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Mary Hogan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Mary Hogan across the 1920 and 1930 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 9-person household.
Age 33
b. ~1897
Female
Spouse
Born: Missouri
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | Hogan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 19 |
| 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 | ~1897 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Hogan | Daughter | — | 11 | ~1919 |
| Catherine Hogan | Daughter | — | 1 | ~1929 |
| John Hogan | Head | — | 35 | ~1895 |
| John Hogan | Son | — | 13 | ~1917 |
| Thomas Hogan | Son | — | 3 | ~1927 |
| William Hogan | Son | — | 5 | ~1925 |
| Robert Hogan | Son | — | 7 | ~1923 |
| James Hogan | Son | — | 9 | ~1921 |
| Mary Hogan | Spouse | — | 33 | ~1897 |
Census Appearances
1920
St Louis, …
Spouse, age 21
St Louis, Missouri · implied b. ~1899 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Spouse, age 33
St Louis, Missouri · implied b. ~1897 — 9 household members
| Surname | Hogan |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 19 |
| 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 Hogan across 2 US Census years (1920 and 1930) in St Louis, Missouri, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hogan
Spouse · 1930 · age 33 · b. ~1897 · Missouri
★ You are viewing this record
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:missouricensus00reel1237:0647)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Hall | 37 | Head | Locomotive Engineer | Missouri |
| 2 | Lillian Hall | 37 | Wife | — | Missouri |
| 3 | William Jr Hall | 10 | Son | — | Missouri |
| 4 | Robert Hall | 7 | Son | — | Missouri |
| 5 | Lillian Hall | 5 | Daughter | — | Missouri |
| 6 | James Hall | 1 | Son | — | Missouri |
| 7 | John Hogan | 35 | Head | Bricklayer | Missouri |
| 8 | Mary Hogan THIS PERSON | 33 | Wife | — | Missouri |
| 9 | John Jr Hogan | 13 | Son | — | Missouri |
| 10 | Mary Hogan | 11 | Daughter | — | Missouri |
| 11 | James Hogan | 9 | Son | — | Missouri |
| 12 | Robert Hogan | 7 | Son | — | Missouri |
| 13 | William Hogan | 5 | Son | — | Missouri |
| 14 | Thomas Hogan | 3 | Son | — | Missouri |
| 15 | Catherine Hogan | 1 | Daughter | — | Missouri |
| 16 | James Small | 60 | Head | Foreman | Missouri |
| 17 | Sarah Small | 58 | Wife | — | Missouri |
| 18 | James Jr Small | 21 | Son | Laborer | Missouri |
| 19 | William Small | 18 | Son | Laborer | Missouri |
| 20 | Mary Small | 15 | Daughter | — | Missouri |
| 21 | — | None | — | — | — |
| 22 | — | None | — | — | — |
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| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
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)