MP
Mary Powers — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Powers across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1896), then head of a 6-person household.
Age 44
b. ~1896
Female
Spouse
Born: Greece
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Greece |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
| Township / Ward | Chicago |
| Est. Birth Year | ~1896 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Georgia Powers | Daughter | — | 17 | ~1923 |
| Bessy Powers | Daughter | — | 14 | ~1926 |
| Jenny Powers | Daughter | — | 20 | ~1920 |
| Nick Powers | Head | — | 52 | ~1888 |
| George Powers | Son | — | 11 | ~1929 |
| Mary Powers | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Cook, Illinois
Spouse, age 25
Cook, Illinois · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Marie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Greece |
| Year of Immigration | 1914 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Greece |
| Mother's Birthplace | Greece |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | Greek |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
1930
Cook, Illinois
Spouse, age 32
Cook, Illinois · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Greece |
| Naturalization Status | Alien |
| Year of Immigration | 1914 |
| Age at First Marriage | 16 |
| Father's Birthplace | Greece |
| Mother's Birthplace | Greece |
| Can Read/Write | Yes |
| Mother Tongue | Greek |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
1940
Cook-County, Illinois
Spouse, age 44
Cook-County, Illinois · implied b. ~1896 — 6 household members
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Greece |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth Country | Greece |
| Birthplace (normalized) | greece |
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 Powers across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Powers
Spouse · 1940 · age 44 · b. ~1896 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00961-00017)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Petrohelas | 50 | Head | Barber | Greece |
| 2 | George Petrohelas | 19 | Son | New Worker | Illinois |
| 3 | Bill Petrohelas | 53 | Brother | Clerk | Greece |
| 4 | Arthur Nolo | 56 | Head | Engineer | Greece |
| 5 | Peter Anageros | 35 | Roomer | Repairman | Greece |
| 6 | George Kostas | 60 | Roomer | Machinist | Greece |
| 7 | Sam Halas | 45 | Roomer | Peddler | Greece |
| 8 | Peter Malakates | 59 | Head | Bookkeeper | Greece |
| 9 | Hazel Malakates | 42 | Wife | — | Illinois |
| 10 | Delores Malakates | 18 | Daughter | — | Illinois |
| 11 | Lorane Malakates | 15 | Daughter | — | Illinois |
| 12 | Tom Delaganis | 57 | Roomer | Coffee Blender | Greece |
| 13 | George Paris | 48 | Head | Salesman | Greece |
| 14 | Angeline Paris | 30 | Wife | — | Illinois |
| 15 | Rosaline Paris | 13 | Daughter | — | Illinois |
| 16 | Helen Paris | 12 | Daughter | — | Illinois |
| 17 | Gabriel Matos | 30 | Head | — | Greece |
| 18 | Mike Kallas | 46 | Lodger | — | Greece |
| 19 | Steve Bibounis | 57 | Lodger | Laborer | Greece |
| 20 | Gust Politis | 56 | Head | Shipping Clerk | Greece |
| 21 | Elaine Politis | 50 | Wife | — | Greece |
| 22 | Lucas Politis | 22 | Son | Dentist | Illinois |
| 23 | Nick Powers | 52 | Head | Laborer | Greece |
| 24 | Mary Powers THIS PERSON | 44 | Wife | — | Greece |
| 25 | Jenny Powers | 20 | Daughter | New Worker | Illinois |
| 26 | Georgia Powers | 17 | Daughter | — | Illinois |
| 27 | Bessy Powers | 14 | Daughter | — | Illinois |
| 28 | George Powers | 11 | Son | — | Illinois |
| 29 | Nick Poulos | 50 | Head | Waiter | Greece |
| 30 | Joanna Poulos | 45 | Wife | — | Greece |
| 31 | Dan Poulos | 17 | Son | — | Illinois |
| 32 | Mary Poulos | 13 | Daughter | — | Illinois |
| 33 | Jim Poulos | 11 | Son | — | Illinois |
| 34 | Bessy Poulos | 10 | Daughter | — | Illinois |
| 35 | Platon Kokolas | 60 | Head | Proprietor | Greece |
| 36 | Andrew Monekos | 43 | Nephew | Laborer | Greece |
| 37 | Spiros Poulos | 22 | Nephew | Waiter | Greece |
| 38 | Anastas Zefiratos | 59 | Head | Barber | Greece |
| 39 | Kalliopi Zefiratos | 41 | Wife | — | Greece |
| 40 | Jim Zefiratos | 21 | Son | Instructor | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)