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Joseph Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Joseph Murphy across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Thomas & Michael — first a son (b.~1909), then head of a 2-person household.
Age 31
b. ~1909
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Teller |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1620 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teller |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1909 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Agnes Murphy | Head | — | 65 | ~1875 |
| Joseph Murphy | Son | — | 31 | ~1909 |
Census Appearances
1910
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1909 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| 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 21
Cook, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Attendant |
| Industry | Gas Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 31
Cook-County, Illinois · implied b. ~1909 — 2 household members
| Surname | Murphy |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Teller |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1620 |
| Highest Grade | Hs 1 |
| 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 Joseph Murphy across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Murphy (~0.92 confidence) and father Michael Murphy (~0.92 confidence) and mother Johanna Murphy (~0.92 confidence) and father Michael Murphy (~0.92 confidence) and mother Agnes Murphy (~0.92 confidence) and mother Rose Murphy (~0.92 confidence) and mother Rose Murphy (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Murphy
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Michael Murphy
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Johanna Murphy
b. ~1874
Source mother
● Household
· direct · ~0.92
Father
Michael Murphy
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Agnes Murphy
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Rose Murphy
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Rose Murphy
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Murphy
Son · 1940 · age 31 · b. ~1909 · 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-t0627-00982-00545)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harry Wright | 59 | Head | Fireman | Ohio |
| 42 | Mary Wright | 54 | Wife | — | Illinois |
| 43 | Frank Johnson | 31 | Head | Clerk | Illinois |
| 44 | Helen V. Johnson | 30 | Wife | Bookkeeper | Illinois |
| 45 | Robert W. Mclaughlin | 33 | Brother-in-law | Bartender | Illinois |
| 46 | James P. Mclaughlin | 29 | Brother-in-law | Bartender | Illinois |
| 47 | Elizabeth O'Brien | 57 | Head | Clerk | Illinois |
| 48 | Margaret O'Brien | 64 | Sister | — | Illinois |
| 49 | Mae Meehan | 50 | Head | Telephone Operator | Illinois |
| 50 | James Meehan | 19 | Son | Draftsman | Illinois |
| 51 | Patricia Meehan | 22 | Daughter | Stenographer | Illinois |
| 52 | Lyda Wagner | 65 | Aunt | — | Illinois |
| 53 | John Tasky | 62 | Head | Manager | Russia |
| 54 | Sadie Tasky | 44 | Wife | — | Russia |
| 55 | Joseph Greenfield | 37 | Head | Bartender | Iowa |
| 56 | Rita Greenfield | 26 | Wife | — | Illinois |
| 57 | Robert Greenfield | 7 | Son | — | New York |
| 58 | Mary Kirk | 42 | Head | — | Iowa |
| 59 | Frances Kirk | 23 | Daughter | Salesclerk | Iowa |
| 60 | Mary Donovan | 70 | Head | — | Illinois |
| 61 | Agnes Murphy | 65 | Head | — | Irish Free State |
| 62 | Joseph Murphy THIS PERSON | 31 | Son | Teller | Illinois |
| 63 | Marie Riley | 36 | Head | — | Illinois |
| 64 | John Riley | 19 | Son | Chef | Illinois |
| 65 | Catherine Riley | 17 | Daughter | Waitress | Illinois |
| 66 | Anthony Pansa | 35 | Head | Polisher | New York |
| 67 | Lottie Pansa | 25 | Wife | — | Nebraska |
| 68 | Max Clemens | 58 | Head | Machinist | Germany |
| 69 | Winifred Clemens | 63 | Wife | — | Illinois |
| 70 | Agnes Young | 61 | Sister-in-law | — | Illinois |
| 71 | Emma Lynch | 72 | Sister-in-law | — | Illinois |
| 72 | Zephirin Bourdep | 74 | Head | — | Canada French |
| 73 | Adele Bourdep | 73 | Wife | — | Canada French |
| 74 | Eugene Bourdep | 37 | Son | Draftsman | Illinois |
| 75 | George Bourdep | 28 | Son | Bookkeeping | Illinois |
| 76 | Virginia Clement | 70 | Head | — | Michigan |
| 77 | Pauline Clement | 44 | Daughter | — | Michigan |
| 78 | Arthur Hennessey | 43 | Head | Fireman | Illinois |
| 79 | Florence Hennessey | 42 | Wife | — | Illinois |
| 80 | Richard Hennessey | 19 | Son | — | Illinois |
Pedigree Summary
Joseph
Gen 1 · 7 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)