JG
John Gilmore — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Laporte-County, Indiana
Our Model Tree links this John Gilmore across the 1930 and 1940 US Censuses in Laporte-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Laporte-County, Indiana |
| Surname | Gilmore |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Michigan City |
| 1935 Residence (County) | LaPorte |
| Additional Details | |
| Occupation | Welder |
| Industry | Freight Car Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 401 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Welder |
| Township / Ward | Michigan 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Gilmore | Daughter | — | 14 | ~1926 |
| Margaret Gilmore | Spouse | — | 44 | ~1896 |
| Wallace Gilmore | Head | — | 50 | ~1890 |
| Jane Gilmore | Daughter | — | 17 | ~1923 |
| John Gilmore | Son | — | 19 | ~1921 |
| Paul Gilmore | Son | — | 12 | ~1928 |
| Richard Gilmore | Son | — | 10 | ~1930 |
Census Appearances
1930
La Porte, …
Son, age 9
La Porte, Indiana · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gilmore |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Laporte-County, Indiana
Son, age 19
Laporte-County, Indiana · implied b. ~1921 — 7 household members
| Surname | Gilmore |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Michigan City |
| 1935 Residence (County) | LaPorte |
| Occupation | Welder |
| Industry | Freight Car Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 401 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Gilmore across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Gilmore
Son · 1940 · age 19 · b. ~1921 · Indiana
★ You are viewing this record
Sibling
Mary Gilmore
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Gilmore
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Gilmore
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Gilmore
Sibling · 1940 · age 12
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 — Laporte-County, Indiana
Open full size
1940 US Federal Census — Laporte-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01070-00143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elsie Dean | 43 | Wife | — | Illinois |
| 42 | Shirley Dean | 17 | Daughter | — | Illinois |
| 43 | John Russell | 56 | Lodger | Pattern Maker | Norway |
| 44 | Wallace Gilmore | 50 | Head | Clerk | Indiana |
| 45 | Margaret Gilmore | 44 | Wife | — | New York |
| 46 | John Gilmore THIS PERSON | 19 | Son | Welder | Indiana |
| 47 | Jane Gilmore | 17 | Daughter | — | Indiana |
| 48 | Mary Gilmore | 14 | Daughter | — | Indiana |
| 49 | Paul Gilmore | 12 | Son | — | Indiana |
| 50 | Richard Gilmore | 10 | Son | — | Indiana |
| 51 | William R. Russell | 50 | Head | Electrician | Indiana |
| 52 | Martha Russell | 49 | Wife | — | Indiana |
| 53 | William A. Will | 30 | Son-in-law | Riveter | Indiana |
| 54 | Frances Will | 26 | Daughter | — | Indiana |
| 55 | Gerald Will | 7 | Grandson | — | Indiana |
| 56 | Dorothy Will | 4 | Granddaughter | — | Indiana |
| 57 | Edward Haller | 71 | Head | Proprietor | Indiana |
| 58 | Henry Haller | 68 | Brother | Carpenter | Indiana |
| 59 | Amanda Haller | 65 | Sister-in-law | — | Indiana |
| 60 | James Sheffer | 41 | Head | School Teacher | Indiana |
| 61 | Marie Sheffer | 32 | Wife | — | Indiana |
| 62 | James Sheffer | 6 | Son | — | Indiana |
| 63 | John Edward Sheffer | 1 | Son | — | Indiana |
| 64 | Frieda Parthun | 16 | Lodger | — | Indiana |
| 65 | — | None | — | — | — |
| 66 | Alex Jurcik | 37 | Head | Pattern Shop Foreman | Illinois |
| 67 | Josephine Jurcik | 31 | Wife | — | Indiana |
| 68 | Rita Mary Jurcik | 5 | Daughter | — | Indiana |
| 69 | Jerome James Jurcik | 5 | Son | — | Indiana |
| 70 | Earl Holem | 48 | Head | Motion Picture Operator | Indiana |
| 71 | Ora Holem | 27 | Wife | — | Tennessee |
| 72 | Roger Lee Holem | 4 | Son | — | Indiana |
| 73 | Herbert Peterson | 41 | Head | Civil Engineer | Indiana |
| 74 | Adeline Peterson | 43 | Wife | — | Illinois |
| 75 | Thomas Peterson | 9 | Son | — | Indiana |
| 76 | Linda E. Oliger | 84 | Head | — | Michigan |
| 77 | Francis M. Oliger | 46 | Son | Plumber | Ohio |
| 78 | Ewald Gross | 54 | Head | Signal Maintainer | Germany |
| 79 | Anna Gross | 46 | Wife | — | Indiana |
| 80 | Robert Gross | 19 | Son | Apprentice Electrician | Indiana |
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)