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Mary Maloney — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Maloney across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Mary & John — first a daughter (b.~1903), then head of a 4-person household.
Age 27
b. ~1903
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Maloney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Advertising |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Chicago |
| 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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Maloney | Daughter | — | 27 | ~1903 |
| Mary Maloney | Head | — | 65 | ~1865 |
| Edna Maloney | Son | — | 32 | ~1898 |
| Raymond Maloney | Son | — | 30 | ~1900 |
Census Appearances
1920
Cook, Illinois
Daughter, age 17
Cook, Illinois · implied b. ~1903 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | Marie |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| 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
Daughter, age 27
Cook, Illinois · implied b. ~1903 — 4 household members
| Surname | Maloney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Advertising |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Other, age 38
Cook-County, Illinois · implied b. ~1902 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Malunny |
| Given Name | Marie |
| Relationship to Head | niece |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Stenographer |
| Industry | Steel Company |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 236 |
| Highest Grade | No 8 |
| 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 Mary Maloney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Maloney (~0.92 confidence) and father John Maloney (~0.92 confidence) and mother Catherine Maloney (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Maloney
b. ~1865
Source mother
● Household
· direct · ~0.92
Father
John Maloney
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Catherine Maloney
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Maloney
Daughter · 1930 · age 27 · b. ~1903 · Illinois
★ You are viewing this record
Sibling
Edna Maloney
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Maloney
Sibling · 1930 · age 30
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:illinoiscensus00reel461:0906)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John W. Adair | 51 | Head | Salesman | Michigan |
| 2 | Ethel Adair | 49 | Wife | Saleslady | Missouri |
| 3 | Mabel Lazar | 45 | Roomer | Office Manager | England Canada |
| 4 | Catherine Long | 57 | Housekeeper | Housekeeper | Iowa |
| 5 | — | None | — | — | — |
| 6 | — | None | — | — | — |
| 7 | — | None | — | — | — |
| 8 | — | None | — | — | — |
| 9 | George R. Hurd | 57 | Head | Engineer | Michigan |
| 10 | Anna Hurd | 50 | Wife | — | Illinois |
| 11 | Axel P. Swanson | 51 | Brother-in-law | Superintendent | Sweden |
| 12 | Alex Clement | 57 | Head | Watchman | Michigan |
| 13 | Clara Clement | 54 | Wife | — | Michigan |
| 14 | Adeline Clement | 35 | Daughter | — | Michigan |
| 15 | Marjorie Clement | 33 | Daughter | Operator | Michigan |
| 16 | Jerome Clement | 17 | Son | Factory Hand | Michigan |
| 17 | Bernice Clement | 16 | Son | Factory Hand | Michigan |
| 18 | Edward Clement | 16 | Son | Factory Hand | Michigan |
| 19 | William Gooding | 32 | Roomer | Salesman | Illinois |
| 20 | Cora Gooding | 24 | Roomer | — | Michigan |
| 21 | William Gooding | 5 | Roomer | — | Illinois |
| 22 | Earl Ammons | 47 | Head | Embalmer | Missouri |
| 23 | Maud Ammons | 47 | Wife | — | Ohio |
| 24 | Maxine Ammons | 14 | Daughter | — | Ohio |
| 25 | Mary Maloney | 65 | Head | — | Illinois |
| 26 | Edna Maloney | 32 | Son | Collector | Illinois |
| 27 | Raymond Maloney | 30 | Son | — | Illinois |
| 28 | Mary Maloney THIS PERSON | 27 | Daughter | Stenographer | Illinois |
| 29 | Mary C. Murray | 67 | Head | Teacher | Illinois |
| 30 | Nellie Murray | 63 | Sister | — | Illinois |
| 31 | Annie Murray | 64 | Sister | M. C. Clerk | Illinois |
| 32 | John P. Murray | 53 | Brother | Civil Engineer | Illinois |
| 33 | Katherine M. Murray | 50 | Sister | Teacher | Illinois |
| 34 | Alex Murray | 56 | Head | — | Wisconsin |
| 35 | Helen Murray | 59 | Wife | Teacher | Illinois |
| 36 | Edward J. Murray | 29 | Son | Stenographer | Illinois |
| 37 | Joseph J. Murray | 27 | Son | Inspector | Illinois |
| 38 | John P. Murray | 25 | Son | Mechanic | Illinois |
| 39 | Mary W. Murray | 25 | Daughter | Stenographer | Illinois |
| 40 | Paul V. Murray | 22 | Son | — | Illinois |
| 41 | Gertrude L. Murray | 19 | Daughter | — | Illinois |
| 42 | Frances L. Murray | 16 | Daughter | — | Illinois |
| 43 | Mary Donohue | 42 | Head | Matron | Illinois |
| 44 | Sadie Donohue | 22 | Daughter | Operator | Illinois |
| 45 | Charlotte Donohue | 18 | Daughter | — | Illinois |
| 46 | William Flannery | 20 | Roomer | Messenger | Illinois |
| 47 | Clara Yeoman | 42 | Head | Proprietor | New York |
| 48 | Andy Cross | 36 | Roomer | Inspector | Kentucky |
| 49 | Albertine Joatit | 23 | Roomer | Waitress | France |
| 50 | Leonard Sultz | 37 | Roomer | Inspector | Nebraska |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 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)