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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 Michael & Bridget — first a daughter (b.~1914), then head of a 4-person household.
Age 16
b. ~1914
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Maloney |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| 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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Maloney | Daughter | — | 4 | ~1926 |
| Lillian Maloney | Daughter | — | 10 | ~1920 |
| Mary Maloney | Daughter | — | 16 | ~1914 |
| Agnes Maloney | Head | — | 40 | ~1890 |
Census Appearances
1920
Cook, Illinois
Daughter, age 5
Cook, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maloney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1914 — 4 household members
| Surname | Maloney |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mallaney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Chambermaid |
| Industry | Hotel |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 675 |
| Highest Grade | No 8 |
| 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 Mary Maloney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Maloney (~0.92 confidence) and mother Bridget Maloney (~0.92 confidence) and mother Agnes Maloney (~0.92 confidence) and father Steve Malizzign (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Michael Maloney
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Bridget Maloney
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Agnes Maloney
b. ~1890
Source mother
● Household
· direct · ~0.92
Father
Steve Malizzign
b. ~1908
Source father
● Household
· direct · ~0.6
This person
Anchor record
Mary Maloney
Daughter · 1930 · age 16 · b. ~1914 · Illinois
★ You are viewing this record
Sibling
Lillian Maloney
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Maloney
Sibling · 1930 · age 4
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
49 people indexed on this census page (ia:1930:illinoiscensus00reel485:0928)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Irvin Genoff | 36 | Head | — | Ohio |
| 52 | Roland Genoff | 15 | Son | Salesman | Ohio |
| 53 | Adele Genoff | 17 | Daughter | — | Ohio |
| 54 | Idellen Genoff | 14 | Daughter | — | Ohio |
| 55 | June J. Genoff | 8 | Daughter | — | Illinois |
| 56 | Betty Genoff | 6 | Daughter | — | Illinois |
| 57 | Dorothy Cooper | 32 | Sister | Filing | Ohio |
| 58 | Edward Tracey | 50 | Head | Clerk | Illinois |
| 59 | Mary Tracey | 44 | Wife | — | Illinois |
| 60 | Celeste Tracey | 19 | Daughter | — | Illinois |
| 61 | Edward Tracey | 18 | Son | Chauffeur | Illinois |
| 62 | Norbert Tracey | 17 | Son | — | Illinois |
| 63 | Vincent Tracey | 6 | Son | — | Illinois |
| 64 | Ray Christian | 35 | Head | Brick Layer | Minnesota |
| 65 | Marie Christian | 31 | Wife | — | Minnesota |
| 66 | Violet Christian | 11 | Daughter | — | Minnesota |
| 67 | Kenneth Christian | 19 | Brother | Upholsterer | Minnesota |
| 68 | James J. Mcguire | 37 | Head | Printer | English Canada |
| 69 | Lyla Mcguire | 31 | Wife | — | Pennsylvania |
| 70 | Joseph Mcguire | 5 | Son | — | Illinois |
| 71 | Rosemary Mcguire | 4 | Daughter | — | Illinois |
| 72 | Bernadette Mcguire | 1 | Daughter | — | Illinois |
| 74 | Harry Lucky | 60 | Head | Janitor | Russia |
| 75 | George Buchanan | 38 | Head | Conductor | Northern Ireland |
| 76 | Nora Buchanan | 34 | Wife | — | Northern Ireland |
| 77 | Joseph Buchanan | 11 | Son | — | Illinois |
| 78 | Edmund Buchanan | 9 | Son | — | Illinois |
| 79 | Eileen Buchanan | 8 | Daughter | — | Illinois |
| 80 | Patricia Buchanan | 4 | Daughter | — | Illinois |
| 81 | Thomas Buchanan | 2 | Son | — | Illinois |
| 82 | Walter Battersby | 30 | Head | Cap Cutter | New Jersey |
| 83 | Florence Battersby | 32 | Wife | — | Illinois |
| 84 | Walter J. Battersby | 4 | Son | — | Illinois |
| 85 | Ralph L. Battersby | 2 | Son | — | Illinois |
| 86 | Agnes J. Maloney | 40 | Head | House Work | Ireland |
| 87 | Mary E. Maloney THIS PERSON | 16 | Daughter | — | Illinois |
| 88 | Lillian G. Maloney | 10 | Daughter | — | Illinois |
| 89 | Agnes J. Maloney | 4 | Daughter | — | Illinois |
| 90 | Thomas J. O'Mara | 48 | Head | Agent | Ireland |
| 91 | Margaret V. O'Mara | 47 | Wife | — | Indiana |
| 92 | Eileen C. Canary | 23 | Daughter | Cutter | Indiana |
| 93 | Mary C. O'Mara | 11 | Daughter | — | Illinois |
| 94 | Martha T. O'Mara | 7 | Daughter | — | Illinois |
| 95 | Harry Dalton | 55 | Head | Plumbing | Ohio |
| 96 | Maude Dalton | 51 | Wife | Proprietress | Ohio |
| 97 | Bill Dalton | 19 | Son | Stock Clerk | Illinois |
| 98 | Clark Bear | 38 | Brother | Cutter | Ohio |
| 99 | Mollie Blackman | 48 | Sister | Clerk | Ireland |
| 100 | Bridget Lynch | 36 | Head | Washwoman | Ireland |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 4 parents
~0.84
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)