GM
Grace Murphy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Grace Murphy across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents George & James — first a daughter (b.~1914), then head of a 5-person household.
Age 16
b. ~1914
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Murphy |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Grace Murphy | Daughter | — | 16 | ~1914 |
| James Murphy | Head | — | 53 | ~1877 |
| Mathilda Murphy | Other | — | 50 | ~1880 |
| Virginia Murphy | Daughter | — | 14 | ~1916 |
| Leroy Murphy | Son | — | 19 | ~1911 |
Census Appearances
1920
Cook, Illinois
Daughter, age 5
Cook, Illinois · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1914 — 5 household members
| Surname | Murphy |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 27
Cook-County, Illinois · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Geraldine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Stenographer |
| Industry | Radio Station |
| Class of Worker | PW |
| Hours Worked | 6 |
| Income (1939) | 236 |
| Highest Grade | C 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 Grace Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father George Murphy (~0.92 confidence) and father James Murphy (~0.92 confidence) and father Thomas Murphy (~0.92 confidence) and mother Irene Murphy (~0.92 confidence) and mother Reba Murphy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Murphy
b. ~1876
Source father
● Household
· direct · ~0.92
Father
James Murphy
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Thomas Murphy
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Irene Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Reba Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Murphy
Daughter · 1930 · age 16 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Leroy Murphy
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Murphy
Sibling · 1930 · age 14
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:illinoiscensus00reel461:0246)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Pasco Mancini | 51 | Head | Plasterer | Italy |
| 2 | Rose Mancini | 51 | Wife-H | — | Italy |
| 3 | Josephine Mancini | 22 | Daughter | — | New York |
| 4 | Jack Mancini | 21 | Son | Plasterer | New York |
| 5 | Sam Mancini | 19 | Son | Laborer | New York |
| 6 | Roxy Mancini | 16 | Son | — | Illinois |
| 7 | Patrick H Mcelligott | 62 | Head | — | Ireland |
| 8 | Bridget Mcelligott | 58 | Wife-H | — | Ireland |
| 9 | James Murphy | 53 | Head | Motorman | Wisconsin |
| 10 | Mathilda Murphy | 50 | Wife-H | — | Illinois |
| 11 | Leroy Murphy | 19 | Son | Clerk | Illinois |
| 12 | Grace Murphy THIS PERSON | 16 | Daughter | — | Illinois |
| 13 | Virginia Murphy | 14 | Daughter | — | Illinois |
| 14 | Anton Deck | 55 | Head | Tailor | Illinois |
| 15 | Edna Deck | 44 | Wife-H | — | Michigan |
| 16 | Raymond Deck | 14 | Son | — | Illinois |
| 17 | Charles Robinson | 48 | Head | Cook | Arkansas |
| 18 | Harold Burmeister | 31 | Son-in-law | Machine Operator | Illinois |
| 19 | Eva Burmeister | 27 | Daughter | — | Arkansas |
| 20 | Harold Jr. Burmeister | 2 | Grandson | — | Illinois |
| 21 | Charles Jr. Robinson | 25 | Son | Advertising | Arkansas |
| 22 | Sam Shifrin | 56 | Head | — | Russia |
| 23 | Anna Shifrin | 54 | Wife-H | — | Russia |
| 24 | Arthur Shifrin | 32 | Son | Tailor | Russia |
| 25 | Ely Shifrin | 30 | Son | Tailor | Russia |
| 26 | Rose Shifrin | 18 | Daughter | Clerk | Illinois |
| 27 | Mary Shifrin | 16 | Daughter | Clerk | Illinois |
| 28 | Otto Wolff | 37 | Head | Chauffeur | Massachusetts |
| 29 | Ida Wolff | 35 | Wife-H | — | Russia |
| 30 | Melvin Wolff | 3 | Son | — | Illinois |
| 31 | Charles Meister | 42 | Head | Milkman | Pennsylvania |
| 32 | Jeanette Meister | 31 | Wife-H | — | Pennsylvania |
| 33 | Earl Meister | 9 | Son | — | Illinois |
| 34 | Abraham Weiss | 39 | Head | Commission | Rumania |
| 35 | Rebecca Weiss | 36 | Wife-H | — | Rumania |
| 36 | Paul Weiss | 17 | Son | Usher | Illinois |
| 37 | Ethel Weiss | 16 | Daughter | — | Illinois |
| 38 | Ida Weiss | 15 | Daughter | — | Illinois |
| 39 | Sarah Weiss | 15 | Daughter | — | Illinois |
| 40 | Bessie Weiss | 11 | Daughter | — | Illinois |
| 41 | Louis Epstein | 45 | Head | Driver | Russia |
| 42 | Frieda Epstein | 39 | Wife-H | — | Lithuania |
| 43 | Sam Epstein | 19 | Son | Clerk | Illinois |
| 44 | Ethel Epstein | 18 | Daughter | Stenographer | Illinois |
| 45 | Morris Epstein | 15 | Son | — | Illinois |
| 46 | Wilbert Epstein | 14 | Son | — | Illinois |
| 47 | Dorothy Epstein | 11 | Daughter | — | Illinois |
| 48 | Bernice Epstein | 8 | Daughter | — | Illinois |
| 49 | Lawrence Burke | 59 | Head | Inspector | Ireland |
| 50 | Helen Burke | 51 | Wife-H | — | Minnesota |
Pedigree Summary
Grace + 2 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)