MV
Mary Vance — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Vance across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Vance |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Some house |
| Additional Details | |
| Occupation | Seamstress |
| Industry | Retail Department store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 434 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Seamstress |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Ann Vance | Daughter | — | 15 | ~1925 |
| Louis Vance | Head | — | 45 | ~1895 |
| Florence Vance | Daughter | — | 7 | ~1933 |
| Mary Vance | Daughter | — | 22 | ~1918 |
| Joseph Vance | Son | — | 12 | ~1928 |
| Grace Vance | Daughter | — | 13 | ~1927 |
| Victoria Vance | Daughter | — | 17 | ~1923 |
| Helen Vance | Spouse | — | 46 | ~1894 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 12
Wayne, Michigan · implied b. ~1918 — 17 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vancu |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Roumania |
| Mother's Birthplace | Roumania |
| 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 — 8 household members
| Surname | Vance |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Some house |
| 1935 Residence (County) | Some house |
| Occupation | Seamstress |
| Industry | Retail Department store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 434 |
| 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 Vance across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Vance
Daughter · 1940 · age 22 · b. ~1918 · Michigan
★ You are viewing this record
Sibling
Florence Vance
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Vance
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Vance
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Victoria Vance
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Vance
Sibling · 1940 · age 12
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-t0627-01854-00410)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard Quetzock | 17 | Son | New Worker | Michigan |
| 42 | Gertrude Quetzock | 15 | Daughter | — | Michigan |
| 43 | Anthony Quetzock | 10 | Son | — | Michigan |
| 44 | Edwin Quetzock | 7 | Son | — | Michigan |
| 45 | John Sanford | 36 | Head | Gas Station Attendant | Georgia |
| 46 | Eva R. Sanford | 33 | Wife | — | Georgia |
| 47 | Nathaniel Clark | 19 | Lodger | Truck Driver | Georgia |
| 48 | Carrie Clark | 19 | Lodger | — | Georgia |
| 49 | Wesley Walker | 41 | Head | Foundry | Tennessee |
| 50 | Viola R. Walker | 34 | Wife | — | Florida |
| 51 | Nettinae Walker | 8 | Daughter | — | Michigan |
| 52 | — | None | — | — | — |
| 53 | Paul B. Artopan | 62 | Head | Street Cleaner | Yugoslavia |
| 54 | Amelia Artopan | 62 | Wife | — | Yugoslavia |
| 55 | Albert Artopan | 19 | Son | Dress Maker | Michigan |
| 56 | Angelo Custorielli | 47 | Head | Laborer | Italy |
| 57 | Eda R. Custorielli | 39 | Wife | — | Italy |
| 58 | Lucadia Custorielli | 9 | Son | — | Michigan |
| 59 | Louis Usel | 38 | Lodger | Laborer | Italy |
| 60 | Louis Vance | 45 | Head | Forge | Roumania |
| 61 | Helen Vance | 46 | Wife | — | Roumania |
| 62 | Mary Vance THIS PERSON | 22 | Daughter | Seamstress | Michigan |
| 63 | Victoria B. Vance | 17 | Daughter | — | Michigan |
| 64 | Ann Vance | 15 | Daughter | — | Michigan |
| 65 | Grace Vance | 13 | Daughter | — | Michigan |
| 66 | Joseph Vance | 12 | Son | — | Michigan |
| 67 | Florence Vance | 7 | Daughter | — | Michigan |
| 68 | Gregory Papp | 32 | Head | Draftsman | Pennsylvania |
| 69 | Sophia Papp | 25 | Daughter | General Office | Michigan |
| 70 | Hayworth Patterson | 40 | Head | Coalman | South Carolina |
| 71 | Lillie R. Patterson | 38 | Wife | — | South Carolina |
| 72 | Lelia Patterson | 20 | Daughter | New Worker | South Carolina |
| 73 | Louise Patterson | 18 | Daughter | New Worker | South Carolina |
| 74 | Willie Patterson | 16 | Son | — | South Carolina |
| 75 | Almo Patterson | 13 | Daughter | — | Michigan |
| 76 | Ellahue Patterson | 6 | Son | — | Michigan |
| 77 | Howard Patterson | 3 | Son | — | Michigan |
| 78 | Thomas Anderson | 55 | Head | Janitor | Georgia |
| 79 | Alma Anderson | 54 | Wife | — | Georgia |
| 80 | Roosevelt Hillhouse | 32 | Head | Grinder | Alabama |
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)