JF
John Farmer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Farmer across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Farmer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Clerk |
| Industry | Laundry Supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| John Farmer | Son | — | 28 | ~1912 |
| Edward Farmer | Head | — | 62 | ~1878 |
| Bernadette Farmer | Daughter | — | 17 | ~1923 |
| Alice Farmer | Spouse | — | 58 | ~1882 |
| Veronica Farmer | Daughter | — | 20 | ~1920 |
| Teresa Farmer | Daughter | — | 24 | ~1916 |
| Loretta Farmer | Daughter | — | 15 | ~1925 |
| Rita Farmer | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 18
Philadelphia, Pennsylvania · implied b. ~1912 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Farmer |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Assistant |
| Industry | Ice Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 28
Philadelphia-County, Pennsylvania · implied b. ~1912 — 8 household members
| Surname | Farmer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Clerk |
| Industry | Laundry Supply |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 266 |
| Highest Grade | H 2 |
| 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 Farmer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Farmer
Son · 1940 · age 28 · b. ~1912 · Pennsylvania
★ You are viewing this record
Sibling
Veronica Farmer
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Farmer
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Farmer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teresa Farmer
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadette Farmer
Sibling · 1940 · age 17
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03702-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary C. Opdyke | 51 | Wife | — | Pennsylvania |
| 2 | Harry J. Opdyke | 29 | Son | Investigator | Pennsylvania |
| 3 | Daniel J. Opdyke | 25 | Son | Sales | Pennsylvania |
| 4 | Christopher A. Opdyke | 23 | Son | Carpenter | Pennsylvania |
| 5 | Thomas J. Opdyke | 20 | Son | Shipper | Pennsylvania |
| 6 | William H. Opdyke | 11 | Son | — | Pennsylvania |
| 7 | John Hendrie | 32 | Head | Mdse. Clerk | Pennsylvania |
| 8 | Alice Sheffer | 37 | Sister | — | Pennsylvania |
| 9 | Jessie Sheffer | 11 | Niece | — | Pennsylvania |
| 10 | Robert Hendrie | 26 | Brother | Grocery Clerk | Pennsylvania |
| 11 | Helen Hendrie | 35 | Sister | Stenographer | Pennsylvania |
| 12 | Frank Russ | 23 | Nephew | Post Clerk | Pennsylvania |
| 13 | Peter Waller | 72 | Head | Machinist | Pennsylvania |
| 14 | Lydia Waller | 74 | Wife | — | Pennsylvania |
| 15 | John Ganning | 30 | Head | Grocer | Pennsylvania |
| 16 | Elizabeth Ganning | 28 | Wife | — | New York |
| 17 | John, Jr. Ganning | 3 | Son | — | Pennsylvania |
| 18 | Francis Ganning | 1 | Son | — | Pennsylvania |
| 19 | James Mcguire | 29 | Head | Clerk | Pennsylvania |
| 20 | Thelma Mcguire | 28 | Wife | — | Pennsylvania |
| 21 | Ida Mccanley | 66 | Head | — | Pennsylvania |
| 22 | James Mccanley | 44 | Son | Instructor | Pennsylvania |
| 23 | — | None | — | — | — |
| 24 | James Mcauliffe | 48 | Head | Foreman | Pennsylvania |
| 25 | Katherine Mcauliffe | 42 | Wife | — | Pennsylvania |
| 26 | Charles Williams | 52 | Head | Carpenter | Pennsylvania |
| 27 | Maude M. Williams | 44 | Wife | — | Pennsylvania |
| 28 | Albert Williams | 15 | Son | — | Pennsylvania |
| 29 | Robert Williams | 6 | Son | — | Pennsylvania |
| 30 | William H. Huttinger | 62 | Head | Repairman | Pennsylvania |
| 31 | Mary A. Huttinger | 61 | Wife | — | Pennsylvania |
| 32 | Helen L. Huttinger | 23 | Daughter | Secretary | Pennsylvania |
| 33 | Edward Farmer | 62 | Head | — | Pennsylvania |
| 34 | Alice M. Farmer | 58 | Wife | — | England |
| 35 | John Farmer THIS PERSON | 28 | Son | Clerk | Pennsylvania |
| 36 | Teresa Farmer | 24 | Daughter | Topper | Pennsylvania |
| 37 | Rita Farmer | 21 | Daughter | Topper | Pennsylvania |
| 38 | Veronica Farmer | 20 | Daughter | Examiner | Pennsylvania |
| 39 | Bernadette Farmer | 17 | Daughter | Child'S Nurse | Pennsylvania |
| 40 | Loretta Farmer | 15 | 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)