANIA |
| 27 | Florence Mudd | 54 | HEAD | Janitress | PENNSYLVANIA |
| 28 | Helen Mudd | 31 | DAUGHTER | Operator | MARYLAND |
| 29 | Walter Mudd | 17 | SON | — | PENNSYLVANIA |
| 30 | Andrew Galloway | 33 | HEAD | Truck Driver | PENNSYLVANIA |
| 31 | Dorothy Galloway | 30 | WIFE | — | PENNSYLVANIA |
| 32 | Richard Galloway | 6 | SON | — | PENNSYLVANIA |
| 33 | Harold Goldberg | 28 | HEAD | Tractor Operator | PENNSYLVANIA |
| 34 | Laura Goldberg | 28 | WIFE | — | PENNSYLVANIA |
| 35 | Helen Copple | 23 | LODGER | Candy Packer | PENNSYLVANIA |
| 36 | Oliver Davis | 53 | HEAD | Truck Driver | PENNSYLVANIA |
| 37 | Hannah Davis | 45 | WIFE | — | PENNSYLVANIA |
| 38 | Elizabeth Davis | 11 | DAUGHTER | — | PENNSYLVANIA |
| 39 | Elizabeth Wagner | 67 | MOTHER-IN-LAW | — | PENNSYLVANIA |
| 40 | Helen Cloud | 45 | HEAD | — | 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)