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Mary Bentley — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Bentley across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 5-person household.
Age 54
b. ~1876
Female
Head
Born: Illinois
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Bentley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1876 |
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 |
|---|---|---|---|---|
| Geo Bentley | Son | — | 14 | ~1916 |
| John Bentley | Son | — | 12 | ~1918 |
| Mary Bentley | Daughter | — | 23 | ~1907 |
| Wm Bentley | Son | — | 10 | ~1920 |
| Mary Bentley | Head | — | 54 | ~1876 |
Census Appearances
1930
Cook, Illinois
Head, age 54
Cook, Illinois · implied b. ~1876 — 5 household members
| Surname | Bentley |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| Father's Birthplace | Canada Eng |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 45 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Other, age 67
Cook-County, Illinois · implied b. ~1873 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | BENTLEY |
| Given Name | MARY |
| Relationship to Head | SISTER |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | ILLINOIS |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Industry | NONE |
| Class of Worker | 0 |
| Highest Grade | 8 |
| 1935 Residence | SAME HOUSE |
| 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 Bentley across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bentley
Head · 1930 · age 54 · b. ~1876 · 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:illinoiscensus00reel487:0841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Casimir Krzyalyniak | 32 | Head | Clerk | Poland |
| 2 | Mary Krzyalyniak | 14 | Daughter | None | Illinois |
| 3 | Anton Krzyalyniak | 12 | Son | None | Illinois |
| 4 | Doris Krzyalyniak | 10 | Daughter | None | Illinois |
| 5 | Joan Krzyalyniak | 8 | Daughter | None | Illinois |
| 6 | Frank Marchak | 32 | Head | Barber | Poland |
| 7 | Mary Marchak | 26 | Wife | None | Illinois |
| 8 | Mildred Marchak | 2 | Daughter | None | Illinois |
| 9 | John Larkant | 52 | Head | Labor | Hungary |
| 10 | Mary Larkant | 46 | Wife | None | Hungary |
| 11 | John Jr. Larkant | 24 | Son | None | Illinois |
| 12 | Steve Larkant | 21 | Son | Bus Man | Illinois |
| 13 | Andrew Larkant | 17 | Son | None | Illinois |
| 14 | Anna Larkant | 15 | Daughter | None | Illinois |
| 15 | Leo Spies | 52 | Head | Pattern Maker | Germany |
| 16 | David Hannon | 25 | Head | Pattern Maker | Massachusetts |
| 17 | Helen Hannon | 19 | Wife | None | Illinois |
| 18 | Mary Hannon | 2 | Daughter | None | Illinois |
| 19 | Louis Ratner | 44 | Head | Paper Stand | Russia |
| 20 | Esther Ratner | 36 | Wife | None | Russia |
| 21 | Myron Ratner | 9 | Son | None | Illinois |
| 22 | Edna Ratner | 1 | Daughter | None | Illinois |
| 23 | Herman Rothman | 36 | Head | Tailor | Russia |
| 24 | Edith Rothman | 30 | Wife | None | Russia |
| 25 | Robert Rothman | 8 | Son | None | Illinois |
| 26 | Marvin Rothman | 2 | Son | None | Illinois |
| 27 | Edward Haskin | 28 | Head | Salesman | Iowa |
| 28 | Mable Haskin | 28 | Wife | None | Nevada |
| 29 | Ronald Haskin | 8 | Son | None | Iowa |
| 30 | Lester Haskin | 6 | Son | None | Iowa |
| 31 | Shirley Haskin | 4 | Daughter | None | Iowa |
| 32 | Edward Jr. Haskin | 2 | Son | None | Illinois |
| 33 | Geo. Trimble | 34 | Head | Metal Finisher | Iowa |
| 34 | Louis Trimble | 24 | Wife | None | Iowa |
| 35 | Murdock Beaton | 31 | Head | Labor | Scotland |
| 36 | Mary Beaton | 27 | Wife | None | Ireland |
| 37 | Murdock Beaton | 0 | Son | None | Illinois |
| 38 | Alex Macleod | 44 | Boarder | Stone Cutter | Scotland |
| 39 | Thomas Gavin | 63 | Head | Oiler | Ireland |
| 40 | Winifred Gavin | 58 | Wife | None | Ireland |
| 41 | Catherine Gavin | 22 | Daughter | Clerk | Illinois |
| 42 | John Murphy | 50 | Boarder | Freight Hand | Ireland |
| 43 | Ralph Shelton | 48 | Head | Salesman | Wisconsin |
| 44 | Adelle Shelton | 38 | Wife | None | Iowa |
| 45 | Dorothy Shelton | 3 | Daughter | None | Illinois |
| 46 | Mary Bentley THIS PERSON | 54 | Head | None | Illinois |
| 47 | Mary Bentley | 23 | Daughter | None | Illinois |
| 48 | Geo. Bentley | 14 | Son | None | Illinois |
| 49 | John Bentley | 12 | Son | None | Illinois |
| 50 | Wm. Bentley | 10 | Son | None | 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)