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Mary Mackey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Mackey across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 5-person household.
Age 36
b. ~1894
Female
Spouse
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1894 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| James Mackey | Son | — | 4 | ~1926 |
| Mary Mackey | Spouse | — | 36 | ~1894 |
| Mary Mackey | Daughter | — | 2 | ~1928 |
| Ray Mackey | Head | — | 37 | ~1893 |
| Ray Mackey | Son | — | 9 | ~1921 |
Census Appearances
1930
Cook, Illinois
Spouse, age 36
Cook, Illinois · implied b. ~1894 — 5 household members
| Surname | Mackey |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland Free State |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 46
Cook-County, Illinois · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKee |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 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 Mackey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mackey
Spouse · 1930 · age 36 · b. ~1894 · 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:illinoiscensus00reel428:0358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas Gleason | 32 | Head | Conductor (Car) | Kansas |
| 52 | Anne Gleason | 32 | Wife | Office Work | Kansas |
| 53 | Thomas Gleason | 9 | Son | — | Illinois |
| 54 | James Gleason | 4 | Son | — | Illinois |
| 55 | John Gleason | 1 | Son | — | Illinois |
| 56 | George Frank | 75 | Head | — | Maryland |
| 57 | Mary Frank | 44 | Daughter | Demonstrator | Pennsylvania |
| 58 | George Frank | 36 | Son | Manager | Wisconsin |
| 59 | Helen Frank | 14 | Granddaughter | — | Illinois |
| 60 | Ray Mackey | 37 | Head | Salesman | Wisconsin |
| 61 | Mary Mackey THIS PERSON | 36 | Wife | — | Illinois |
| 62 | Ray Mackey | 9 | Son | — | Illinois |
| 63 | James Mackey | 4 | Son | — | Illinois |
| 64 | Mary Mackey | 2 | Daughter | — | Illinois |
| 65 | James Mackey | 68 | Head | Artist | Indiana |
| 66 | Mary Mackey | 57 | Wife | — | Indiana |
| 67 | James Mackey | 31 | Son | — | Indiana |
| 68 | Mary Mackey | 28 | Daughter | — | Indiana |
| 69 | James Mackey | 36 | Head | Mechanic | Scotland |
| 70 | Mary Mackey | 29 | Wife | — | Scotland |
| 71 | James Mackey | 1 | Son | — | Illinois |
| 72 | Mary Mackey | 25 | Head | — | Scotland |
| 73 | James Mackey | 31 | Wife | Engineer | Scotland |
| 74 | Mary Mackey | 60 | Head | Elevator Man | Ireland Free State |
| 75 | James Mackey | 53 | Wife | — | Illinois |
| 76 | Mary Mackey | 19 | Son | Stock Boy | Illinois |
| 77 | James Mackey | 17 | Daughter | — | Illinois |
| 78 | Mary Mackey | 36 | Head | Agent | Indiana |
| 79 | James Mackey | 31 | Wife | — | Indiana |
| 80 | Mary Mackey | 7 | Son | — | Indiana |
| 81 | James Mackey | 65 | Head | Trimming Clerk | England |
| 82 | Mary Mackey | 60 | Wife | — | England |
| 83 | James Mackey | 21 | Son | Salesman | England |
| 84 | Mary Mackey | 42 | Head | Butcher | Ireland Free State |
| 85 | James Mackey | 39 | Wife | — | Ireland Free State |
| 86 | Mary Mackey | 9 | Son | — | Illinois |
| 87 | James Mackey | 7 | Daughter | — | Illinois |
| 88 | Mary Mackey | 6 | Daughter | — | Illinois |
| 89 | James Mackey | 4 | Son | — | Illinois |
| 90 | Mary Mackey | 70 | Head | Repair Man | Germany |
| 91 | James Mackey | 71 | Wife | — | Germany |
| 92 | Mary Mackey | 44 | Daughter | Bookkeeper | Germany |
| 93 | James Mackey | 3 | Grandson | — | Illinois |
| 94 | Mary Mackey | 57 | Head | Carpenter | Scotland |
| 95 | James Mackey | 52 | Wife | — | Scotland |
| 96 | Mary Mackey | 26 | Son | Carpenter | Scotland |
| 97 | James Mackey | 23 | Daughter | Stenographer | Scotland |
| 98 | Mary Mackey | 17 | Son | — | Scotland |
| 99 | James Mackey | 43 | Head | Detective | Illinois |
| 100 | Mary Mackey | 37 | 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)