JH
John Hagan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this John Hagan across the 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Hagan |
| Given Name | John, Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Ferguson |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Mary Hagan | Daughter | — | 24 | ~1916 |
| John Hagan | Son | — | 23 | ~1917 |
| John Hagan | Head | — | 52 | ~1888 |
| Nora Hagan | Spouse | — | 50 | ~1890 |
| Laverne Hagan | Daughter | — | 14 | ~1926 |
Census Appearances
Son, age 12
St Louis, Missouri · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Connecticut |
| 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 23
St.-Louis-City-County, Missouri · implied b. ~1917 — 5 household members
| Surname | Hagan |
| Given Name | John, Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Ferguson |
| 1935 Residence (County) | St. Louis |
| Class of Worker | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Missouri |
| 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 Hagan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hagan
Son · 1940 · age 23 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
Mary Hagan
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laverne Hagan
Sibling · 1940 · age 14
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
39 people indexed on this census page (nara:1940:m-t0627-02192-00592)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leila Dawson | 5 | Daughter | — | — |
| 42 | John E Bettlach | 46 | Head | Grocer | Missouri |
| 43 | Veronica Bettlach | 42 | Wife | — | Missouri |
| 44 | Jeanette Bettlach | 22 | Daughter | Bookkeeper | Missouri |
| 45 | John, Jr Bettlach | 19 | Son | Clerk | Missouri |
| 46 | Robert Bettlach | 15 | Son | — | Missouri |
| 47 | Clement Dallas | 39 | Head | Dyemaker | Missouri |
| 48 | Cecelia Dallas | 35 | Wife | — | Missouri |
| 49 | Harold Dallas | 19 | Son | Laborer | Missouri |
| 50 | Clementine Dallas | 12 | Daughter | — | Missouri |
| 51 | Richard Dallas | 7 | Son | — | Missouri |
| 52 | Diana Dallas | 2 | Daughter | — | — |
| 53 | Sylvester Dallas | 33 | Brother | Carpenter | Missouri |
| 54 | William F Lawrence | 44 | Head | Clerk | Missouri |
| 55 | Margaret Lawrence | 33 | Wife | — | Missouri |
| 56 | Joseph Lawrence | 20 | Son | Office Boy | Missouri |
| 57 | Loraine Lawrence | 15 | Daughter | File Clerk | Missouri |
| 58 | Frances Brown | 17 | Son | Elevator Opr | Missouri |
| 59 | Edward J Day | 36 | Head | Clergyman | Massachusetts |
| 60 | Lillian Day | 38 | Wife | — | Massachusetts |
| 61 | Virginia L Day | 16 | Daughter | — | Massachusetts |
| 62 | Edward C Day | 7 | Son | — | Massachusetts |
| 63 | Kathryn Petker | 61 | Head | — | Missouri |
| 64 | Kathryn Geitz | 20 | Daughter | — | Colorado |
| 65 | Jennifer Geitz | 1 | Grand Daughter | — | — |
| 66 | Caroline Swartz | 60 | Servant | — | Missouri |
| 67 | Alma Dester | 51 | Head | Social Worker | Kansas |
| 68 | Anna M Dester | 71 | Mother | — | Oklahoma |
| 69 | Jessie Tuffli | 45 | Head | — | Illinois |
| 70 | Antony Rothfischer | 50 | Head | Butcher | Germany |
| 71 | Marie Rothfischer | 54 | Wife | — | Missouri |
| 72 | Louis Rothfischer | 20 | Son | Clerk | Missouri |
| 74 | John Hagan | 52 | Head | Bartender | Missouri |
| 75 | Nora Hagan | 50 | Wife | — | Missouri |
| 76 | Mary E Hagan | 24 | Daughter | Telephone Operator | Missouri |
| 77 | John, Jr Hagan THIS PERSON | 23 | Son | — | Missouri |
| 78 | Laverne Hagan | 14 | Daughter | — | Missouri |
| 79 | Fred Schallert | 32 | Head | Truck Driver | Missouri |
| 80 | Dody Schallert | 29 | Wife | — | Missouri |
Related Census Records
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)