MS
Mary Stevenson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Mary Stevenson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Abbott & Emmett — first a daughter (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Stevenson |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Evanston City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Public Clerk |
| Industry | Utilities |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 665 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Public Clerk |
| Township / Ward | Evanston City |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Keith Stevenson | Son | — | 18 | ~1922 |
| Margaret Stevenson | Head | — | 47 | ~1893 |
| Mary Stevenson | Daughter | — | 23 | ~1917 |
Census Appearances
1920
Cook, Illinois
Daughter, age 3
Cook, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Kansas |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Cook, Illinois
Daughter, age 13
Cook, Illinois · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stevenson |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Cook-County, Illinois
Daughter, age 23
Cook-County, Illinois · implied b. ~1917 — 3 household members
| Surname | Stevenson |
| Given Name | Mary M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Evanston City |
| 1935 Residence (County) | Cook |
| Occupation | Public Clerk |
| Industry | Utilities |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 665 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Stevenson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Abbott Stevenson (~0.92 confidence) and father Emmett Stevenson (~0.92 confidence) and mother Margaret Stevenson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Abbott Stevenson
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Emmett Stevenson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Stevenson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Stevenson
Daughter · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Keith Stevenson
Sibling · 1940 · age 18
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
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-t0627-00778-00551)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Sass | 43 | Head | Owner | France |
| 2 | Hazel Sass | 31 | Wife | — | Iowa |
| 3 | Doris Sass | 14 | Daughter | — | Illinois |
| 4 | Clarence Hebrost | 44 | Son in law | Owner | Iowa |
| 5 | Elizabeth Hebrost | 77 | Sister in law | — | Iowa |
| 6 | Paula Krichten | 34 | Head | Manager | Mississippi |
| 7 | Elizabeth Krichten | 33 | Wife | — | Mississippi |
| 8 | Paul R Krichten | 4 | Son | — | Illinois |
| 9 | Sara Ann Krichten | 2 | Daughter | — | Illinois |
| 10 | Sangum R Krichten | 0 | Son | — | Illinois |
| 11 | Margaret Stevenson | 47 | Head | Buyer | Kansas |
| 12 | Mary M Stevenson THIS PERSON | 23 | Daughter | Public Clerk | Michigan |
| 13 | Keith Stevenson | 18 | Son | Messenger | California |
| 14 | Joseph Bennett | 47 | Head | Furrier | Russia |
| 15 | Rebecca Bennett | 42 | Wife | — | Russia |
| 16 | Burnett Van Arsdall | 33 | Head | Field Representative | Kentucky |
| 17 | Lois F Van Arsdall | 34 | Wife | — | Kentucky |
| 18 | Richard J Van Arsdall | 12 | Son | — | Kentucky |
| 19 | Lee M Van Arsdall | 9 | Son | — | Kentucky |
| 20 | Richard Sherer | 35 | Head | Bookkeeper | Illinois |
| 21 | Bertha Sherer | 35 | Wife | — | Illinois |
| 22 | Lorelie Sherer | 8 | Daughter | — | Illinois |
| 23 | Audrey Sherer | 6 | Daughter | — | Illinois |
| 24 | Milton H Lowry | 36 | Head | Attendant | Pennsylvania |
| 25 | Alberta M Lowry | 75 | Mother | — | Illinois |
| 26 | Horace J Oneil | 41 | Head | Conductor | Illinois |
| 27 | Virginia D Oneil | 34 | Wife | — | Illinois |
| 28 | William Oneil | 17 | Son | Usher | Illinois |
| 29 | Virginia J Oneil | 14 | Daughter | — | Illinois |
| 30 | Baharitis Geragas | 39 | Roomer | Owner | Turkey |
| 31 | Paul J Geragas | 13 | Roomer | — | Illinois |
| 32 | Gloria Geragas | 9 | Roomer | — | Illinois |
| 33 | Ethel Liggitt | 58 | Head | — | Nebraska |
| 34 | James L Liggitt | 59 | Brother | Locomotive Engineer | Nebraska |
| 35 | Belay Gene Liggitt | 27 | Maid | Maid | Indiana |
| 36 | Max Gregor | 62 | Head | Painter And Decorator | Germany |
| 37 | Amelia Gregor | 62 | Wife | — | Illinois |
| 38 | Richard Gregor | 23 | Son | Apprentice Type Setter | Illinois |
| 39 | Gertrude Ringer | 70 | Head | — | Ohio |
| 40 | Estelle Ringer | 33 | Daughter | Nursing Teacher | Ohio |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)