TM
Thomas Murray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Thomas Murray across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Kate Murray | Head | — | 53 | ~1887 |
| Agnes Murray | Other | — | 19 | ~1921 |
| Jack Murray | Son | — | 12 | ~1928 |
| Thomas Murray | Son | — | 30 | ~1910 |
Census Appearances
1910
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Illinois |
| Occupation | none |
| 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 — 4 household members
| Surname | Murray |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | C-2 |
| 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 Thomas Murray across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Murray (~0.92 confidence) and father Thomas Murray (~0.92 confidence) and father Thomas Murray (~0.92 confidence) and mother Kate Murray (~0.92 confidence) and mother Kate Murray (~0.92 confidence) and mother Catherine Murray (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Murray
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Thomas Murray
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Thomas Murray
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Kate Murray
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Kate Murray
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Catherine Murray
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Murray
Son · 1940 · age 30 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Jack Murray
Sibling · 1940 · age 12
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-t0627-00958-00350)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anne Sullivan | 27 | Daughter | — | Illinois |
| 2 | Alice Sullivan | 25 | Daughter | — | Illinois |
| 3 | John Howard | 45 | Head | Police Officer | Illinois |
| 4 | Anna Howard | 45 | Wife | — | Illinois |
| 5 | John Howard | 18 | Son | — | Illinois |
| 6 | James Howard | 16 | Son | — | Illinois |
| 7 | Marilyn Howard | 10 | Daughter | — | Illinois |
| 8 | Charles Mason | 59 | Head | Salesman | Illinois |
| 9 | Julia Mason | 51 | Wife | — | Iowa |
| 10 | Henry Will | 70 | Head | Salesman | Connecticut |
| 11 | Anna Will | 63 | Wife | — | Germany |
| 12 | Floyd Clymer | 24 | Head | Laborer | Indiana |
| 13 | Juanita Clymer | 22 | Wife | Saleslady | Indiana |
| 14 | Joan Clymer | 2 | Daughter | — | Tennessee |
| 15 | Finley | 52 | Father | — | Tennessee |
| 16 | Beulah | 44 | Mother | — | Kentucky |
| 17 | John Driscoll | 41 | Head | Trainman | Illinois |
| 18 | Margaret Driscoll | 38 | Wife | — | Illinois |
| 19 | Ruth Driscoll | 14 | Daughter | — | Illinois |
| 20 | Joseph Brady | 38 | Head | Conductor | Illinois |
| 21 | Margaret Brady | 35 | Wife | — | Illinois |
| 22 | Robert Brady | 9 | Son | — | Illinois |
| 23 | Katherine Monahan | 55 | Mother in law | — | Illinois |
| 24 | David Forest | 62 | Head | Conductor | Eire |
| 25 | Delia Forest | 60 | Wife | — | Eire |
| 26 | Edward Fogarty | 31 | Head | Cashier | Illinois |
| 27 | Mary Fogarty | 29 | Wife | — | Illinois |
| 28 | Maurice Fogarty | 6 | Son | — | Illinois |
| 29 | Nancy Fogarty | 3 | Daughter | — | Illinois |
| 30 | Sheila Fogarty | 1 | Daughter | — | Illinois |
| 31 | Maurice Laphen | 59 | Head | Superintendent | Italy |
| 32 | Antonia Laphen | 50 | Wife | — | Illinois |
| 33 | Kate Murray | 53 | Head | — | Illinois |
| 34 | Thomas Murray THIS PERSON | 30 | Son | — | Illinois |
| 35 | Agnes Murray | 19 | Daughter in law | Stenographer | Illinois |
| 36 | Jack Murray | 12 | Son | — | Illinois |
| 37 | Philip Sheehan | 39 | Head | Fireman | Illinois |
| 38 | Luella Sheehan | 32 | Wife | — | Illinois |
| 39 | Betty Sheehan | 12 | Daughter | — | Illinois |
| 40 | Joseph O'Neil | 56 | Head | Bailiff | Canada English |
Related Census Records
Pedigree Summary
Thomas + 1 sibling
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)