TM
Thomas Murray — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Murray across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Repair Man |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1456 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Repair Man |
| Township / Ward | Chicago |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| Barbara Murray | Daughter | — | 7 | ~1933 |
| Mary Murray | Daughter | — | 11 | ~1929 |
| Thomas Murray | Head | — | 37 | ~1903 |
| Joseph Murray | Son | — | 5 | ~1935 |
| Nellie Murray | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Cook, Illinois
Other, age 18
Cook, Illinois · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Stock Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Other, age 27
Cook, Illinois · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Alien |
| Year of Immigration | 1920 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Packing House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Head, age 37
Cook-County, Illinois · implied b. ~1903 — 5 household members
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Repair Man |
| Industry | Transportation |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1456 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Murray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Murray
Head · 1940 · age 37 · b. ~1903 · Illinois
★ You are viewing this record
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-t0627-01016-00556)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Jane Collins | 16 | Daughter | — | Illinois |
| 2 | Margaret Collins | 14 | Daughter | — | Illinois |
| 3 | Edward Collins | 13 | Son | — | Illinois |
| 4 | Delores Collins | 12 | Daughter | — | Illinois |
| 5 | Joan Collins | 9 | Daughter | — | Illinois |
| 6 | Harriet Collins | 7 | Daughter | — | Illinois |
| 7 | Jacqueline Collins | 6 | Daughter | — | Illinois |
| 8 | Rosemary Collins | 2 | Daughter | — | Illinois |
| 9 | Jacob A. Hansen | 67 | Head | Stone Cutter | Germany |
| 10 | Pauline Hansen | 67 | Wife | — | Germany |
| 11 | Louis Mack | 57 | Head | Upholster | New York |
| 12 | Mary Mack | 67 | Wife | — | Illinois |
| 13 | Lawrence Filavic | 55 | Head | Laborer | Poland |
| 14 | Helen Filavic | 57 | Wife | — | Poland |
| 15 | Lawrence Filavic | 22 | Son | Radio Operator | Illinois |
| 16 | John Filavic | 20 | Son | — | Illinois |
| 17 | Mary Filavic | 17 | Daughter | — | Illinois |
| 18 | — | None | — | — | — |
| 19 | William Scanlon | 52 | Head | Retail Hardware | Illinois |
| 20 | Ann Anderson | 40 | Head | Telephone Oper | Illinois |
| 21 | Armin Roth | 26 | Head | Maintenance Man | Illinois |
| 22 | Thomas Murray THIS PERSON | 37 | Head | Repair Man | Ireland |
| 23 | Nellie Murray | 35 | Wife | — | Ireland |
| 24 | Mary Murray | 11 | Daughter | — | Illinois |
| 25 | Barbara Murray | 7 | Daughter | — | Illinois |
| 26 | Joseph Murray | 5 | Son | — | Illinois |
| 27 | Helen Logie | 68 | Head | Commercial Artist | Illinois |
| 28 | George Halfen | 55 | Head | Pressman | Illinois |
| 29 | Bessie Halfen | 50 | Wife | Sales Lady | Iowa |
| 30 | Josephine Holtz | 54 | Head | Factory Worker | Wisconsin |
| 31 | Mary Molzahn | 58 | Sister | — | Illinois |
| 32 | Arnold Monahan | 25 | Head | Commercial Artist | Illinois |
| 33 | Helen Monahan | 23 | Wife | — | Illinois |
| 34 | Gail Monahan | 3 | Daughter | — | Illinois |
| 35 | Albert | 59 | Father | Wood Worker | Michigan |
| 36 | Frank Porter | 31 | Head | Radio Service | Illinois |
| 37 | Alice Porter | 23 | Wife | — | Illinois |
| 38 | William Hennelly | 65 | Head | Ticket Seller | Wisconsin |
| 39 | Louise Hennelly | 65 | Wife | — | Illinois |
| 40 | George Krause | 31 | Head | Undertaker | 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)