JF
John Frey — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this John Frey across the 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 8-person household.
Age 62
b. ~1878
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Frey |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | salesman |
| Industry | Filling Station |
| Class of Worker | OA |
| Income (1939) | 560 |
| Highest Grade | No-7 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Birmingham |
| Est. Birth Year | ~1878 |
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 |
|---|---|---|---|---|
| Elizabeth Frey | Daughter | — | 30 | ~1910 |
| George Frey | Son | — | 25 | ~1915 |
| Annie Frey | Daughter | — | 16 | ~1924 |
| James Frey | Son | — | 23 | ~1917 |
| John Frey | Head | — | 62 | ~1878 |
| Raymond Frey | Son | — | 19 | ~1921 |
| Emily Frey | Spouse | — | 55 | ~1885 |
| Sarah Frey | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Jefferson, Alabama
Head, age 52
Jefferson, Alabama · implied b. ~1878 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frey |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Blacksmith |
| Industry | Railway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Jefferson-County, Alabama
Head, age 62
Jefferson-County, Alabama · implied b. ~1878 — 8 household members
| Surname | Frey |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | salesman |
| Industry | Filling Station |
| Class of Worker | OA |
| Income (1939) | 560 |
| Highest Grade | No-7 |
| 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 Frey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Frey
Head · 1940 · age 62 · b. ~1878 · Alabama
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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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00098-00971)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carroll Jane | 5 | daughter | — | Alabama |
| 2 | Arthur S. Willis | 42 | Head | Steel Worker | Alabama |
| 3 | Gertrude Willis | 35 | Wife | — | Alabama |
| 4 | Arthur S. Willis | 12 | son | — | Alabama |
| 5 | Norma Jean Willis | 7 | daughter | — | Alabama |
| 6 | Brodie D. Rowe | 31 | Head | Driver | Alabama |
| 7 | Kathleen Rowe | 30 | Wife | — | Alabama |
| 8 | Edwin Rowe | 11 | son | — | Alabama |
| 9 | John H. Frey | 36 | Head | Machinist | Alabama |
| 10 | Thelma P. Frey | 29 | Wife | — | Alabama |
| 11 | Martha Mcneal | 61 | Mother-in-law | — | Tennessee |
| 12 | George Shipley | 57 | Uncle | — | Tennessee |
| 13 | Claude J. Wilson | 42 | Head | Electrician | Alabama |
| 14 | Jessie D. Wilson | 41 | Wife | — | Alabama |
| 15 | D. C. Wilson | 20 | son | — | Alabama |
| 16 | John P. Frey THIS PERSON | 62 | Head | Salesman | Pennsylvania |
| 17 | Emily Frey | 55 | Wife | Blacksmith | Alabama |
| 18 | Elizabeth Frey | 30 | daughter | — | Alabama |
| 19 | George P. Frey | 25 | son | Apprentice Machinist | Alabama |
| 20 | James Edward Frey | 23 | son | Machinist | Alabama |
| 21 | Raymond J. Frey | 19 | son | Railway Clerk | Alabama |
| 22 | Annie Ruth Frey | 16 | daughter | — | Alabama |
| 23 | Sarah Louise Frey | 14 | daughter | — | Alabama |
| 24 | Rose C. Riley | 74 | Head | — | Maryland |
| 25 | Alta Riley | 53 | daughter | — | Alabama |
| 26 | Gordon C. Riley | 22 | grandson | Radiator Boy | Maryland |
| 27 | Rosa Ellen Riley | 19 | granddaughter | — | Maryland |
| 28 | Robert L. Riley | 23 | grandson | Hosing Jersey | Maryland |
| 29 | Sophia Mae Riley | 21 | granddaughter-in-law | — | Alabama |
| 30 | Charles S. Williams | 26 | Head | Run Saw | Alabama |
| 31 | Willie Williams | 22 | Wife | — | Alabama |
| 32 | James C. Williams | 5 | son | — | Alabama |
| 33 | Edward D. Williams | 3 | son | — | Alabama |
| 34 | Dyer J. Williams | 63 | Head | — | Alabama |
| 35 | Collie Williams | 48 | Wife | — | Alabama |
| 36 | Bernarr Williams | 25 | son | Run Saw | Alabama |
| 37 | Winston Williams | 18 | son | Tailman At Saw | Alabama |
| 38 | James Williams | 14 | son | — | Alabama |
| 39 | Gene Williams | 11 | son | — | Alabama |
| 40 | Billy Ray Williams | 9 | son | — | Alabama |
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)