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John Snyder — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this John Snyder across the 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 4-person household.
Age 58
b. ~1882
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Snyder |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | San Diego |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Occupation | Salesman |
| Industry | Wholesale Tobacco |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 278 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Salesman |
| Township / Ward | San Diego |
| Est. Birth Year | ~1882 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Snyder | Head | — | 58 | ~1882 |
| Margaret Drachsel | Other | — | 25 | ~1915 |
| John Snyder | Son | — | 22 | ~1918 |
| Mary Snyder | Spouse | — | 59 | ~1881 |
Census Appearances
1920
San Diego, …
Head, age 39
San Diego, California · implied b. ~1881 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Occupation | Salesman |
| Industry | Cigar Company |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
San Diego, …
Head, age 48
San Diego, California · implied b. ~1882 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 27 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | Salesman |
| Industry | Dairy Supplies |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
San-Diego-County, California
Head, age 58
San-Diego-County, California · implied b. ~1882 — 4 household members
| Surname | Snyder |
| Given Name | John B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | San Diego |
| 1935 Residence (County) | San Diego |
| Occupation | Salesman |
| Industry | Wholesale Tobacco |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 278 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Snyder across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Snyder
Head · 1940 · age 58 · b. ~1882 · California
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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 — San-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00447-00188)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Melanie Romero | 72 | Head | — | Mexico |
| 2 | Octavio Romero | 36 | Son | — | Mexico |
| 3 | Melanie Romero | 32 | Daughter | — | Mexico |
| 4 | Thomas E. Mackenzie | 69 | Head | Clerk | Scotland |
| 5 | Louise Mackenzie | 67 | Wife | Plumber | Illinois |
| 6 | Frank E. Worster | 29 | Head | Mechanic | Ohio |
| 7 | Clara D. Worster | 21 | Wife | — | Connecticut |
| 8 | John Kierstead | 40 | Head | Operator | Maine |
| 9 | Mary Kierstead | 37 | Wife | Helper | Nebraska |
| 10 | Herman E. Glade | 66 | Head | — | Germany |
| 11 | Agnes B. Glade | 68 | Wife | — | Scotland |
| 12 | Roy E. Cameron | 46 | Head | Teacher | Missouri |
| 13 | Ruth S. Cameron | 46 | Wife | — | Nebraska |
| 14 | Crissie C. Barnes | 39 | Lodger | Saleswoman | Nebraska |
| 15 | Karl Hammond | 22 | Lodger | Salesman | Arizona |
| 16 | Franklin Hitchcock | 18 | Lodger | Sheet Metal Worker | Massachusetts |
| 17 | Robert Gordon | 39 | Lodger | Gardener | Washington |
| 18 | Hera | None | — | — | — |
| 19 | Walter C. Ladd | 65 | Head | — | Indiana |
| 20 | Daisy A. Ladd | 62 | Wife | — | Indiana |
| 21 | Zora A. Salmons | 40 | Niece | Hydrotherapist | Indiana |
| 22 | Claudia Salmons | 19 | Niece | — | Indiana |
| 23 | Mary A. Molley | 74 | Head | — | Illinois |
| 24 | Mary Gabriels | 65 | Head | — | Michigan |
| 25 | Katherine Brien | 81 | Head | — | Wisconsin |
| 26 | Florence Raffetto | 49 | Head | — | California |
| 27 | Doris Mae Raffetto | 22 | Daughter | Typist | California |
| 28 | Ella A. Postman | 54 | Head | Housekeeper | Colorado |
| 29 | Laura Meeker | 33 | Daughter | Secretary | Colorado |
| 30 | Stuart | 52 | Son-in-law | Salesman | California |
| 31 | William H. Thompson | 71 | Head | — | Scotland |
| 32 | Margaret J. Thompson | 24 | Wife | — | Ireland (Eire) |
| 33 | Grace M. Grant | 31 | Daughter | Typist | Ireland (Eire) |
| 34 | Donald Grant | 26 | Son-in-law | Photographer | California |
| 35 | Jack Magee | 22 | Nephew | Bookkeeper | California |
| 36 | Joel Coath | 20 | Grandson | Riveter | Ireland (Eire) |
| 37 | John B. Snyder THIS PERSON | 58 | Head | Salesman | Missouri |
| 38 | Mary E. Snyder | 59 | Wife | — | California |
| 39 | John E. Snyder | 22 | Son | — | California |
| 40 | Margaret Drachsel | 25 | Lodger | Teacher | Colorado |
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)