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John Mcfadden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chester-County, Pennsylvania
Our Model Tree links this John Mcfadden across the 1930 and 1940 US Censuses in Chester-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 7-person household.
Age 15
b. ~1925
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chester-County, Pennsylvania |
| Surname | McFadden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | E. Nottingham Twp. |
| 1935 Residence (County) | Chester |
| Additional Details | |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | E Nottingham Twp |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mcfadden | Son | — | 15 | ~1925 |
| Mary Mcfadden | Daughter | — | 6 | ~1934 |
| Robert Mcfadden | Son | — | 18 | ~1922 |
| Catharine Mcfadden | Spouse | — | 37 | ~1903 |
| Donald Mcfadden | Son | — | 17 | ~1923 |
| Caleb Mcfadden | Son | — | 3 | ~1937 |
| Caleb Mcfadden | Head | — | 37 | ~1903 |
Census Appearances
1930
Montgomery, Pennsylvania
Son, age 5
Montgomery, Pennsylvania · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McFadden |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 5 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Chester-County, Pennsylvania
Son, age 15
Chester-County, Pennsylvania · implied b. ~1925 — 7 household members
| Surname | McFadden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | E. Nottingham Twp. |
| 1935 Residence (County) | Chester |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 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 Mcfadden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Mcfadden
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
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Sibling
Robert Mcfadden
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mcfadden
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mcfadden
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caleb Mcfadden
Sibling · 1940 · age 3
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 — Chester-County, Pennsylvania
Open full size
1940 US Federal Census — Chester-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03464-00937)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ethel Supplee | 33 | Wife | — | Pennsylvania |
| 2 | Jack Supplee | 9 | Son | — | Pennsylvania |
| 3 | Allen Supplee | 5 | Son | — | Pennsylvania |
| 4 | Joyce Supplee | 0 | Daughter | — | Pennsylvania |
| 5 | E. Stanley Webster | 54 | Head | Dealer | Pennsylvania |
| 6 | Rebecca Webster | 54 | Wife | — | Pennsylvania |
| 7 | Wilmer Webster | 20 | Son | — | Pennsylvania |
| 8 | Ann Webster | 13 | Daughter | — | Pennsylvania |
| 9 | Harry Callahan | 41 | Head | Dealer | Pennsylvania |
| 10 | Margaret Callahan | 39 | Wife | — | Pennsylvania |
| 11 | Stanley Bidwell | 26 | Head | Mechanic | Pennsylvania |
| 12 | Leah Bidwell | 21 | Wife | — | Virginia |
| 13 | Millard Bidwell | 5 | Son | — | Pennsylvania |
| 14 | Lewis G. Martindale | 72 | Head | Cabinet Maker | Maryland |
| 15 | Anna M. Martindale | 54 | Wife | — | Pennsylvania |
| 16 | Victor Fields | 33 | Head | Produce Manager | Pennsylvania |
| 17 | Myrtle Fields | 30 | Wife | — | Pennsylvania |
| 18 | Thomas Fields | 11 | Son | — | Pennsylvania |
| 19 | William Fields | 7 | Son | — | Pennsylvania |
| 20 | Vivian Fields | 1 | Daughter | — | Pennsylvania |
| 21 | Walter Grimaldi | 42 | Head | Mail Carrier | Pennsylvania |
| 22 | Kathleen Grimaldi | 37 | Wife | — | New Jersey |
| 23 | Thomas Grimaldi | 11 | Son | — | Pennsylvania |
| 24 | Martha Grimaldi | 8 | Daughter | — | Pennsylvania |
| 25 | Clara V. Halson | 62 | Head | Proprietor | Pennsylvania |
| 26 | Laura G. Sunderlin | 61 | Head | — | Pennsylvania |
| 27 | Gerley Rilla Sunderlin | 30 | Daughter | — | Pennsylvania |
| 28 | Caleb X. Mcfadden | 37 | Head | Assembler | Pennsylvania |
| 29 | Catharine Mcfadden | 37 | Wife | — | Pennsylvania |
| 30 | Robert Mcfadden | 18 | Son | — | Pennsylvania |
| 31 | Donald Mcfadden | 17 | Son | — | Pennsylvania |
| 32 | John Mcfadden THIS PERSON | 15 | Son | — | Pennsylvania |
| 33 | Mary Ann Mcfadden | 6 | Daughter | — | Pennsylvania |
| 34 | Caleb Jr. Mcfadden | 3 | Son | — | Pennsylvania |
| 35 | Howard Weaver | 74 | Head | — | Pennsylvania |
| 36 | Donald Blackburn | 40 | Head | Operator | N. Carolina |
| 37 | Ruby Blackburn | 34 | Wife | — | N. Carolina |
| 38 | Ralph Blackburn | 13 | Son | — | N. Carolina |
| 39 | William Blackburn | 10 | Son | — | Pennsylvania |
| 40 | Rena Phillips | 59 | Mother-in-law | — | N. Carolina |
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)