WM
William Murray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Murray across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents William & Jennie — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Structural Engineer |
| Industry | Building Contractor |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 574 |
| Highest Grade | C-3 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Structural Engineer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1915 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Murray | Head | — | 67 | ~1873 |
| Robert Fagan | Other | — | 34 | ~1906 |
| Betty Lindner | Other | — | 53 | ~1887 |
| William Murray | Son | — | 25 | ~1915 |
| Frances Murray | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| 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 16
Cook, Illinois · implied b. ~1914 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 25
Cook-County, Illinois · implied b. ~1915 — 5 household members
| Surname | Murray |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Structural Engineer |
| Industry | Building Contractor |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 574 |
| Highest Grade | C-3 |
| 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 William Murray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Murray (~0.92 confidence) and mother Jennie Murray (~0.92 confidence) and mother Jennie Murray (~0.92 confidence) and mother Frances Murray (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Murray
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Jennie Murray
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Jennie Murray
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Frances Murray
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Murray
Son · 1940 · age 25 · b. ~1915 · 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-t0627-01014-00936)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Voila Alinkas | 48 | Daughter | — | Greece |
| 2 | Gabriel Alinkas | 10 | Grandson | — | Illinois |
| 3 | Olga Alinkas | 9 | Daughter | — | Illinois |
| 4 | George Alinkas | 8 | Son | — | Illinois |
| 5 | Michael Alinkas | 26 | Son | Bartender | Greece |
| 6 | Alya Alinkas | 23 | Daughter-in-law | — | Greece |
| 7 | Christina Alinkas | 2 | Granddaughter | — | Illinois |
| 8 | Jack Abrohan | 48 | Head | Janitor | Russia |
| 9 | Elma Abrohan | 30 | Wife | — | Russia |
| 10 | Daniel Abrohan | 14 | Son | — | Illinois |
| 11 | Esther Abrohan | 11 | Daughter | — | Illinois |
| 12 | Walter Abrohan | 6 | Son | — | Illinois |
| 13 | James Abrohan | 2 | Son | — | Illinois |
| 14 | Robert Melle | 62 | Head | Laborer | State of New York |
| 15 | Elizabeth Melle | 65 | Wife | — | State of New York |
| 16 | John Melle | 25 | Son | Tool Maker Apprentice | Illinois |
| 17 | Martin Landform | 56 | Lodger | Moulder | Finland |
| 18 | William Murray | 67 | Head | Salesman | Scotland |
| 19 | Frances Murray | 51 | Wife | Waitress | Germany |
| 20 | William Murray THIS PERSON | 25 | Son | Structural Engineer | Illinois |
| 21 | Betty Lindner | 53 | Lodger | — | Germany |
| 22 | Robert Fagan | 34 | Lodger | Clerk | Illinois |
| 23 | Mary Doris | 41 | Head | — | Hungary |
| 24 | Henry Baxter | 50 | Head | Janitor | Finland |
| 25 | Harold Hanson | 21 | Lodger | Operator | Iowa |
| 26 | Allen Zittequist | 26 | Lodger | Press Operator | Iowa |
| 27 | James Sprague | 23 | Lodger | Plater | Iowa |
| 28 | Joseph Meier | 64 | Head | Mail Clerk | Illinois |
| 29 | Elizabeth Meier | 60 | Wife | — | Illinois |
| 30 | Marie Meier | 35 | Daughter | Biller | Illinois |
| 31 | Margaret Meier | 27 | Daughter | Stenographer | Illinois |
| 32 | Charles Schmidt | 29 | Head | Buffer | Illinois |
| 33 | Evelyn Schmidt | 30 | Wife | Clerk | Illinois |
| 34 | Lillian Schmidt | 8 | Daughter | — | Illinois |
| 35 | Michael Schmidt | 7 | Son | — | Illinois |
| 36 | Herman Groeger | 28 | Head | Chef | Germany |
| 37 | Harriet Groeger | 27 | Wife | — | Illinois |
| 38 | Ralph Groeger | 4 | Son | — | Illinois |
| 39 | Mary Groeger | 2 | Daughter | — | Illinois |
| 40 | Ernest Swider | 32 | Head | Cameraman | England |
Pedigree Summary
William
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)