JL
John Logan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this John Logan across the 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 11-person household.
Age 22
b. ~1918
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | Logan |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Madison Township |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | host-carrier |
| Industry | bridge construction |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 1000 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Host-Carrier |
| Township / Ward | Madison Township |
| Est. Birth Year | ~1918 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Gladys Logan | Daughter | — | 14 | ~1926 |
| Marie Logan | Daughter | — | 12 | ~1928 |
| Viola Logan | Daughter | — | 16 | ~1924 |
| Vera Logan | Daughter | — | 8 | ~1932 |
| Katherine Logan | Daughter | — | 19 | ~1921 |
| Albert Logan | Head | — | 59 | ~1881 |
| George Logan | Son | — | 18 | ~1922 |
| Arthur Logan | Son | — | 10 | ~1930 |
| Raymond Logan | Son | — | 24 | ~1916 |
| John Logan | Son | — | 22 | ~1918 |
| Mary Logan | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Mercer, New …
Son, age 13
Mercer, New Jersey · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Son, age 22
Middlesex-County, New Jersey · implied b. ~1918 — 11 household members
| Surname | Logan |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Madison Township |
| 1935 Residence (County) | Middlesex |
| Occupation | host-carrier |
| Industry | bridge construction |
| Class of Worker | PW |
| Hours Worked | 21 |
| Income (1939) | 1000 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Logan
Son · 1940 · age 22 · b. ~1918 · New Jersey
★ You are viewing this record
Sibling
Marie Logan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Logan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Logan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Viola Logan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Logan
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Logan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Logan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vera Logan
Sibling · 1940 · age 8
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 — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02363-00981)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | """Arthur, """"Jr""""""" Appleby | 21 | son | — | New Jersey |
| 42 | Albert Logan | 59 | head | Laborer | Pennsylvania |
| 43 | Mary Logan | 49 | wife | — | New Jersey |
| 44 | Raymond Logan | 24 | son | Truck Driver | New Jersey |
| 45 | John Logan THIS PERSON | 22 | son | Host-Carrier | New Jersey |
| 46 | Katherine Logan | 19 | daughter | House Keeper | New Jersey |
| 47 | George Logan | 18 | son | New Worker | New Jersey |
| 48 | Viola Logan | 16 | daughter | — | New Jersey |
| 49 | Gladys Logan | 14 | daughter | — | New Jersey |
| 50 | Marie Logan | 12 | daughter | — | New Jersey |
| 51 | Arthur Logan | 10 | son | — | New Jersey |
| 52 | Vera Logan | 8 | daughter | — | New Jersey |
| 53 | Michael Walnozy | 49 | head | Laborer | Poland |
| 54 | Katherine Walnozy | 48 | wife | — | Austria |
| 55 | Helen Walnozy | 16 | daughter | — | New Jersey |
| 56 | Wanda Walnozy | 15 | daughter | — | New Jersey |
| 57 | """Peter """"Jr""""""" Walnozy | 23 | step-son | — | New Jersey |
| 58 | Ann Walnozy | 22 | step-daughter | Yeast Cutter | New Jersey |
| 59 | Mary Walnozy | 20 | step-daughter | House-Keeper | New Jersey |
| 60 | William Brown | 50 | head | Gardener | New Jersey |
| 61 | Laura Brown | 41 | wife | Practical Nurse | New Jersey |
| 62 | William Thompson | 25 | lodger | Wholesale Candy Salesman | New Jersey |
| 63 | James Jolley | 63 | head | — | New Jersey |
| 64 | Grace Jolley | 59 | wife | — | New Jersey |
| 65 | Helen E. Perrine | 57 | head | — | New Jersey |
| 66 | Louisa Perrine | 64 | sister | — | New Jersey |
| 67 | John Bard Perrine | 86 | uncle | — | New Jersey |
| 68 | John Kokoska | 29 | head | Machine Operator | New Jersey |
| 69 | Helen Kokoska | 26 | wife | — | New Jersey |
| 70 | Leonard Kokoska | 5 | son | — | New Jersey |
| 71 | Bernadine Kokoska | 3 | daughter | — | New Jersey |
| 72 | Eleanor Kokoska | 0 | daughter | — | New Jersey |
| 73 | Nelson Thompson | 43 | head | Laborer | New Jersey |
| 74 | Jerome Ullan | 38 | head | Physician | New York |
| 75 | Lillian Ullan | 26 | wife | — | New York |
| 76 | Antoinette Ullan | 1 | daughter | — | New Jersey |
| 77 | John Van Dursen | 37 | head | Dentist | New Jersey |
| 78 | Anne Van Dursen | 32 | wife | — | New Jersey |
| 79 | Jack Van Dursen | 5 | son | — | New Jersey |
| 80 | Joan Van Dursen | 4 | daughter | — | New Jersey |
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)