JL
John Logan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delta-County, Michigan
Our Model Tree links this John Logan across the 1920, 1930 and 1940 US Censuses in Delta-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 3-person household.
Age 70
b. ~1870
Male
Head
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Michigan |
| Surname | Logan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Perkins |
| 1935 Residence (County) | Delta |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Farmer |
| Township / Ward | Perkins |
| Est. Birth Year | ~1870 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Logan | Head | — | 70 | ~1870 |
| Howard Logan | Son | — | 31 | ~1909 |
| Anna Logan | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Delta, Michigan
Head, age 50
Delta, Michigan · implied b. ~1870 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1889 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Sweden |
| Year of Naturalization | 1895 |
| Birthplace (normalized) | sweden |
1930
Delta, Michigan
Head, age 60
Delta, Michigan · implied b. ~1870 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Home Owned/Rented | O |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Delta-County, Michigan
Head, age 70
Delta-County, Michigan · implied b. ~1870 — 3 household members
| Surname | Logan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Perkins |
| 1935 Residence (County) | Delta |
| Naturalization Status | Naturalized |
| Occupation | farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Highest Grade | G 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Logan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Logan
Head · 1940 · age 70 · b. ~1870 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Delta-County, Michigan
Open full size
1940 US Federal Census — Delta-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01745-00010)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kenneth Lachance | 11 | Son | — | Michigan |
| 42 | Ruthlyn Mckinney | 19 | Step-daughter | No | Ohio |
| 43 | Gary Mckinney | 10 | Step-son | — | Ohio |
| 44 | Ralph Rasmussen | 34 | Head | Road Laborer | Michigan |
| 45 | Florence Rasmussen | 32 | Wife | — | Michigan |
| 46 | Dick Rasmussen | 12 | Son | — | Michigan |
| 47 | William Rasmussen | 6 | Son | — | Michigan |
| 48 | Dana Rasmussen | 5 | Daughter | — | Michigan |
| 49 | Minnie Hall | 44 | Head | Farmer | Michigan |
| 50 | Bernard Hamilton | 40 | Head | Labourer | South Dakota |
| 51 | Hazel Hamilton | 44 | Wife | — | Minnesota |
| 52 | Evelyn Hamilton | 7 | Daughter | — | Michigan |
| 53 | Harold Hamilton | 17 | Son | — | Michigan |
| 54 | John Robus | 39 | Head | Laborer | Russia |
| 55 | John Anna Robus | 67 | Mother | — | Russia |
| 56 | Howard Yudarkis | 40 | Head | Farmer | Michigan |
| 57 | Olga Yudarkis | 33 | Wife | — | Michigan |
| 58 | Frank Miller | 74 | Lodger | — | Germany |
| 59 | Victor Everard | 56 | Lodger | Laborer | Wisconsin |
| 60 | Victor Johnson | 47 | Head | Laborer | Sweden |
| 61 | Marie Johnson | 40 | Wife | — | Sweden |
| 62 | Violet Johnson | 14 | Daughter | — | Illinois |
| 63 | Ruth Johnson | 2 | Daughter | — | Illinois |
| 64 | Richard Johnson | 2 | Son | — | Michigan |
| 65 | Clayton Morden | 37 | Head | Farmer | Michigan |
| 66 | Roseanna Morden | 30 | Wife | — | Michigan |
| 67 | Ruth Morden | 4 | Daughter | — | Michigan |
| 68 | Charles Morden | 87 | Father | — | Sweden |
| 69 | Adelore Leduc | 60 | Father-in-law | Laborer | Michigan |
| 70 | John Logan THIS PERSON | 70 | Head | Farmer | Sweden |
| 71 | Anna Logan | 66 | Wife | — | Michigan |
| 72 | Howard Logan | 31 | Son | Farmer | Michigan |
| 73 | William Shockey | 50 | Head | Laborer | Michigan |
| 74 | Elena Shockey | 41 | Wife | — | Michigan |
| 75 | Lowel Shockey | 22 | Son | New Worker | Michigan |
| 76 | Gilbert Shockey | 20 | Son | New Worker | Michigan |
| 77 | Kenneth Shockey | 18 | Son | New Worker | Michigan |
| 78 | Alden Shockey | 12 | Son | — | Michigan |
| 79 | Thomas Clausen | 54 | Head | Farmer | Michigan |
| 80 | Armilda Clausen | 54 | Wife | — | Minnesota |
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)