JM
John Murray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Murray across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Patrick — first a son (b.~1919), then head of a 10-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Record Clerk |
| Industry | Electric Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Record Clerk |
| Township / Ward | Chicago |
| Est. Birth Year | ~1919 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Murray | Daughter | — | 23 | ~1917 |
| Bernadette Murray | Daughter | — | 13 | ~1927 |
| Jane Murray | Daughter | — | 19 | ~1921 |
| Elizabeth Murray | Daughter | — | 19 | ~1921 |
| John Murray | Head | — | 52 | ~1888 |
| Joseph Murray | Son | — | 12 | ~1928 |
| Donald Murray | Son | — | 2 | ~1938 |
| James Murray | Son | — | 27 | ~1913 |
| John Murray | Son | — | 21 | ~1919 |
| Myrtle Murray | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 10 household members
| Surname | Murray |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Record Clerk |
| Industry | Electric Mfg. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 780 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 John Murray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Murray (~0.92 confidence) and father Patrick Murray (~0.92 confidence) and mother Helen Murray (~0.92 confidence) and mother Helen Murray (~0.92 confidence) and mother Myrtle Murray (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Murray
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Patrick Murray
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Helen Murray
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Helen Murray
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Myrtle Murray
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Murray
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Joseph Murray
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Murray
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Murray
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Murray
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadette Murray
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Murray
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Murray
Sibling · 1940 · age 23
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-t0627-00981-00365)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary | 24 | Wife | Machine Oper | Indiana |
| 2 | Ronald | 5 | Son | — | Illinois |
| 3 | Phillip Salomone | 51 | Head | Laborer | Italy |
| 4 | Angeline Salomone | 49 | Wife | Owner | Italy |
| 5 | John Murray | 52 | Head | Marshall - Fire | Illinois |
| 6 | Myrtle Murray | 51 | Wife | — | Illinois |
| 7 | James Murray | 27 | Son | Sign Cleaner | Illinois |
| 8 | Ruth Murray | 23 | Daughter | Stenographer | Illinois |
| 9 | John Murray THIS PERSON | 21 | Son | Record Clerk | Illinois |
| 10 | Elizabeth Murray | 19 | Daughter | — | Illinois |
| 11 | Jane Murray | 19 | Daughter | — | Illinois |
| 12 | Bernadette Murray | 13 | Daughter | — | Illinois |
| 13 | Joseph Murray | 12 | Son | — | Illinois |
| 14 | Donald Murray | 2 | Son | — | Illinois |
| 15 | Edward Jr Burke | 48 | Head | Locomotive Engr | Illinois |
| 16 | Lillian Burke | 48 | Wife | — | Illinois |
| 17 | William Burke | 24 | Son | Laborer | Illinois |
| 18 | Richard Burke | 20 | Son | Hiker | Illinois |
| 19 | Edward Jr Burke | 15 | Son | — | Illinois |
| 20 | Jean Burke | 14 | Daughter | — | Illinois |
| 21 | Stanley Hoffman | 47 | Head | Police Officer | Illinois |
| 22 | Pauline Hoffman | 49 | Wife | — | Poland |
| 23 | Edward Hoffman | 21 | Son | Stock Clerk | Illinois |
| 24 | Dorothy Hoffman | 25 | Daughter | Stenographer | Illinois |
| 25 | John Kuciki | 46 | Brother-in-law | Pattern Maker | Illinois |
| 26 | Fred O. Kestner | 37 | Head | Asst Supt | Illinois |
| 27 | Mary Kestner | 33 | Wife | — | Germany |
| 28 | Charlene Kestner | 11 | Daughter | — | Illinois |
| 29 | Lois June Kestner | 9 | Daughter | — | Illinois |
| 30 | Dorothy Mae Kestner | 8 | Daughter | — | Illinois |
| 31 | Winifred June Kestner | 5 | Daughter | — | Illinois |
| 32 | Martin Saar | 67 | Father-in-law | — | Germany |
| 33 | Katherine Saar | 67 | Mother-in-law | — | Germany |
| 34 | Paul C. Kestner | 51 | Head | Packer | Illinois |
| 35 | Paula Kestner | 51 | Wife | Folding | Illinois |
| 36 | Ruth Kestner | 20 | Daughter | Binder | Illinois |
| 37 | Emilia Samuely | 68 | Head | — | Czechoslovakia |
| 38 | Joseph Samuely | 37 | Son | Accountant | Illinois |
| 39 | Edward Samuely | 36 | Son | Mail Clerk | Illinois |
| 40 | Anna Samuely | 35 | Daughter | Secretary | Illinois |
Pedigree Summary
John + 7 siblings
Gen 1 · 5 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)