MR
Mary Roach — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Roach across the 1920 and 1930 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 10-person household.
Age 37
b. ~1893
Female
Spouse
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1893 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Roach | Daughter | — | 3 | ~1927 |
| Gertrude Roach | Daughter | — | 11 | ~1919 |
| William Roach | Head | — | 38 | ~1892 |
| Bernard Roach | Son | — | 5 | ~1925 |
| Vernon Roach | Son | — | 7 | ~1923 |
| William Roach | Son | — | 9 | ~1921 |
| James Roach | Son | — | 15 | ~1915 |
| Donald Roach | Son | — | 1 | ~1929 |
| Vincent Roach | Son | — | 13 | ~1917 |
| Mary Roach | Spouse | — | 37 | ~1893 |
Census Appearances
1920
St Louis, …
Spouse, age 26
St Louis, Missouri · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Collector |
| Industry | Tel Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Spouse, age 37
St Louis, Missouri · implied b. ~1893 — 10 household members
| Surname | Roach |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| 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 Roach across 2 US Census years (1920 and 1930) in St Louis, Missouri, using XGBoost record linkage.
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This person
Anchor record
Mary Roach
Spouse · 1930 · age 37 · b. ~1893 · 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:missouricensus00reel1229:0331)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Max Stein | 56 | Head | Cabinet Maker | Russia |
| 2 | Fannie Stein | 52 | Wife | — | Russia |
| 3 | David Stein | 28 | Son | Bookkeeper | Russia |
| 4 | Ben Stein | 19 | Son | — | Missouri |
| 5 | Katherine Murphy | 55 | Head | — | Missouri |
| 6 | Bessie Murphy | 15 | Daughter | — | Missouri |
| 7 | Emmett Murphy | 12 | Nephew | — | Missouri |
| 8 | David Neidel | 36 | Head | Tailor | Russia |
| 9 | Yetta Neidel | 32 | Wife | — | Russia |
| 10 | Bertha Neidel | 11 | Daughter | — | Missouri |
| 11 | Rose Neidel | 10 | Daughter | — | Missouri |
| 12 | Max Neidel | 8 | Son | — | Missouri |
| 13 | Ida Neidel | 2 | Daughter | — | Missouri |
| 14 | Samuel Neidel | 1 | Son | — | Missouri |
| 15 | William Roach | 38 | Head | Cutter | Missouri |
| 16 | Mary Roach THIS PERSON | 37 | Wife | — | Missouri |
| 17 | James Roach | 15 | Son | — | Missouri |
| 18 | Vincent Roach | 13 | Son | — | Missouri |
| 19 | Gertrude Roach | 11 | Daughter | — | Missouri |
| 20 | William Roach | 9 | Son | — | Missouri |
| 21 | Vernon Roach | 7 | Son | — | Missouri |
| 22 | Bernard Roach | 5 | Son | — | Missouri |
| 23 | Mary Jane Roach | 3 | Daughter | — | Missouri |
| 24 | Donald Roach | 1 | Son | — | Missouri |
| 25 | Jennie Smith | 61 | Head | — | Illinois |
| 26 | Ellis Smith | 35 | Son | Gardner | Illinois |
| 27 | Bridget Murray | 57 | Head | Cutter | Irish Free State |
| 28 | Russell Murray | 16 | Son | Electrician | Illinois |
| 29 | John Arslin | 34 | Head | Nailer | Missouri |
| 30 | Mary Arslin | 31 | Wife | — | Missouri |
| 31 | Cora Arslin | 1 | Daughter | — | Missouri |
| 32 | Lee Cremer | 39 | Head | Presser | Missouri |
| 33 | Lillie Cremer | 38 | Wife | — | Illinois |
| 34 | William Appleau | 39 | Head | Chauffeur | Missouri |
| 35 | Mary Appleau | 37 | Wife | — | Missouri |
| 36 | Doris Appleau | 15 | Daughter | — | Missouri |
| 37 | Lillian Appleau | 14 | Daughter | — | Missouri |
| 38 | William Appleau | 12 | Son | — | Missouri |
| 39 | Geraldine Appleau | 10 | Daughter | — | Missouri |
| 40 | Mary Appleau | 8 | Daughter | — | Missouri |
| 41 | Arline Appleau | 6 | Daughter | — | Missouri |
| 42 | Julia Appleau | 4 | Daughter | — | Missouri |
| 43 | Barbara Appleau | 2 | Daughter | — | Missouri |
| 44 | Lillian Appleau | 0 | Daughter | — | Missouri |
| 45 | William Interholz | 42 | Head | Laborer | Missouri |
| 46 | Mary Interholz | 41 | Wife | — | Missouri |
| 47 | Elva Interholz | 11 | Daughter | Examiner | Missouri |
| 48 | Edna Interholz | 9 | Daughter | — | Missouri |
| 49 | Bernice Interholz | 7 | Daughter | — | Missouri |
| 50 | Mary Tabachik | 75 | Mother-in-law | — | Austria |
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)