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Mary Murphy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Mary Murphy across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 6-person household.
Age 47
b. ~1893
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jean Murphy | Daughter | — | 14 | ~1926 |
| James Murphy | Head | — | 49 | ~1891 |
| Jack Murphy | Son | — | 20 | ~1920 |
| Thomas Murphy | Son | — | 17 | ~1923 |
| James Murphy | Son | — | 19 | ~1921 |
| Mary Murphy | Spouse | — | 47 | ~1893 |
Census Appearances
1920
St Louis, …
Other, age 26
St Louis, Missouri · implied b. ~1894 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Office Clerk |
| Industry | Street Car 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, …
Other, age 37
St Louis, Missouri · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 14 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Spouse, age 47
St.-Louis-City-County, Missouri · implied b. ~1893 — 6 household members
| Surname | Murphy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis City |
| 1935 Residence (County) | St. Louis City |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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 Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Murphy
Spouse · 1940 · age 47 · b. ~1893 · Missouri
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — St.-Louis-City-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-City-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02208-00675)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie D. Prasuhn | 35 | Head | Keeper | Missouri |
| 2 | Gertrude Sheridan | 29 | Lodger | Saleslady | Missouri |
| 3 | Jeane Anderson | 34 | Lodger | — | Missouri |
| 4 | James Anderson | 5 | Lodger | — | Michigan |
| 5 | Agnes Beatty | 54 | Lodger | Saleslady | Missouri |
| 6 | Anna Wambaugh | 57 | Lodger | — | Missouri |
| 7 | Edwin Wambaugh | 50 | Lodger | Paper Salesman | Texas |
| 8 | Margaret Wambaugh | 82 | Lodger | — | New York |
| 9 | Lenora Richards | 43 | Lodger | — | Missouri |
| 10 | Edwin Richards | 18 | Lodger | — | Missouri |
| 11 | Francis Richards | 7 | Lodger | — | Missouri |
| 12 | Nellie Halett | 65 | Head | — | Missouri |
| 13 | James Halett | 39 | Son | Painter | Missouri |
| 14 | Eustace Halett | 36 | Son | Painter | Missouri |
| 15 | Cathleen Lewis | 32 | Daughter | Musician | Missouri |
| 16 | Lora Langston | 49 | Head | — | Illinois |
| 17 | Gladys Langston | 48 | Wife | — | Missouri |
| 18 | Elmer O'Neil | 49 | Head | — | Illinois |
| 19 | Margaret O'Neil | 47 | Wife | Foreman | Missouri |
| 20 | Matthew O'Neil | 22 | Son | — | Illinois |
| 21 | James O'Neil | 14 | Son | — | Illinois |
| 22 | Clark T. Ingram | 55 | Head | Mailman | Missouri |
| 23 | Mayme Ingram | 56 | Wife | — | Missouri |
| 24 | Mary Ingram | 20 | Daughter | Secretary | Missouri |
| 25 | John Jones | 50 | Janitor | Janitor | Missouri |
| 26 | — | None | — | — | — |
| 27 | — | None | — | — | — |
| 28 | Lines Extra | None | — | — | — |
| 29 | Winifred Mulvey | 45 | Head | — | Missouri |
| 30 | Kathryn Mulvey | 25 | Daughter | Instrumental | Missouri |
| 31 | Walter Gibbs | 38 | Head | Mechanic | Missouri |
| 32 | Elva Gibbs | 36 | Wife | Saleslady | Missouri |
| 33 | Lorus Bolland | 45 | Lodger | Owner | Missouri |
| 34 | Lovenia White | 13 | Lodger | — | Missouri |
| 35 | James Murphy | 49 | Head | Carpenter | Missouri |
| 36 | Mary Murphy THIS PERSON | 47 | Wife | — | Missouri |
| 37 | Jack Murphy | 20 | Son | — | Missouri |
| 38 | James Murphy | 19 | Son | Salesman | Missouri |
| 39 | Thomas Murphy | 17 | Son | — | Missouri |
| 40 | Jean Murphy | 14 | Daughter | — | Missouri |
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)