MC
Mary Cleary — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Cleary across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1916), then head of a 7-person household.
Age 14
b. ~1916
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Cleary |
| Given Name | Mary K. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Cleary | Son | — | 12 | ~1918 |
| Christine Bregaj | Other | — | 19 | ~1911 |
| Raymond Cleary | Son | — | 2 | ~1928 |
| Nellie Cleary | Other | — | 37 | ~1893 |
| Albert Judas | Other | — | 47 | ~1883 |
| James Cleary | Head | — | 40 | ~1890 |
| Mary Cleary | Daughter | — | 14 | ~1916 |
Census Appearances
1920
Cook, Illinois
Daughter, age 4
Cook, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cleary |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 14
Cook, Illinois · implied b. ~1916 — 7 household members
| Surname | Cleary |
| Given Name | Mary K. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 25
Cook-County, Illinois · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cleary |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| 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 Mary Cleary across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Cleary (~0.92 confidence) and father James Cleary (~0.92 confidence) and father Philip Cleary (~0.92 confidence) and mother Bridget Cleary (~0.92 confidence) and mother Theresa Cleary (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Cleary
b. ~1879
Source father
● Household
· direct · ~0.92
Father
James Cleary
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Philip Cleary
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Bridget Cleary
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Theresa Cleary
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Cleary
Daughter · 1930 · age 14 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
James Cleary
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Cleary
Sibling · 1930 · age 2
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:illinoiscensus00reel451:0784)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Cleary | 40 | Head | Watchman | Illinois |
| 2 | Nellie Cleary | 37 | Wife-H | None | Illinois |
| 3 | Mary K. Cleary THIS PERSON | 14 | daughter | None | Illinois |
| 4 | James Jr. Cleary | 12 | son | None | So. Dakota |
| 5 | Raymond R. Cleary | 2 | son | None | Illinois |
| 6 | Christine Bregaj | 19 | Roomer | Envelope Maker | Czechoslovakia |
| 7 | Albert Judas | 47 | Roomer | Car Inspector | Poland |
| 8 | John Eilers | 69 | Head | None | Germany |
| 9 | Annie Eilers | 59 | Wife-H | None | Illinois |
| 10 | Leonard Eilers | 33 | Head | Agent | Illinois |
| 11 | Emma Eilers | 33 | Wife-H | None | Illinois |
| 12 | Robert Eilers | 11 | son | None | Illinois |
| 13 | John Domin | 47 | Head | Painter | Poland |
| 14 | Kate Domin | 43 | Wife-H | None | Poland |
| 15 | Jessie Domin | 18 | daughter | Clerk | Poland |
| 16 | Walter Domin | 17 | son | Clerk | Illinois |
| 17 | John Jr. Domin | 11 | son | None | Illinois |
| 18 | Louis Kandzorski | 40 | Head | Laborer | Poland |
| 19 | Josie Kandzorski | 28 | Wife-H | None | Illinois |
| 20 | Chester Kandzorski | 7 | son | None | Illinois |
| 21 | Dorothy Kandzorski | 6 | daughter | None | Illinois |
| 22 | Raymond Kandzorski | 5 | son | None | Illinois |
| 23 | Louis Kandzorski | 2 | son | None | Illinois |
| 24 | Rose M. Kandzorski | 0 | daughter | None | Illinois |
| 25 | William Clark | 31 | Head | Laborer | Illinois |
| 26 | Mary Clark | 31 | Wife | None | Illinois |
| 27 | Morris Glass | 45 | Head | Salesman | Russia |
| 28 | Jessie Glass | 45 | Wife-H | None | Russia |
| 29 | William Glass | 21 | son | Salesman | Illinois |
| 30 | Fannie Glass | 17 | daughter | None | Illinois |
| 31 | Harry Rubin | 42 | Head | Operator | New York |
| 32 | Pearl Rubin | 41 | Wife-H | None | Illinois |
| 33 | Alvin Rubin | 19 | son | None | Illinois |
| 34 | Herman Rubin | 17 | son | None | Illinois |
| 35 | Evelyn Rubin | 16 | daughter | None | Illinois |
| 36 | Marian Rubin | 12 | daughter | None | Illinois |
| 37 | Jack Bimbroff | 28 | brother-in-law | Printing | Illinois |
| 38 | Jacob Slobodski | 40 | Head | — | Poland |
| 39 | Pearl Slobodski | 35 | Wife-H | None | Poland |
| 40 | Phillip Slobodski | 15 | son | None | Poland |
| 41 | Frankie Slobodski | 9 | son | None | Poland |
| 42 | Nathan Daffner | 29 | Boarder | Salesman | Poland |
| 43 | Harry Daffner | 32 | Boarder | Salesman | Poland |
| 44 | Aaron J. Dominick | 26 | Boarder | Pharmacist | Poland |
| 45 | Ada Dominick | 25 | Boarder | Bookkeeper | Poland |
| 46 | Joseph Bogomilski | 25 | nephew | Repairer | Poland |
| 47 | Mildred Bogomilski | 24 | wife | Saleslady | Poland |
| 48 | Andrew Mc Greal | 29 | Head | Motorman | Ireland |
| 49 | Anna Mc Greal | 27 | wife-H | None | Pennsylvania |
| 50 | Jane Mc Greal | 2 | daughter | None | Illinois |
Pedigree Summary
Mary + 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)