MH
Mary Heller — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Heller across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 6-person household.
Age 41
b. ~1889
Female
Head
Born: Germany
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Heller |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Clerk |
| Est. Birth Year | ~1889 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| James Heller | Son | — | 12 | ~1918 |
| Lester Heller | Son | — | 5 | ~1925 |
| Mary Heller | Head | — | 41 | ~1889 |
| Alice Heller | Daughter | — | 20 | ~1910 |
| Ethel Heller | Daughter | — | 17 | ~1913 |
| Dorothy Heller | Daughter | — | 3 | ~1927 |
Census Appearances
1930
St Louis, …
Head, age 41
St Louis, Missouri · implied b. ~1889 — 6 household members
| Surname | Heller |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1893 |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Radio Set | R |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
St.-Louis-City-County, Missouri
Spouse, age 53
St.-Louis-City-County, Missouri · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hiller |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | St. Louis |
| 1935 Residence (County) | St. Louis |
| Naturalization Status | Naturalized |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Heller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Heller
Head · 1930 · age 41 · b. ~1889 · 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:missouricensus00reel1227:0788)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert Marlin | 37 | Head | Stock Filler | Missouri |
| 52 | Mildred Marlin | 30 | Wife | — | Missouri |
| 53 | Mildred Marlin | 17 | Daughter | Stenographer | Missouri |
| 54 | Virginia Marlin | 14 | Daughter | — | Missouri |
| 55 | Louis Joudra | 78 | Head | — | Germany |
| 56 | Frances Joudra | 72 | Wife | — | Missouri |
| 57 | Louis Jr. Joudra | 37 | Son | Painter | Missouri |
| 58 | Reuben R. Cooper | 50 | Head | Supervisor | Missouri |
| 59 | Margaret Cooper | 39 | Wife | — | England |
| 60 | Martha Cooper | 22 | Daughter | Stenographer | Missouri |
| 61 | Ruth Cooper | 18 | Daughter | Clerk | Missouri |
| 62 | Andrew Cooper | 14 | Son | — | Missouri |
| 63 | Charles Cooper | 51 | Brother | Foreman | Missouri |
| 64 | Mary Heller THIS PERSON | 41 | Head | Clerk | Germany |
| 65 | Alice Heller | 20 | Daughter | — | Missouri |
| 66 | Ethel Heller | 17 | Daughter | Comptometer | Missouri |
| 67 | James Heller | 12 | Son | — | Missouri |
| 68 | Lester Heller | 5 | Son | — | Missouri |
| 69 | Dorothy Heller | 3 | Daughter | — | Missouri |
| 70 | Walter Grunewald | 27 | Head | Clerk | Missouri |
| 71 | Viola Grunewald | 22 | Wife | — | Missouri |
| 72 | Walter Jr. Grunewald | 1 | Son | — | Missouri |
| 73 | Roland Grunewald | 0 | Son | — | Missouri |
| 74 | Walter Hennens | 34 | Head | Sales Helper | Missouri |
| 75 | Anna Hennens | 33 | Wife | — | Missouri |
| 76 | George Lossacker | 52 | Head | Manager | Germany |
| 77 | Elizabeth Lossacker | 52 | Wife | — | Missouri |
| 78 | Alphonse Friedrich | 33 | Head | Barber | Missouri |
| 79 | Emma Friedrich | 28 | Wife | — | Switzerland |
| 80 | Margaret Friedrich | 7 | Daughter | — | Missouri |
| 81 | Alphonse Jr. Friedrich | 6 | Son | — | Missouri |
| 82 | Robert Friedrich | 2 | Son | — | Missouri |
| 83 | James Stovall | 36 | Head | Bookkeeper | Missouri |
| 84 | Margaret Stovall | 33 | Wife | — | Missouri |
| 85 | Barbara Stovall | 9 | Daughter | — | Missouri |
| 86 | William Spengler | 36 | Head | Asst. Manager | Missouri |
| 87 | Nellie Spengler | 34 | Wife | Stenographer | Kansas |
| 88 | Genevieve Marlin | 14 | Daughter | — | Illinois |
| 89 | Sophie Marlin | 11 | Daughter | — | Illinois |
| 90 | Mary Marlin | 75 | Head | — | Missouri |
| 91 | Anthony Bass | 43 | Head | Foreman | Missouri |
| 92 | Mary Bass | 40 | Wife | — | Missouri |
| 93 | Luke Bass | 21 | Son | — | Missouri |
| 94 | Harold Bass | 20 | Son | Asst. Manager | Missouri |
| 95 | Esther Bass | 16 | Daughter | — | Missouri |
| 96 | Bernice Bass | 13 | Daughter | — | Missouri |
| 97 | Bernadine Bass | 12 | Daughter | — | Missouri |
| 98 | Henry Liesch | 70 | Head | Janitor | Illinois |
| 99 | Mary Liesch | 65 | Wife | — | Illinois |
| 100 | Henry Liesch | 33 | Son | Machinist | 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)