JS
John Sears — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this John Sears across the 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 6-person household.
Age 19
b. ~1921
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Sears |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Webster G. |
| 1935 Residence (County) | St Louis |
| Additional Details | |
| Highest Grade | G 8 |
| 1935 Residence | Missouri |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Shrewsbury City |
| Est. Birth Year | ~1921 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Robert Sears | Son | — | 12 | ~1928 |
| James Sears | Son | — | 17 | ~1923 |
| Chas Sears | Head | — | 44 | ~1896 |
| Thomas Sears | Son | — | 15 | ~1925 |
| Vivian Sears | Spouse | — | 39 | ~1901 |
| John Sears | Son | — | 19 | ~1921 |
Census Appearances
1930
St Louis, …
Son, age 9
St Louis, Missouri · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sears |
| Given Name | John Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Louis-County, Missouri
Son, age 19
St.-Louis-County, Missouri · implied b. ~1921 — 6 household members
| Surname | Sears |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Webster G. |
| 1935 Residence (County) | St Louis |
| Highest Grade | G 8 |
| 1935 Residence | Missouri |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Sears across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Sears
Son · 1940 · age 19 · b. ~1921 · Missouri
★ You are viewing this record
Sibling
Robert Sears
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sears
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Sears
Sibling · 1940 · age 15
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
40 people indexed on this census page (nara:1940:m-t0627-02151-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Kleinscmidt | 1 | Son | — | Missouri |
| 42 | Herbert Kleinschmidt | 44 | Head | Draughtsman | Missouri |
| 43 | Helen Kleinschmidt | 36 | Wife | Continuator | Missouri |
| 44 | Peggy Kleinschmidt | 12 | Daughter | — | Missouri |
| 45 | Betty Kleinschmidt | 10 | Daughter | — | Missouri |
| 46 | Alma Kleinschmidt | 72 | Mother | — | Missouri |
| 47 | Minette Sufeldt | 50 | Head | Seamstress | Illinois |
| 48 | Clifford Sufeldt | 20 | Son | Messenger Boy | Missouri |
| 49 | Vernon Sufeldt | 18 | Son | — | Missouri |
| 50 | Arline Sufeldt | 18 | Daughter | Marker | Missouri |
| 51 | Robert Sufeldt | 14 | Son | — | Missouri |
| 52 | Kenneth Sufeldt | 12 | Son | — | Missouri |
| 53 | Robert Kennedy | 33 | Head | Bookkeeper Clerk | Illinois |
| 54 | Dorothy R. Kennedy | 30 | Wife | — | Illinois |
| 55 | Joseph Busalaki | 49 | Head | Filling Station Owner | Missouri |
| 56 | Grace Busalaki | 29 | Wife | — | Missouri |
| 57 | Paul Koebel | 67 | Head | — | Missouri |
| 58 | Regina H. Koebel | 57 | Wife | — | Missouri |
| 59 | Harvey W. Koebel | 26 | Son | Elevator Operator | Missouri |
| 60 | Daniel Koebel | 23 | Son | Salesman | Missouri |
| 61 | Paul Wiggins | 30 | Head | Office Clerk | Missouri |
| 62 | Fern H. Wiggins | 29 | Wife | — | Missouri |
| 63 | Clinton D. Laventure | 40 | Head | Salesman | Missouri |
| 64 | Alma Laventure | 34 | Wife | — | Oklahoma |
| 65 | Lowell Joseph Laventure | 14 | Son | — | Missouri |
| 66 | Mary Ann Laventure | 11 | Daughter | — | Missouri |
| 67 | Michael A. Laventure | 8 | Son | — | Missouri |
| 68 | Andre C. Laventure | 7 | Son | — | Missouri |
| 69 | Theodore Laventure | 5 | Son | — | Missouri |
| 70 | William F. Laventure | 2 | Son | — | Missouri |
| 71 | Irwin D. Goodwin | 38 | Head | Proprietor | Missouri |
| 72 | Mary Goodwin | 32 | Wife | Saleswoman | Missouri |
| 73 | Neal Byron Goodwin | 2 | Son | — | Missouri |
| 74 | Lula Hightower | 23 | Maid | Servant | Ohio |
| 75 | Chas. H. Sears | 44 | Head | Filling Station Operator | Massachusetts |
| 76 | Vivian F. Sears | 39 | Wife | — | Michigan |
| 77 | John H. Sears THIS PERSON | 19 | Son | — | Michigan |
| 78 | James D. Sears | 17 | Son | — | Kentucky |
| 79 | Thomas N. Sears | 15 | Son | — | Ohio |
| 80 | Robert L. Sears | 12 | Son | — | 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)