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Frank Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Frank Murphy across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Elizabeth & Margaret — first a head (b.~1899), then head of a 6-person household.
Age 41
b. ~1899
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murphy |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Patrolman |
| Industry | City of Chicago |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Patrolman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1899 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Mary Murphy | Daughter | — | 6 | ~1934 |
| Frank Murphy | Head | — | 41 | ~1899 |
| Daniel Murphy | Son | — | 8 | ~1932 |
| Thomas Murphy | Son | — | 1 | ~1939 |
| Frank Murphy | Son | — | 15 | ~1925 |
| Mary Murphy | Spouse | — | 36 | ~1904 |
Census Appearances
1920
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Occupation | Secretary |
| Industry | City of Chicago |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Son, age 31
Cook, Illinois · implied b. ~1899 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Frances |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Illinois |
| Occupation | Lodge |
| Industry | W |
| Class of Worker | 0 |
| Can Read/Write | Secretary |
| Mother Tongue | Yes |
| Veteran | WW |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 41
Cook-County, Illinois · implied b. ~1899 — 6 household members
| Surname | Murphy |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Patrolman |
| Industry | City of Chicago |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 2400 |
| Highest Grade | Hs 4 |
| 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 Frank Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Murphy (~0.92 confidence) and mother Margaret Murphy (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Murphy
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Margaret Murphy
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Murphy
Head · 1940 · age 41 · b. ~1899 · 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-t0627-00982-00191)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Agnes D. Hill | 22 | Wife | — | Illinois |
| 42 | Patricia Hill | 2 | Daughter | — | Illinois |
| 43 | Robert Goldman | 33 | Head | Clerk | Illinois |
| 44 | Ethel Goldman | 27 | Wife | — | Illinois |
| 45 | Edward J. O'Donald | 33 | Head | Patrolman | Illinois |
| 46 | Dorothy O'Donald | 26 | Wife | — | Illinois |
| 47 | Edward O'Donald | 11 | Son | — | Illinois |
| 48 | John O'Donald | 10 | Son | — | Illinois |
| 49 | Thomas J. Jr. Unger | 40 | Head | Distilman | Illinois |
| 50 | Marie Unger | 40 | Wife | — | Massachusetts |
| 51 | Provitt June Unger | 21 | Daughter | Clerical | Illinois |
| 52 | Robert Unger | 26 | Son | Soldier | Illinois |
| 53 | Margaret O. Unger | 21 | Daughter-in-law | — | Illinois |
| 54 | Frank Murphy THIS PERSON | 41 | Head | Patrolman | Illinois |
| 55 | Mary R. Murphy | 36 | Wife | — | Illinois |
| 56 | Frank Jr. Murphy | 15 | Son | — | Illinois |
| 57 | Daniel J. Murphy | 8 | Son | — | Illinois |
| 58 | Mary Jane Murphy | 6 | Daughter | — | Illinois |
| 59 | Thomas Murphy | 1 | Son | — | Illinois |
| 60 | Catherine Mcgrath | 46 | Head | Assistant | Eire |
| 61 | James Mcgrath | 23 | Son | Laborer | Illinois |
| 62 | Margaret R. Mcgrath | 21 | Daughter | Mail Reader | Illinois |
| 63 | Martin Mcgrath | 19 | Son | Machinist | Illinois |
| 64 | Marion Mahoney | 49 | Head | Clerk | Illinois |
| 65 | Catherine Mahoney | 38 | Sister | Laboratory | Illinois |
| 66 | Thomas Rich Mahoney | 33 | Brother | Salesman | Illinois |
| 67 | John Mahoney | 29 | Brother | Truck Driver | Illinois |
| 68 | Thomas Shelley | 8 | Nephew | — | Illinois |
| 69 | Herman Glass | 34 | Head | Carpenter | Pennsylvania |
| 70 | Adelphia Glass | 35 | Wife | — | Colorado |
| 71 | Herman Glass | 9 | Son | — | Illinois |
| 72 | Catherine Glass | 8 | Daughter | — | Illinois |
| 73 | John Glass | 6 | Son | — | Illinois |
| 74 | James Glass | 5 | Son | — | Illinois |
| 75 | Michael J. Gibbons | 31 | Head | Butcher | Illinois |
| 76 | Helen Gibbons | 31 | Wife | — | Illinois |
| 77 | Noreen O. Gibbons | 4 | Daughter | — | Illinois |
| 78 | Michael J. Gibbons | 2 | Son | — | Illinois |
| 79 | Thomas F. Gibbons | 1 | Son | — | Illinois |
| 80 | Edward J. Conan | 72 | Father-in-law | Clerk | Eire |
Related Census Records
Pedigree Summary
Frank
Gen 1 · 2 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)