CM
Catherine Murphy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Catherine Murphy across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murphy |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 5 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Oak Park Village |
| Est. Birth Year | ~1903 |
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 Catherine | Age | Birth yr |
|---|---|---|---|---|
| F Murphy | Head | — | 36 | ~1904 |
| Robert Murphy | Son | — | 12 | ~1928 |
| James Murphy | Son | — | 8 | ~1932 |
| Catherine Murphy | Spouse | — | 37 | ~1903 |
Census Appearances
1920
Cook, Illinois
Other, age 16
Cook, Illinois · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Catherine |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Operator |
| Industry | Telephone Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Other, age 26
Cook, Illinois · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Catherine |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Illinois |
| Occupation | Typist |
| Industry | Publishing house |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 37
Cook-County, Illinois · implied b. ~1903 — 4 household members
| Surname | Murphy |
| Given Name | Catherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Class of Worker | 0 |
| Hours Worked | 5 |
| Highest Grade | H 4 |
| 1935 Residence | Illinois |
| 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 Catherine Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Catherine Murphy
Spouse · 1940 · age 37 · b. ~1903 · 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-t0627-00785-00790)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kreft, Earl Kreft | 27 | Son | Chemist | Illinois |
| 2 | F. D. Murphy | 36 | Head | Agent | Indiana |
| 3 | Catherine Murphy THIS PERSON | 37 | Wife | — | Illinois |
| 4 | Robert Murphy | 12 | Son | — | Illinois |
| 5 | James Murphy | 8 | Son | — | Illinois |
| 6 | Laura Ambler | 64 | Head | Salesman | England |
| 7 | Mary Ambler | 60 | Wife | — | Illinois |
| 8 | Wendal Schneider | 32 | Head | Gas Station | Wisconsin |
| 9 | Florence Schneider | 31 | Wife | — | Illinois |
| 10 | Judith Schneider | 2 | Daughter | — | Illinois |
| 11 | Jane A. Douglas | 82 | Head | — | Ireland |
| 12 | Benjamin Douglas | 43 | Son | Secretary | Illinois |
| 13 | Frank Ryan | 32 | Head | Salesman | Illinois |
| 14 | Margaret Ryan | 30 | Wife | — | Illinois |
| 15 | E. W. Hawkins | 42 | Head | Telephone Engineer | Illinois |
| 16 | Ethel Hawkins | 38 | Wife | — | Illinois |
| 17 | Head Mcnall, M. E. | None | M | — | — |
| 18 | Lillian Mcnall | 43 | Daughter | Ticket Agent | Illinois |
| 19 | Lillian Mcnall | 29 | Daughter | — | Illinois |
| 20 | Edna Logan | 41 | Head | Nurse | Oklahoma |
| 21 | Raymond Mazzie | 54 | Head | Clerk | Illinois |
| 22 | Raymond Jr. Mazzie | 18 | Son | — | Illinois |
| 23 | Richard O. Williams | 24 | Head | Painter (Decorator) | New York |
| 24 | Eleanor Williams | 23 | Wife | — | Illinois |
| 25 | Mary Warr | 48 | Head | Clerk | Illinois |
| 26 | Betty Warr | 21 | Daughter | Stenographer | Wisconsin |
| 27 | Gust Coalias | 56 | Head | Shoe Repair | Greece |
| 28 | Janet Coalias | 58 | Wife | Clerk | New York |
| 29 | F. A. Timmons | 56 | Head | Salesman | Iowa |
| 30 | Alice Timmons | 47 | Wife | — | Iowa |
| 31 | James Timmons | 17 | Son | — | Michigan |
| 32 | D. A. Stolda | 32 | Head | Plumber | Illinois |
| 33 | Margaret A. Stolda | 32 | Wife | — | Illinois |
| 34 | Donald F. Stolda | 10 | Son | — | Illinois |
| 35 | J. Raymond Moore | 43 | Head | Printer | Washington D.C. |
| 36 | Margaret Moore | 34 | Wife | — | Indiana |
| 37 | Milton Trigon | 36 | Head | Manager | Illinois |
| 38 | Anna May Trigon | 35 | Wife | — | Illinois |
| 39 | Bernard Trigon | 12 | Son | — | Illinois |
| 40 | Gerrit J. Van Hees | 56 | Head | Blaster | Holland |
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)