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Julia Murphy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Julia Murphy across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 9-person household.
Age 12
b. ~1918
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Murphy |
| Given Name | Julia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1918 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Alice Murphy | Daughter | — | ~1930 | |
| Elizabeth Murphy | Daughter | — | 42 | ~1888 |
| Julia Murphy | Head | — | 72 | ~1858 |
| Julia Murphy | Daughter | — | 12 | ~1918 |
| Mary Murphy | Daughter | — | 8 | ~1922 |
| Sally Murphy | Daughter | — | 6 | ~1924 |
| Ann Murphy | Daughter | — | 1 | ~1929 |
| Margaret Murphy | Daughter | — | 10 | ~1920 |
| Helen Murphy | Daughter | — | 2 | ~1928 |
Census Appearances
1920
Cook, Illinois
Daughter, age 2
Cook, Illinois · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Jennie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 12
Cook, Illinois · implied b. ~1918 — 9 household members
| Surname | Murphy |
| Given Name | Julia |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Julia Murphy across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Julia Murphy
Daughter · 1930 · age 12 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Ann Murphy
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Murphy
Sibling · 1930 · age 42
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Murphy
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Murphy
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Murphy
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Murphy
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sally Murphy
Sibling · 1930 · age 6
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:illinoiscensus00reel423:0856)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eva N. Hess | 65 | Wife-H | — | Michigan |
| 2 | Lee O. Hess | 48 | Son | Chemist | Michigan |
| 3 | Otis V. Christie | 58 | Roomer | Cook | Denmark |
| 4 | Donald D. Dean | 22 | Head | Switchman | Missouri |
| 5 | Luella Dean | 22 | Wife-H | — | Missouri |
| 6 | Robert W. Fisher | 59 | Head | Night Watchman | Illinois |
| 7 | Belle Fisher | 44 | Wife-H | Graduate Nurse | New York |
| 8 | Elmer F. Hausch | 38 | Head | Switchman | Pennsylvania |
| 9 | Marie Hausch | 26 | Wife-H | Embroiderer | Michigan |
| 10 | George M. Parmenter | 55 | Head | Stock Buyer | Illinois |
| 11 | Mary E. Parmenter | 58 | Wife-H | — | Iowa |
| 12 | Vardon Harvey | 23 | Roomer | Cattle Buyer | Oklahoma |
| 13 | Samuel Campbell | 30 | Roomer | Buyer | Oklahoma |
| 14 | Winona Rehr | 17 | Roomer | Telephone Operator | Iowa |
| 15 | Gretchen Rehr | 19 | Roomer | File Clerk | Iowa |
| 16 | Elizabeth Dark | 75 | Head-H | Practitioner | Illinois |
| 17 | Augusta S. Dark | 46 | Daughter | Stenographer | Illinois |
| 18 | Helen M. Jones | 23 | Lodger | Clerical | Illinois |
| 19 | Ann Clark | 38 | Head | Stenographer | Illinois |
| 20 | Freida Clark | 58 | Mother-H | — | Germany |
| 21 | Dorothy Hallewacks | 34 | Sister | Stenographer | Illinois |
| 22 | Walter D. Powers | 48 | Head | Waiter | New York |
| 23 | Hattie M. Powers | 48 | Wife | — | Illinois |
| 24 | Lewis A. Brown | 35 | Head | Chemical Engr. | New York |
| 25 | Julia Murphy | 72 | Head | Cleaning Bank | Illinois |
| 26 | Elizabeth Murphy | 42 | Daughter | Saleslady | Illinois |
| 27 | Julia Murphy THIS PERSON | 12 | Daughter | — | Illinois |
| 28 | Margaret Murphy | 10 | Daughter | — | Illinois |
| 29 | Mary Murphy | 8 | Daughter | — | Illinois |
| 30 | Sally Murphy | 6 | Daughter | — | Illinois |
| 31 | Helen Murphy | 2 | Daughter | — | Illinois |
| 32 | Ann Murphy | 1 | Daughter | — | Illinois |
| 33 | Alice Murphy | 0 | Daughter | — | Illinois |
| 34 | — | None | — | — | — |
| 35 | — | None | — | — | — |
| 36 | — | None | — | — | — |
| 37 | — | 20 | — | Musician | Illinois |
| 38 | Felix Schmidt | 55 | Head | — | Russia-German |
| 39 | Charles Schmidt | 33 | Son | Foreman Engr. | Illinois |
| 40 | Harry H. Schmidt | 25 | Son | Truck Driver | Illinois |
| 41 | — | 21 | — | Printer | Illinois |
| 42 | — | 20 | — | — | Illinois |
| 43 | Leonard C. | 25 | Son | Truck Driver | Illinois |
| 44 | Bernice | 24 | Daughter-in-law | Bookkeeper | Kansas |
| 45 | Patricia | 2 | Granddaughter | — | Illinois |
| 46 | Peter Ohlhouse | 71 | Head | — | Germany |
| 47 | Anna Ohlhouse | 58 | Wife-H | — | Germany |
| 48 | Hazel Ohlhouse | 24 | Son | Salesman | Illinois |
| 49 | Mildred Ohlhouse | 20 | Daughter | Elevator Opr. | Illinois |
| 50 | John F. Shelley | 50 | Lodger | Special Officer | South Ireland |
Related Census Records
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)