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James Conley — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this James Conley across the 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1910), then head of a 6-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Conley |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg City |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Draftsman |
| Industry | Manufacturing Co |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 1600 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Draftsman |
| Township / Ward | Galesburg City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Leah Conley | Daughter | — | 1 | ~1939 |
| William Conley | Son | — | 4 | ~1936 |
| Roger Conley | Son | — | 3 | ~1937 |
| Marcia Conley | Spouse | — | 27 | ~1913 |
| James Conley | Head | — | 30 | ~1910 |
| Mary Conley | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Knox, Illinois
Son, age 20
Knox, Illinois · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conlee |
| Given Name | James S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Nebraska |
| Occupation | Roofer |
| Industry | Roofing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Knox-County, Illinois
Head, age 30
Knox-County, Illinois · implied b. ~1910 — 6 household members
| Surname | Conley |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Galesburg City |
| 1935 Residence (County) | Knox |
| Occupation | Draftsman |
| Industry | Manufacturing Co |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 1600 |
| Highest Grade | H-4 |
| 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 Conley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Conley
Head · 1940 · age 30 · b. ~1910 · Illinois
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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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00826-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Goldie King | 33 | Wife | — | Illinois |
| 42 | Ronald E King | 2 | Son | — | Illinois |
| 43 | Earl W Melton | 27 | Head | Bookkeeper | Illinois |
| 44 | Geraldine Melton | 32 | Wife | — | Illinois |
| 45 | Sue Carolyn Melton | 1 | Daughter | — | Illinois |
| 46 | Frank John Moline | 58 | Head | Carmen-Helper | Illinois |
| 47 | Sarah Moline | 58 | Wife | — | Illinois |
| 48 | Burl Anderson | 37 | Head | Mail Carrier | Illinois |
| 49 | Alta Anderson | 33 | Wife | — | Illinois |
| 50 | Elvon Anderson | 2 | Son | — | Illinois |
| 51 | James Conley THIS PERSON | 30 | Head | Draftsman | Illinois |
| 52 | Marcia Conley | 27 | Wife | — | Illinois |
| 53 | William Conley | 4 | Son | — | Illinois |
| 54 | Roger Conley | 3 | Son | — | Illinois |
| 55 | Leah Conley | 1 | Daughter | — | Illinois |
| 56 | Mary Conley | 1 | Daughter | — | Illinois |
| 57 | Clifford Anderson | 29 | Head | Salesman | Illinois |
| 58 | Marcia E Anderson | 28 | Wife | — | Illinois |
| 59 | Judith C Anderson | 2 | Daughter | — | Illinois |
| 60 | Hugh Woolam | 51 | Head | Switchman | Illinois |
| 61 | Doris Woolam | 47 | Wife | — | Illinois |
| 62 | George Lunk | 74 | Brother in law | — | Illinois |
| 63 | Louise Leard | 70 | Head | — | Illinois |
| 64 | Inez Monks | 53 | Daughter | — | Illinois |
| 65 | Margaret Schulte | 34 | Grand daughter | Bookkeeper + Cashier | Illinois |
| 66 | John K Schulte | 7 | Great grand son | — | Illinois |
| 67 | John L Armes | 41 | Head | Sales Promotion Work | Illinois |
| 68 | Madeline Armes | 36 | Wife | — | Illinois |
| 69 | Nancy J Armes | 2 | Daughter | — | Illinois |
| 70 | Joy Robertson | 51 | Head | Laborer | Illinois |
| 71 | Henrietta Robertson | 48 | Wife | Folder | Illinois |
| 72 | Eugene Kiernan | 43 | Head | Assistant Yard Master | Illinois |
| 73 | Bertha Kiernan | 43 | Wife | — | Illinois |
| 74 | Richard Kiernan | 13 | Son | — | Illinois |
| 75 | Willard Wilson | 35 | Head | Milk Salesman | Illinois |
| 76 | Vera Wilson | 32 | Wife | — | Illinois |
| 77 | Donald Wilson | 14 | Son | — | Illinois |
| 78 | Kenneth Wilson | 11 | Son | — | Illinois |
| 79 | Achmed Johnson | 40 | Head | Desk Clerk | Illinois |
| 80 | Gertrude Johnson | 38 | Wife | Sales Lady | Illinois |
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)