TC
Thomas Conway — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Conway across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1901), then head of a 5-person household.
Age 39
b. ~1901
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Conway |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | 40 |
| Industry | investigator |
| Class of Worker | Gas company |
| Highest Grade | No 8 |
| 1935 Residence | Same home |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | 40 |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1901 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| John Conway | Head | — | 71 | ~1869 |
| Edward Conway | Son | — | 31 | ~1909 |
| Delia Conway | Spouse | — | 70 | ~1870 |
| Thomas Conway | Son | — | 39 | ~1901 |
| William Conway | Son | — | 37 | ~1903 |
Census Appearances
1920
Cook, Illinois
Son, age 18
Cook, Illinois · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conway |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Advertising Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 29
Cook, Illinois · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conway |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Chauffeur |
| Industry | Gas Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 39
Cook-County, Illinois · implied b. ~1901 — 5 household members
| Surname | Conway |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Cook |
| Occupation | 40 |
| Industry | investigator |
| Class of Worker | Gas company |
| Highest Grade | No 8 |
| 1935 Residence | Same home |
| 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 Thomas Conway across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Conway (~0.92 confidence) and father John Conway (~0.92 confidence) and father Thomas Conway (~0.92 confidence) and mother Delia Conway (~0.92 confidence) and mother Delia Conway (~0.92 confidence) and mother Margaret Conway (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Conway
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Conway
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Thomas Conway
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Delia Conway
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Delia Conway
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Margaret Conway
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Conway
Son · 1940 · age 39 · b. ~1901 · Illinois
★ You are viewing this record
Sibling
Edward Conway
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Conway
Sibling · 1940 · age 37
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-t0627-01016-00420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Phillip Doherty | 40 | head | Conductor | Northern Ireland |
| 2 | Margaret Doherty | 39 | wife | None | Northern Ireland |
| 3 | James Doherty | 4 | son | — | Illinois |
| 4 | Louis Scherer | 46 | head | 44 | Illinois |
| 5 | Clara Scherer | 48 | wife | — | Illinois |
| 6 | John H. England | 29 | head | 40 | Wisconsin |
| 7 | Janice England | 72 | mother | None | Holland |
| 8 | Edmond Clark | 56 | head | 32 | Maine |
| 9 | Bertha Clark | 62 | wife | — | Illinois |
| 10 | Otto Conrad | 45 | head | 44 | Illinois |
| 11 | Mary Conrad | 42 | wife | 10 | Illinois |
| 12 | Emille Hoan | 60 | lodger | None | England |
| 13 | Alfred Conrad | 40 | head | 56 | Illinois |
| 14 | Marie Conrad | 71 | mother | None | Germany |
| 15 | Louis Sauer | 45 | head | — | Illinois |
| 16 | Margaret Sauer | 46 | wife | 30 | Wisconsin |
| 17 | John C Courtney | 54 | lodger | 36 | Wisconsin |
| 18 | Louise Sauer | 68 | head | None | Germany |
| 19 | Charles Sauer | 40 | son | 44 | Illinois |
| 20 | Michael Lagrue | 52 | head | Motorman | Irish Free State |
| 21 | Mary Lagrue | 26 | daughter | 44 | Illinois |
| 22 | Margaret Lagrue | 22 | daughter | 44 | Illinois |
| 23 | Vincent Lagrue | 21 | son | 40 | Illinois |
| 24 | John Gannon | 49 | head | 44 | Illinois |
| 25 | Louise Gannon | 45 | wife | — | Illinois |
| 26 | Jack C Gannon | 8 | son | — | Illinois |
| 27 | John Conway | 71 | head | — | Northern Ireland |
| 28 | Delia Conway | 70 | wife | — | Northern Ireland |
| 29 | Thomas Conway THIS PERSON | 39 | son | 40 | Illinois |
| 30 | William Conway | 37 | son | 40 | Illinois |
| 31 | Edward Conway | 31 | son | 40 | Illinois |
| 32 | Emil Brecholz | 52 | head | 13 | Illinois |
| 33 | Elizabeth Brecholz | 51 | wife | — | Illinois |
| 34 | Lavergne Brecholz | 13 | daughter | — | Illinois |
| 35 | Rose Schulze | 50 | head | 40 | Illinois |
| 36 | Frederick Schulze | 18 | son | 42 | Illinois |
| 37 | Harry Schulze | 15 | son | — | Illinois |
| 38 | Peter Christensen | 51 | head | Butter Maker | Denmark |
| 39 | Johanne Christensen | 47 | wife | None | Denmark |
| 40 | Paul Christensen | 22 | son | 44 | Indiana |
Related Census Records
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 6 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)