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Frank Murphy — 1940 US Census Record
Linked across censuses1940 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) — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murphy |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Electric Welder |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2419 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Electric Welder |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1901 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Winifred Murphy | Daughter | — | 12 | ~1928 |
| Frank Murphy | Head | — | 39 | ~1901 |
| Gerald Murphy | Son | — | 8 | ~1932 |
| Marion Murphy | Spouse | — | 31 | ~1909 |
Census Appearances
1920
Cook, Illinois
Head, age 19
Cook, Illinois · implied b. ~1901 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Frank |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Pneumatic Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth State | Illinois |
| Birth Country | United States |
| Year of Naturalization | R |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 28
Cook, Illinois · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Motorman |
| Industry | Street Car Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 39
Cook-County, Illinois · implied b. ~1901 — 4 household members
| Surname | Murphy |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Electric Welder |
| Industry | Steel Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2419 |
| Highest Grade | H 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.
Show:
This person
Anchor record
Frank Murphy
Head · 1940 · age 39 · b. ~1901 · Illinois
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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-t0627-00942-00541)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janet Broholm | 13 | Daughter | — | Illinois |
| 42 | Roger Broholm | 9 | Son | — | Illinois |
| 43 | Donald Broholm | 6 | Son | — | Illinois |
| 44 | Kenneth Broholm | 4 | Son | — | Illinois |
| 45 | Harold B. Wright | 32 | Head | Information Clerk | Illinois |
| 46 | Elizabeth Mrs Wright | 29 | Wife | — | Michigan |
| 47 | Judith Wright | 1 | Daughter | — | Illinois |
| 48 | Frank P. Murphy THIS PERSON | 39 | Head | Electric Welder | Illinois |
| 49 | Marion Mrs Murphy | 31 | Wife | — | Illinois |
| 50 | Winifred Murphy | 12 | Daughter | — | Illinois |
| 51 | Gerald Murphy | 8 | Son | — | Illinois |
| 52 | Lawrence Henderson | 38 | Head | Roller | Illinois |
| 53 | Helen Mrs Henderson | 36 | Wife | — | Illinois |
| 54 | Lawrence Jr. Henderson | 16 | Son | — | Illinois |
| 55 | James Henderson | 12 | Son | — | Illinois |
| 56 | Hans Peterson | 44 | Head | Painter | Illinois |
| 57 | Tillia Mrs Peterson | 44 | Wife | — | Illinois |
| 58 | Fern Peterson | 22 | Daughter | — | Illinois |
| 59 | Florence Johnson | 30 | Sister in law | Stenographer | Illinois |
| 60 | Robert Holovic | 45 | Head | Heater Helper | Austria |
| 61 | Mary Mrs Holovic | 34 | Wife | — | Austria |
| 62 | John Holovic | 11 | Son | — | Illinois |
| 63 | Florence Holovic | 9 | Daughter | — | Illinois |
| 64 | Robert Holovic | 7 | Son | — | Illinois |
| 65 | James Holovic | 2 | Son | — | Illinois |
| 66 | Harry Algrim | 47 | Head | Welder Helper | Indiana |
| 67 | Ida Mrs Algrim | 44 | Wife | — | Illinois |
| 68 | Arthur Algrim | 24 | Son | Electric Welder | Illinois |
| 69 | Letha Algrim | 19 | Daughter | Typist | Illinois |
| 70 | Elmer W. Weber | 35 | Head | Mailing Operator | Illinois |
| 71 | Ida Mrs Weber | 32 | Wife | — | Illinois |
| 72 | Elmer Jr. Weber | 16 | Son | — | Illinois |
| 73 | Gerald Weber | 11 | Son | — | Illinois |
| 74 | Janice Weber | 9 | Daughter | — | Illinois |
| 75 | — | None | — | — | — |
| 76 | J. Herman Green | 43 | Head | Milk Man | Indiana |
| 77 | Edna Mrs Green | 38 | Wife | — | Indiana |
| 78 | R. J. Initial Name Green | 18 | Son | — | Indiana |
| 79 | Richard E. Green | 15 | Son | — | Indiana |
| 80 | Iris Green | 12 | Daughter | — | Illinois |
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)