MS
Mary Snider — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ottawa-County, Ohio
Our Model Tree links this Mary Snider across the 1930 and 1940 US Censuses in Ottawa-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 5-person household.
Age 16
b. ~1924
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ottawa-County, Ohio |
| Surname | Snider |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Erie |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Erie |
| Est. Birth Year | ~1924 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Snider | Daughter | — | 16 | ~1924 |
| Dorothea Snider | Spouse | — | 46 | ~1894 |
| Wilbur Snider | Son | — | 18 | ~1922 |
| Barbara Snider | Daughter | — | 6 | ~1934 |
| Clifford Snider | Head | — | 49 | ~1891 |
Census Appearances
1930
Ottawa, Ohio
Daughter, age 5
Ottawa, Ohio · implied b. ~1925 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snider |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Ottawa-County, Ohio
Daughter, age 16
Ottawa-County, Ohio · implied b. ~1924 — 5 household members
| Surname | Snider |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Erie |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 16 · b. ~1924 · Ohio
★ You are viewing this record
Sibling
Wilbur Snider
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Snider
Sibling · 1940 · age 6
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 — Ottawa-County, Ohio
Open full size
1940 US Federal Census — Ottawa-County, Ohio
Page Contents
26 people indexed on this census page (nara:1940:m-t0627-03125-00354)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Janice Ann St. Claire | 2 | Daughter | — | Ohio |
| 42 | Evelyn M Tatteau | 43 | Head | Proprietor | Ohio |
| 43 | John H Chambers | 34 | Head | Proprietor | Pennsylvania |
| 44 | Bernice E Chambers | 32 | Wife | Saleslady | Texas |
| 45 | John L Chambers | 11 | Son | — | Ohio |
| 46 | James H Chambers | 6 | Son | — | Ohio |
| 47 | Jerry F Lake | 49 | Head | Farmer | Ohio |
| 48 | Ella M Lake | 48 | Wife | — | Ohio |
| 49 | Earl F Lake | 17 | Son | — | Ohio |
| 50 | David J Humphrey | 37 | Head | Farmer | Ohio |
| 51 | Inez G Humphrey | 39 | Wife | — | Ohio |
| 52 | Willard L Humphrey | 13 | Son | — | Ohio |
| 53 | Marvin R Humphrey | 12 | Son | — | Ohio |
| 54 | Genevieve Humphrey | 10 | Daughter | — | Ohio |
| 55 | Donald S Humphrey | 1 | Son | — | Ohio |
| 56 | Clifford Snider | 49 | Head | Farmer | Ohio |
| 57 | Dorothea Snider | 46 | Wife | — | Ohio |
| 58 | Wilbur Snider | 18 | Son | — | Ohio |
| 59 | Mary Snider THIS PERSON | 16 | Daughter | — | Ohio |
| 60 | Barbara Snider | 6 | Daughter | — | Ohio |
| 61 | Harley D Whiting | 32 | Head | Laborer | Ohio |
| 62 | Dorothy Whiting | 36 | Wife | — | Ohio |
| 63 | John E Whiting | 15 | Son | — | Ohio |
| 64 | Stanley L Whiting | 13 | Son | — | Ohio |
| 65 | Lois M Whiting | 3 | Daughter | — | Ohio |
| 66 | Lucy A Van Rensselaer | 76 | Mother | — | Ohio |
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)