JL
John Linn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this John Linn across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 5-person household.
Age 11
b. ~1929
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Linn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | University City City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | University City City |
| Est. Birth Year | ~1929 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eeneivegeneive Linn | Spouse | — | 36 | ~1904 |
| Frank Linn | Head | — | 40 | ~1900 |
| John Linn | Son | — | 11 | ~1929 |
| Nancy Linn | Daughter | — | 4 | ~1936 |
| Mary Ryan | Other | — | 66 | ~1874 |
Census Appearances
1930
St Louis, …
Son, age 2
St Louis, Missouri · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lena |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Son, age 11
St.-Louis-County, Missouri · implied b. ~1929 — 5 household members
| Surname | Linn |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | University City City |
| 1935 Residence (County) | St. Louis |
| Highest Grade | No 5 |
| 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 Linn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Linn
Son · 1940 · age 11 · b. ~1929 · Missouri
★ You are viewing this record
Sibling
Nancy Linn
Sibling · 1940 · age 4
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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02149-00132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frederick D. Chrenka | 23 | Son | Machinist | Ohio |
| 42 | Rose S. Dietrich | 54 | Head | — | Missouri |
| 43 | Charles J. Dietrich | 34 | Son | Stockman | Missouri |
| 44 | George Aubuchon | 52 | Head | Construction Foreman | Missouri |
| 45 | Clara Aubuchon | 50 | Wife | — | Missouri |
| 46 | Robert Aubuchon | 23 | Son | Reporter | Missouri |
| 48 | James J. Leahy | 46 | Head | Superintendent | Missouri |
| 49 | Lillian Leahy | 38 | Wife | — | Missouri |
| 50 | Phillip Leahy | 5 | Son | — | Missouri |
| 51 | Richard J. Wilkinson | 44 | Head | Auditor | Missouri |
| 52 | Irene Wilkinson | 40 | Wife | — | New York |
| 53 | Richard J. Jr. Wilkinson | 17 | Son | — | Missouri |
| 54 | Isabell J. Wilkinson | 11 | Daughter | — | Missouri |
| 55 | Arthur A. Smith | 35 | Head | Electrician | Missouri |
| 56 | Virginia Smith | 31 | Wife | — | Missouri |
| 57 | Frank L. Linn | 40 | Head | Salesman | Kentucky |
| 58 | Eeneive|Geneive Linn | 36 | Wife | — | Missouri |
| 59 | John Linn THIS PERSON | 11 | Son | — | Missouri |
| 60 | Nancy Linn | 4 | Daughter | — | Missouri |
| 61 | Mary Ryan | 66 | Mother-in-law | — | Missouri |
| 62 | Leo Phalen | 49 | Head | Asst-Chief | Missouri |
| 63 | Catherine Phalen | 50 | Wife | — | Missouri |
| 64 | Floyd Phalen | 25 | Son | Retail Salesman | Missouri |
| 65 | Noel Delporte | 32 | Head | Lawyer | Missouri |
| 66 | Margaret Delporte | 29 | Wife | Teacher | Illinois |
| 67 | Leo Dallmeyer | 48 | Head | Machinist | Missouri |
| 68 | Hilda Dallmeyer | 47 | Wife | — | Missouri |
| 69 | Raymond Dallmeyer | 23 | Son | Chemical Engineer | Missouri |
| 70 | Helen Dallmeyer | 21 | Daughter | Private Secretary | Missouri |
| 71 | Harry Braun | 28 | Head | Wholesale Salesman | Missouri |
| 72 | Georgia Braun | 28 | Wife | Teacher | Missouri |
| 73 | James Perry | 30 | Head | Wholesale Salesman | Missouri |
| 74 | Hildegard Perry | 26 | Wife | — | Missouri |
| 75 | Douglas Perry | 2 | Son | — | Missouri |
| 76 | John R. Werth | 32 | Head | Pilot | Missouri |
| 77 | Elizabeth Werth | 30 | Wife | — | Connecticut |
| 78 | Louis R. Breuer | 38 | Head | Bartender | Missouri |
| 79 | Ruth Breuer | 35 | Wife | — | Missouri |
| 80 | Rolland R. Hall | 21 | Son-in-law | Stock Room Clerk | Missouri |
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)