JL
James Logan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Logan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Patrick & Henry — first a son (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Packer |
| Industry | Retail Dept Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1090 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Packer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1910 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Logan | Son | — | 30 | ~1910 |
| William Logan | Son | — | 27 | ~1913 |
| Theresa Logan | Head | — | 57 | ~1883 |
Census Appearances
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 23
Cook, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 30
Cook-County, Illinois · implied b. ~1910 — 3 household members
| Surname | Logan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Packer |
| Industry | Retail Dept Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1090 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 James Logan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Logan (~0.92 confidence) and father Henry Logan (~0.92 confidence) and mother Margaret Logan (~0.92 confidence) and mother Theresa Logan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Logan
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Henry Logan
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Margaret Logan
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Theresa Logan
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Logan
Son · 1940 · age 30 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
William Logan
Sibling · 1940 · age 27
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01010-00911)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Jane Warnock | 4 | Daughter | — | Illinois |
| 42 | George Warnock | 78 | Father | — | Illinois |
| 43 | Carlos Paoli | 38 | Head | Cook | Italy |
| 44 | Emma Paoli | 27 | Wife | — | Illinois |
| 45 | Vivian Paoli | 8 | Daughter | — | Illinois |
| 46 | Carol Paoli | 3 | Daughter | — | Illinois |
| 47 | Carl Paoli | 0 | Son | — | Illinois |
| 48 | Theresa Logan | 57 | Head | — | Illinois |
| 49 | James Logan THIS PERSON | 30 | Son | Packer | Illinois |
| 50 | William Logan | 27 | Son | Stock Man | Illinois |
| 51 | James Parker | 40 | Head | Watchman | South Dakota |
| 52 | Lorraine Parker | 40 | Wife | Sales Clerk | Illinois |
| 53 | Joan Parker | 6 | Daughter | — | Illinois |
| 54 | Jean Parker | 2 | Daughter | — | Illinois |
| 55 | Martin Guarino | 36 | Head | Photographer | Illinois |
| 56 | Eileen Guarino | 25 | Wife | — | Illinois |
| 57 | Martin Guarino | 0 | Son | — | Illinois |
| 58 | Virginia Guarino | 52 | Head | — | Italy |
| 59 | David Guarino | 28 | Son | Station Engineer | Illinois |
| 60 | Anthony Guarino | 24 | Son | Office Clerk | Illinois |
| 61 | Ralph Mott | 33 | Head | Stock Man | Illinois |
| 62 | Marie Mott | 30 | Wife | — | Illinois |
| 63 | Carol May Mott | 3 | Daughter | — | Illinois |
| 64 | Antonio Cutilletta | 37 | Head | Book Keeper | Illinois |
| 65 | Josephine Cutilletta | 37 | Wife | Dress Examiner | Illinois |
| 66 | Marylin Cutilletta | 6 | Daughter | — | Illinois |
| 67 | Paul Getner | 48 | Head | Shipping Clerk | Illinois |
| 68 | Anna Getner | 43 | Wife | — | Illinois |
| 69 | Thomas Getner | 20 | Son | Bailer | Illinois |
| 70 | Robert Getner | 17 | Son | — | Illinois |
| 71 | Billy Getner | 14 | Son | — | Illinois |
| 72 | Arthur Getner | 11 | Son | — | Illinois |
| 73 | Beverly Getner | 6 | Daughter | — | Illinois |
| 74 | Fred Getner | 22 | Son | Grocer Clerk | Illinois |
| 75 | Catherine Getner | 71 | Mother-in-law | — | Kansas |
| 76 | John Ellis | 60 | Head | Watchman | Iowa |
| 77 | Catherine Ellis | 63 | Wife | — | Missouri |
| 78 | Paul Hill | 46 | Head | Carpenter | Iowa |
| 79 | Pauline Hill | 45 | Wife | Cook | Iowa |
| 80 | Betty Hill | 20 | Daughter | Waitress | Iowa |
Pedigree Summary
James + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)