JM
Jack Moore — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Jack Moore across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Moore |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1923 |
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 Jack | Age | Birth yr |
|---|---|---|---|---|
| Marion Moore | Son | — | 15 | ~1925 |
| Leo Moore | Head | — | 43 | ~1897 |
| Leroy Moore | Son | — | 19 | ~1921 |
| Anna Moore | Spouse | — | 34 | ~1906 |
| Thomas Moore | Son | — | 6 | ~1934 |
| Jack Moore | Son | — | 17 | ~1923 |
Census Appearances
1930
St Louis, …
Son, age 7
St Louis, Missouri · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moore |
| Given Name | Jack |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Son, age 17
St.-Louis-City-County, Missouri · implied b. ~1923 — 6 household members
| Surname | Moore |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis |
| 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 Jack Moore across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Moore
Son · 1940 · age 17 · b. ~1923 · Missouri
★ You are viewing this record
Sibling
Thomas Moore
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Moore
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Moore
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-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02193-00414)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Pratt | 38 | Head | Laborer | Missouri |
| 2 | Leo Moore | 43 | Head | Mechanic | Missouri |
| 3 | Anna Moore | 34 | Wife | — | Missouri |
| 4 | Leroy Moore | 19 | Son | Stamper | Missouri |
| 5 | Jack Moore THIS PERSON | 17 | Son | — | Missouri |
| 6 | Marion Moore | 15 | Son | — | Missouri |
| 7 | Thomas Moore | 6 | Son | — | Missouri |
| 8 | Edward F. Miller | 32 | Head | Coal Passer | Illinois |
| 9 | Alice Miller | 32 | Wife | — | Missouri |
| 10 | Richard Miller | 9 | Son | — | Missouri |
| 11 | Robert Miller | 3 | Son | — | Missouri |
| 12 | Ernest Fechler | 54 | Head | Bricklayer | Germany |
| 13 | Emma G. Fechler | 51 | Wife | — | Missouri |
| 14 | Ruth Fechler | 25 | Daughter | Saleswoman | Missouri |
| 15 | Oscar J. Mueller | 30 | Head | Clerk | Missouri |
| 16 | Lucille Mueller | 30 | Wife | — | Missouri |
| 17 | Mary Ann Mueller | 9 | Daughter | — | Missouri |
| 18 | Jack G. Kaiser | 36 | Head | Coal Weigher | Missouri |
| 19 | Margaret Kaiser | 36 | Wife | — | Missouri |
| 20 | Colletta Kaiser | 19 | Daughter | — | Missouri |
| 21 | Patricia Kaiser | 11 | Daughter | — | Missouri |
| 22 | Susan Kaiser | 5 | Daughter | — | Missouri |
| 23 | John J. Benda | 39 | Head | Car Painter | Missouri |
| 24 | Mae Benda | 39 | Wife | — | Missouri |
| 25 | Conrad Helwes | 57 | Head | Stationary Fireman | Germany |
| 26 | Sonia Helwes | 60 | Wife | — | Missouri |
| 27 | Hugo Besler | 66 | Lodger | — | Missouri |
| 28 | Adolph Draw | 30 | Head | Laborer | Germany |
| 29 | Leona Draw | 28 | Wife | Packer | Missouri |
| 30 | Billie Jean Draw | 5 | Daughter | — | Missouri |
| 31 | Ronald Draw | 1 | Son | — | Missouri |
| 32 | Philip Eiler | 34 | Head | Plasterer | Missouri |
| 33 | Emily Eiler | 30 | Wife | — | Missouri |
| 34 | George Eiler | 7 | Son | — | Missouri |
| 35 | Philip Eiler | 9 | Son | — | Missouri |
| 36 | William Eiler | 2 | Son | — | Missouri |
| 37 | Will Blair | 50 | Head | Asst Supt | Illinois |
| 38 | Josephine Blair | 44 | Wife | — | Missouri |
| 39 | Gennie Wade Endresell | 73 | Head | — | Missouri |
| 40 | John Frank Odelasme | 52 | Head | Yardman | Illinois |
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)