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Sarah Murphy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Sarah Murphy across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 13
b. ~1917
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Murphy |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1917 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Sarah | Age | Birth yr |
|---|---|---|---|---|
| John Bryan | Other | — | 44 | ~1886 |
| Sarah Murphy | Daughter | — | 13 | ~1917 |
| Charles Murphy | Son | — | 5 | ~1925 |
| Thomas Murphy | Son | — | 16 | ~1914 |
| William Murphy | Head | — | 40 | ~1890 |
| Marilyn Murphy | Son | — | 9 | ~1921 |
| Patrick Murphy | Son | — | 3 | ~1927 |
| Elizabeth Murphy | Daughter | — | 7 | ~1923 |
| Amelia Murphy | Spouse | — | 38 | ~1892 |
| Katherine Murphy | Daughter | — | 1 | ~1929 |
Census Appearances
1930
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1917 — 10 household members
| Surname | Murphy |
| Given Name | Sarah |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Other, age 23
Cook-County, Illinois · implied b. ~1917 — 40 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Sr. M. Venita |
| Relationship to Head | Nun |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| 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 Sarah Murphy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Sarah Murphy
Daughter · 1930 · age 13 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Marilyn Murphy
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Murphy
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Murphy
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Murphy
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Murphy
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Murphy
Sibling · 1930 · age 5
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel439:0294)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Fernenz | 35 | Head | Laborer | Indiana |
| 2 | Florence Fernenz | 24 | Wife | — | Indiana |
| 3 | Bernice Fernenz | 2 | Daughter | — | Illinois |
| 4 | Charles Matezka | 38 | Head | Truck Driver | Illinois |
| 5 | Esther Matezka | 37 | Wife | — | Illinois |
| 6 | Charles Matezka | 18 | Son | Asst. Clerk | Illinois |
| 7 | Albin Bergman | 34 | Brother-in-law | Commission Merchant | Illinois |
| 8 | Harvey Gertrude | 50 | Head | Salesman | Illinois |
| 9 | Bertha Gertrude | 48 | Wife | — | Germany |
| 10 | Fred Olsen | 29 | Son-in-law | Printer | Illinois |
| 11 | Edna Olsen | 29 | Daughter | — | Illinois |
| 12 | Shirley Olsen | 1 | Granddaughter | — | Illinois |
| 13 | James Zima | 58 | Head | Tailor | Czechoslovakia |
| 14 | Elizabeth Zima | 58 | Wife | — | Czechoslovakia |
| 15 | James Zima | 28 | Son | Printer | Illinois |
| 16 | Edward Zima | 23 | Son | Salesman | Illinois |
| 17 | Lillian Zima | 19 | Daughter | Stenographer | Illinois |
| 18 | Adeline Zima | 18 | Daughter | Stenographer | Illinois |
| 19 | John Finley | 67 | Head | — | Northern Ireland |
| 20 | Nellie Finley | 67 | Wife | — | Northern Ireland |
| 21 | Frank Mustach | 31 | Head | Pressman | Germany |
| 22 | Dorothy Mustach | 26 | Wife | Bundle Maker | Pennsylvania |
| 23 | Raymond Mustach | 7 | Son | — | Illinois |
| 24 | Lorraine Mustach | 5 | Daughter | — | Illinois |
| 25 | Catherine Oliver | 57 | Mother-in-law | — | New Jersey |
| 26 | Louise Oliver | 35 | Sister-in-law | Egg Candler | Pennsylvania |
| 27 | John Reba | 52 | Head | Laborer | Czechoslovakia |
| 28 | Mary Reba | 50 | Wife | — | Czechoslovakia |
| 29 | Mary Reba | 31 | Daughter | Machine Oper | Illinois |
| 30 | Frank Reba | 21 | Son | Truck Driver | Illinois |
| 31 | James Reba | 19 | Son | Asst. Driver | Illinois |
| 32 | Mildred Reba | 18 | Daughter | Machine Oper | Illinois |
| 33 | James Reba | 14 | Son | — | Illinois |
| 34 | Helen Reba | 12 | Daughter | — | Illinois |
| 35 | Katherine Beranek | 86 | Mother-in-law | — | Czechoslovakia |
| 36 | William Murphy | 40 | Head | Laborer | Illinois |
| 37 | Amelia Murphy | 38 | Wife | — | Illinois |
| 38 | Thomas Murphy | 16 | Son | Office Boy | Illinois |
| 39 | Sarah Murphy THIS PERSON | 13 | Daughter | — | Illinois |
| 40 | Marilyn Murphy | 9 | Son | — | Illinois |
| 41 | Elizabeth Murphy | 7 | Daughter | — | Illinois |
| 42 | Charles Murphy | 5 | Son | — | Illinois |
| 43 | Patrick Murphy | 3 | Son | — | Illinois |
| 44 | Katherine Murphy | 1 | Daughter | — | Illinois |
| 45 | John Bryan | 44 | Lodger | Steamfitter | Illinois |
| 46 | Charles Kohler | 48 | Head | Chauffeur | Illinois |
| 47 | Constance Gegenwort | 67 | Head | — | Germany |
| 48 | William Gegenwort | 37 | Son | Credit Manager | Illinois |
| 49 | William Jr. Gegenwort | 13 | Son | — | Illinois |
| 50 | George Gegenwort | 43 | Head | Manager | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)