MS
Mary Simon — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Simon across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Frank & George — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Simon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frank Malaric | Head | — | 67 | ~1873 |
| Mitchell Simon | Other | — | 25 | ~1915 |
| Mary Simon | Daughter | — | 22 | ~1918 |
| August Malaric | Son | — | 34 | ~1906 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 1
Wayne, Michigan · implied b. ~1919 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Daughter, age 12
Wayne, Michigan · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 22
Wayne-County, Michigan · implied b. ~1918 — 4 household members
| Surname | Simon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Class of Worker | 0 |
| Highest Grade | Hs 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 Simon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Malaric (~0.92 confidence) and father George Simon (~0.92 confidence) and father John Simon (~0.92 confidence) and mother Mary Simon (~0.92 confidence) and mother Mary Simon (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Malaric
b. ~1873
Source father
● Household
· direct · ~0.92
Father
George Simon
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Simon
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Mary Simon
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Mary Simon
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Simon
Daughter · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
August Malaric
Sibling · 1940 · age 34
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01854-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Clifton | 47 | Mother-in-law | — | Mississippi |
| 2 | Frank Malaric | 67 | Head | — | Austria |
| 3 | August Malaric | 34 | Son | Trimmer | Austria |
| 4 | Mitchell Simon | 25 | Son-in-law | Laborer | Connecticut |
| 5 | Mary Simon THIS PERSON | 22 | Daughter | — | Michigan |
| 6 | Henry Thomas | 36 | Head | Laborer | Georgia |
| 7 | Susie Thomas | 37 | Wife | — | Georgia |
| 8 | Sallie Gilliam | 65 | Head | — | South Carolina |
| 9 | Reuben Buffington | 63 | Head | Laborer | Kansas |
| 10 | Minnie Buffington | 58 | Wife | — | Tennessee |
| 11 | Reulene Buffington | 4 | Son | — | Michigan |
| 12 | Garland Jenkins | 21 | Step-son | Bakery Worker | Tennessee |
| 13 | James Jenkins | 15 | Step-son | New Worker | Michigan |
| 14 | Mildred Jenkins | 12 | Step-daughter | — | Michigan |
| 15 | Mary Jenkins | 9 | Step-daughter | — | Michigan |
| 16 | Henry Jenkins | 8 | Step-son | — | Michigan |
| 17 | Minnie Lowe | 56 | Mother-in-law | — | Tennessee |
| 18 | Leonard Musall | 38 | Head | Asst Foreman | Michigan |
| 19 | Josephine Musall | 35 | Wife | — | Poland |
| 20 | Leonard Jr. Musall | 13 | Son | — | Michigan |
| 21 | Richard Musall | 11 | Son | — | Michigan |
| 22 | Marceline Musall | 10 | Daughter | — | Michigan |
| 23 | David Nowicki | 37 | Head | Laborer | Michigan |
| 24 | Elizabeth Nowicki | 37 | Wife | — | Michigan |
| 25 | David Jr. Nowicki | 9 | Son | — | Michigan |
| 26 | Norman Nowicki | 7 | Son | — | Michigan |
| 27 | Gerald Nowicki | 7 | Son | — | Michigan |
| 28 | William Nowicki | 5 | Son | — | Michigan |
| 29 | Chester Stanazak | 20 | Step-son | Truck Driver | Michigan |
| 30 | Howard Stanazak | 19 | Step-son | Laborer | Michigan |
| 31 | Robert Stanazak | 16 | Step-son | New Worker | Michigan |
| 32 | Walter Stanazak | 13 | Step-son | — | Michigan |
| 33 | Walter Blaszak | 52 | Head | Shoe-Maker | Poland |
| 34 | Helen Blaszak | 42 | Wife | — | Poland |
| 35 | Anna Blaszak | 21 | Daughter | Seamstress | Michigan |
| 36 | Lottie Blaszak | 13 | Daughter | — | Michigan |
| 37 | Helen Blaszak | 11 | Daughter | — | Michigan |
| 38 | Bernice Blaszak | 7 | Daughter | — | Michigan |
| 39 | Rosie Westbrook | 52 | Head | — | Georgia |
| 40 | Leroy Westbrook | 13 | Son | — | Michigan |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 5 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)