MK
Mary Kenney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Kenney across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 7-person household.
Age 57
b. ~1873
Female
Head
Born: Ireland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Kenney |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1873 |
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 |
|---|---|---|---|---|
| Daniel Kenney | Son | — | 17 | ~1913 |
| Mary Kenney | Daughter | — | 21 | ~1909 |
| Austin Kenney | Son | — | 26 | ~1904 |
| Matthew Kenney | Son | — | 28 | ~1902 |
| Mary Kenney | Head | — | 57 | ~1873 |
| Thomas Kenney | Son | — | 24 | ~1906 |
| James Kenney | Son | — | 23 | ~1907 |
Census Appearances
1930
Cook, Illinois
Head, age 57
Cook, Illinois · implied b. ~1873 — 7 household members
| Surname | Kenney |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1890 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Other, age 67
Cook-County, Illinois · implied b. ~1873 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kenney |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | No |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Kenney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kenney
Head · 1930 · age 57 · b. ~1873 · Illinois
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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:illinoiscensus00reel434:0403)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Kolodziejaski | 8 | Daughter | — | Illinois |
| 2 | Benjamin Kolodziejaski | 6 | Son | — | Illinois |
| 3 | Josephine Kolodziejaski | 4 | Daughter | — | Illinois |
| 4 | John Jr. Kolodziejaski | 2 | Son | — | Illinois |
| 5 | Irene Kolodziejaski | 0 | Daughter | — | Illinois |
| 6 | John Demopolus | 44 | Head | Chef | Greece |
| 7 | Anna Demopolus | 33 | Wife | — | Wisconsin |
| 8 | Henry Demopolus | 15 | Son | — | Illinois |
| 9 | Arthur Demopolus | 13 | Son | — | Illinois |
| 10 | Ruth Demopolus | 10 | Daughter | — | Illinois |
| 11 | Dorothy Demopolus | 8 | Daughter | — | Illinois |
| 12 | Peter Demopolus | 5 | Son | — | Illinois |
| 13 | George Demopolus | 1 | Son | — | Illinois |
| 14 | James Curran | 29 | Head | Helper | Ireland |
| 15 | Nellie Curran | 31 | Wife | — | Ireland |
| 16 | Julia Curran | 1 | Daughter | — | Illinois |
| 17 | Joseph Curran | 0 | Son | — | Illinois |
| 18 | Frank Toman | 35 | Head | Laborer | Poland |
| 19 | Rose Toman | 26 | Wife | Store Keeper | Illinois |
| 20 | Marion Toman | 6 | Son | — | Illinois |
| 21 | Charles Toman | 4 | Son | — | Illinois |
| 22 | Frances Patechek | 60 | Head | — | Germany |
| 23 | John Patechek | 34 | Son | Machine | Illinois |
| 24 | Anton Patechek | 24 | Son | Assembler | Illinois |
| 25 | Harriet Patechek | 22 | Daughter | Clerk | Illinois |
| 26 | Stanley Patechek | 20 | Son | Salesman | Illinois |
| 27 | Joseph Patechek | 30 | Son | Stockman | Illinois |
| 28 | Wojciech Tuman | 37 | Head | Laborer | Poland |
| 29 | Mary Tuman | 38 | Wife | — | Poland |
| 30 | Helen Tuman | 19 | Daughter | Waitress | Illinois |
| 31 | Frank Tuman | 17 | Son | Office | Illinois |
| 32 | Alex Tuman | 13 | Son | — | Illinois |
| 33 | Bernice Tuman | 11 | Daughter | — | Illinois |
| 34 | Henry Tuman | 9 | Son | — | Illinois |
| 35 | John Tuman | 6 | Son | — | Illinois |
| 36 | Walter Tuman | 6 | Son | — | Illinois |
| 37 | Theresa Tuman | 5 | Daughter | — | Illinois |
| 38 | Dorothy Tuman | 3 | Daughter | — | Illinois |
| 39 | Leo Tuman | 1 | Son | — | Illinois |
| 40 | Mary Kenney THIS PERSON | 57 | Head | — | Ireland |
| 41 | Matthew Kenney | 28 | Son | Engineer | Illinois |
| 42 | Austin Kenney | 26 | Son | Officer | Illinois |
| 43 | Thomas Kenney | 24 | Son | Tester | Illinois |
| 44 | James Kenney | 23 | Son | Laborer | Illinois |
| 45 | Mary T. Kenney | 21 | Daughter | Stenographer | Illinois |
| 46 | Daniel Kenney | 17 | Son | — | Illinois |
| 47 | John P. Leonard | 48 | Head | Laborer | Illinois |
| 48 | Catherine Leonard | 54 | Sister | Dressmaking | Illinois |
| 49 | James Lindensmith | 30 | Head | Conductor | Kansas |
| 50 | Marcella Lindensmith | 24 | Wife | — | Illinois |
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)