MS
Mary Snider — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Mary Snider across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Snider |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Joseph Snider | Head | — | 43 | ~1897 |
| Geraldine Snider | Daughter | — | 13 | ~1927 |
| Anna Snider | Spouse | — | 44 | ~1896 |
| Jo Snider | Daughter | — | 12 | ~1928 |
| Mary Snider | Daughter | — | 17 | ~1923 |
| Patricia Snider | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Wayne, Michigan
Daughter, age 7
Wayne, Michigan · implied b. ~1923 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snider |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Daughter, age 17
Wayne-County, Michigan · implied b. ~1923 — 6 household members
| Surname | Snider |
| Given Name | Mary Jane |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Class of Worker | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same house |
| 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 Snider across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Snider
Daughter · 1940 · age 17 · b. ~1923 · Michigan
★ You are viewing this record
Sibling
Patricia Snider
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Snider
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jo Snider
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-t0627-01883-00379)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Keisey | 15 | daughter | — | Michigan |
| 42 | Joseph Snider | 43 | Head | Traffic Supervisor | Ohio |
| 43 | Anna Snider | 44 | Wife | — | Michigan |
| 44 | Mary Jane Snider THIS PERSON | 17 | daughter | — | Michigan |
| 45 | Geraldine Snider | 13 | daughter | — | Michigan |
| 46 | Jo Ann Snider | 12 | daughter | — | Michigan |
| 47 | Patricia Snider | 9 | daughter | — | Michigan |
| 48 | Ralph Mcmillen | 35 | Head | Toolmaker | Michigan |
| 49 | Delores Mcmillen | 24 | Wife | — | Michigan |
| 50 | Ambrose Kronkhelmer | 38 | Head | Insurance Representative | Michigan |
| 51 | Marie Kronkhelmer | 32 | Wife | — | Pennsylvania |
| 52 | Raymond Kronkhelmer | 14 | son | — | Michigan |
| 53 | Frank Lomevico | 49 | Head | Waiter | Italy |
| 54 | Rachele Lomevico | 44 | Wife | — | Italy |
| 55 | Margaret Lomevico | 10 | daughter | — | Italy |
| 56 | Diego Yelpo | 47 | Head | Laborer Wpa | Italy |
| 57 | Frances Yelpo | 56 | Wife | — | Italy |
| 58 | James Yelpo | 24 | son | New Worker | Michigan |
| 59 | James Bussalto | 86 | Father-in-law | — | Italy |
| 60 | John Fleming | 47 | Head | Owner | Kentucky |
| 61 | Harriette Fleming | 29 | Wife | — | Michigan |
| 62 | Joan Fleming | 4 | daughter | — | Michigan |
| 63 | John Fleming | 1 | son | — | Michigan |
| 64 | Martin Koch | 48 | Head | Manager | Michigan |
| 65 | Phoebe Koch | 47 | Wife | — | Michigan |
| 66 | Helen Koch | 19 | daughter | — | Michigan |
| 67 | Edwin Koch | 18 | son | Helper | Michigan |
| 68 | Donald Koch | 16 | son | — | Michigan |
| 69 | Marguerite Koch | 12 | daughter | — | Michigan |
| 70 | James Koch | 11 | son | — | Michigan |
| 71 | Rose Marie Koch | 9 | daughter | — | Michigan |
| 72 | Betty Jane Koch | 9 | daughter | — | Michigan |
| 73 | Jo Ann Koch | 7 | daughter | — | Michigan |
| 74 | Peter Saad | 43 | Head | Grocery Salesman | Syria |
| 75 | Margaret Saad | 28 | Wife | — | New York |
| 76 | Elizabeth Saad | 15 | daughter | — | Michigan |
| 77 | Philip Zine | 31 | Brother-in-law | Laborer | New York |
| 78 | Antony Jacob | 56 | Head | Manager | Syria |
| 79 | Sadie Jacob | 43 | Wife | — | Syria |
| 80 | Mary Jacob | 20 | daughter | Bookkeeper | Michigan |
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)