MS
Mary Snyder — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Snyder across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 11-person household.
Age 32
b. ~1898
Female
Spouse
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Snyder |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 16 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis |
| Est. Birth Year | ~1898 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edward Snyder | Head | — | 38 | ~1892 |
| Lawrence Kraemer | Other | — | 26 | ~1904 |
| Thomas Smith | Other | — | 65 | ~1865 |
| Robert Snyder | Son | — | 3 | ~1927 |
| Lawrence Snyder | Son | — | 12 | ~1918 |
| William Snyder | Son | — | 8 | ~1922 |
| James Snyder | Son | — | 15 | ~1915 |
| Edward Snyder | Son | — | 12 | ~1918 |
| Michael Snyder | Son | — | 2 | ~1928 |
| Charles Snyder | Son | — | 6 | ~1924 |
| Mary Snyder | Spouse | — | 32 | ~1898 |
Census Appearances
1930
St Louis, …
Spouse, age 32
St Louis, Missouri · implied b. ~1898 — 11 household members
| Surname | Snyder |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 16 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Spouse, age 43
St.-Louis-County, Missouri · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Snyder |
| Given Name | M Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Webster Groves City |
| 1935 Residence (County) | St. Louis |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same Town |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Snyder across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Snyder
Spouse · 1930 · age 32 · b. ~1898 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1240:1130)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | L. J. Hyson | 47 | Head | — | Missouri |
| 52 | Albert L. Wallace | 26 | Head | Carpenter | Missouri |
| 53 | Agatha Wallace | 26 | Wife | None | Missouri |
| 54 | John L. Wallace | 5 | Son | None | Missouri |
| 55 | Mary Ellen Wallace | 5 | Daughter | None | Missouri |
| 56 | Shirley Ann Wallace | 2 | Daughter | None | Missouri |
| 57 | John P. Ramsey | 28 | Head | Policeman | Missouri |
| 58 | Sarah Ramsey | 28 | Wife | None | Iowa |
| 59 | John P. Jr. Ramsey | 5 | Son | None | Missouri |
| 60 | Alice Ramsey | 1 | Daughter | None | Missouri |
| 61 | Robert Ramsey | 0 | Son | None | Missouri |
| 62 | William H. Brown | 49 | Head | Jobbing | Missouri |
| 63 | Agnes E. Brown | 37 | Wife | None | Missouri |
| 64 | William T. Brown | 7 | Son | None | Missouri |
| 65 | Charles A. Ralston | 49 | Head | Salesman | Missouri |
| 66 | Fayette Ralston | 46 | Wife | None | Missouri |
| 67 | C. P. Jr. Ralston | 15 | Son | None | Missouri |
| 68 | Vivian Ralston | 13 | Daughter | None | Missouri |
| 69 | Joseph J. Trainor | 36 | Head | Fireman | Missouri |
| 70 | Robert Douglas | 54 | Head | Solicitor | New York |
| 71 | Mary Douglas | 57 | Wife | None | Missouri |
| 72 | Robert Jr. Douglas | 32 | Son | Chauffeur | Missouri |
| 73 | Martha Cook | 80 | Mother-in-law | None | Missouri |
| 74 | Martin Duggan | 36 | Head | Mail Clerk | New York |
| 75 | Cecelia Duggan | 35 | Wife | None | Missouri |
| 76 | Edward Duggan | 12 | Son | None | Missouri |
| 77 | Joseph Duggan | 10 | Son | None | Missouri |
| 78 | Martin Duggan | 8 | Son | None | Missouri |
| 79 | Theresa Duggan | 6 | Daughter | None | Missouri |
| 80 | Donald Duggan | 3 | Son | None | Missouri |
| 81 | Thomas Ormby | 63 | Head | Blacksmith | Missouri |
| 82 | Mary Ormby | 54 | Wife | None | Illinois |
| 83 | Edward Snyder | 38 | Head | Helper | Missouri |
| 84 | Mary Snyder THIS PERSON | 32 | Wife | None | Missouri |
| 85 | James R. Snyder | 15 | Son | None | Missouri |
| 86 | Lawrence Snyder | 12 | Son | None | Missouri |
| 87 | Edward Snyder | 12 | Son | None | Missouri |
| 88 | William Snyder | 8 | Son | None | Missouri |
| 89 | Charles Snyder | 6 | Son | None | Missouri |
| 90 | Robert Snyder | 3 | Son | None | Missouri |
| 91 | Michael Snyder | 2 | Son | None | Missouri |
| 92 | Lawrence Kraemer | 26 | Boarder | Clerk | Missouri |
| 93 | Thomas Smith | 65 | Boarder | Laborer | Ohio |
| 94 | Joseph Fennessy | 48 | Head | Fireman | Missouri |
| 95 | Bertha Fennessy | 47 | Wife | None | Missouri |
| 96 | Frank Ligon | 19 | Head | Salesman | Missouri |
| 97 | Marie Ligon | 17 | Wife | None | Missouri |
| 98 | Frank Jr. Ligon | 0 | Son | None | Missouri |
| 99 | Robert Ligon | 6 | Son | None | Missouri |
| 100 | Lola Grace Ligon | 4 | Daughter | None | Missouri |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)