RM
Ruth Murphy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Murphy across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 11-person household.
Age 20
b. ~1920
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Murphy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 871 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Waitress |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1920 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Jewel Murphy | Daughter | — | 15 | ~1925 |
| Roberta Murphy | Daughter | — | 2 | ~1938 |
| Walter Murphy | Son | — | 22 | ~1918 |
| Hazel Murphy | Spouse | — | 43 | ~1897 |
| Robert Murphy | Son | — | 23 | ~1917 |
| Richard Murphy | Son | — | 21 | ~1919 |
| Byron Murphy | Son | — | 17 | ~1923 |
| Jo Murphy | Daughter | — | 4 | ~1936 |
| Frances Murphy | Daughter | — | 10 | ~1930 |
| Ruth Murphy | Daughter | — | 20 | ~1920 |
| Frank Murphy | Head | — | 50 | ~1890 |
Census Appearances
1930
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1920 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Cook-County, Illinois
Daughter, age 20
Cook-County, Illinois · implied b. ~1920 — 11 household members
| Surname | Murphy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Waitress |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 871 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Ruth Murphy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Murphy
Daughter · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Robert Murphy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Murphy
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Murphy
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Murphy
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jo Murphy
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Byron Murphy
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jewel Murphy
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Murphy
Sibling · 1940 · age 22
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-t0627-00934-00818)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Murphy | 50 | Head | Sales Agent | Wisconsin |
| 42 | Hazel Murphy | 43 | Wife | — | Wisconsin |
| 43 | Robert Murphy | 23 | Son | Steel Worker | Wisconsin |
| 44 | Walter Murphy | 22 | Son | Attendant | Wisconsin |
| 45 | Richard Murphy | 21 | Son | — | Wisconsin |
| 46 | Ruth Murphy THIS PERSON | 20 | Daughter | Waitress | Wisconsin |
| 47 | Byron Murphy | 17 | Son | — | Wisconsin |
| 48 | Jewel Murphy | 15 | Daughter | — | Wisconsin |
| 49 | Frances Murphy | 10 | Daughter | — | Illinois |
| 50 | Jo Anne Murphy | 4 | Daughter | — | Illinois |
| 51 | Roberta Murphy | 2 | Daughter | — | Illinois |
| 52 | Arthur B. Anderson | 45 | Head | Florist | Illinois |
| 53 | Beth Anderson | 43 | Wife | Clerk | Illinois |
| 54 | Agnes Heckman | 61 | Mother-in-law | — | Indiana |
| 55 | John Heckman | 66 | Brother-in-law | Barber | Illinois |
| 56 | Harry Howe | 38 | Head | Electrical Engineer | Illinois |
| 57 | Anna Bel Howe | 38 | Wife | — | Illinois |
| 58 | Irving Swinehart | 57 | Head | Artist | Illinois |
| 59 | Ida Swinehart | 52 | Wife | — | Illinois |
| 60 | Frances Swinehart | 23 | Daughter | Stenographer | Illinois |
| 61 | Frances Howe | 23 | Head | Stenographer | Illinois |
| 62 | Margaret Buttimer | 47 | Aunt | — | Eire |
| 63 | Charles Chamberlin | 57 | Head | Clerk | Illinois |
| 64 | Katherine Chamberlin | 45 | Wife | — | Illinois |
| 65 | Charles Chamberlin | 11 | Son | — | Illinois |
| 66 | Donald Roach | 42 | Head | Salesman | Kentucky |
| 67 | Marion Roach | 49 | Wife | — | Illinois |
| 68 | Donna M. Roach | 16 | Daughter | — | Illinois |
| 69 | Marilyn Roach | 13 | Daughter | — | Illinois |
| 70 | Nancy Jane Roach | 9 | Daughter | — | Illinois |
| 71 | Helen Chittis | 50 | Head | — | Michigan |
| 72 | Mary H. Chittis | 20 | Daughter | — | Illinois |
| 73 | Fred Chittis | 16 | Son | — | Illinois |
| 74 | Nancy Chittis | 13 | Daughter | — | Illinois |
| 75 | James Wood | 62 | Head | Representative | Indiana |
| 76 | Hilda Wood | 62 | Wife | — | Illinois |
| 77 | Evelyn Wood | 33 | Daughter | — | Illinois |
| 78 | Eleanore Wood | 31 | Daughter | Clerk | Illinois |
| 79 | Frank Matlack | 53 | Head | Agent | Illinois |
| 80 | Margaret Matlack | 45 | Wife | Agent | Illinois |
Related Census Records
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)