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Margaret Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-City-County, Missouri
Our Model Tree links this Margaret Murphy across the 1920, 1930 and 1940 US Censuses in St.-Louis-City-County, Missouri (XGBoost, ~Confirmed), with identified parents William & Mary — first a daughter (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-City-County, Missouri |
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis City |
| 1935 Residence (County) | St. Louis City |
| Additional Details | |
| Occupation | Dietician |
| Industry | Hospital |
| Class of Worker | PW |
| Income (1939) | 921 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Dietician |
| Township / Ward | St Louis City |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Murphy | Daughter | — | 27 | ~1913 |
| William Murphy | Head | — | 66 | ~1874 |
| Michael Murphy | Son | — | 25 | ~1915 |
| Mary Murphy | Spouse | — | 60 | ~1880 |
Census Appearances
1920
St Louis, …
Other, age 7
St Louis, Missouri · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| 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, …
Daughter, age 17
St Louis, Missouri · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Sewing Operat |
| Industry | Shirt Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 27
St.-Louis-City-County, Missouri · implied b. ~1913 — 4 household members
| Surname | Murphy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St Louis City |
| 1935 Residence (County) | St. Louis City |
| Occupation | Dietician |
| Industry | Hospital |
| Class of Worker | PW |
| Income (1939) | 921 |
| Highest Grade | H 2 |
| 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 Margaret Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Murphy (~0.92 confidence) and mother Mary Murphy (~0.92 confidence) and mother Anna Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Murphy
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Murphy
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Anna Murphy
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Murphy
Daughter · 1940 · age 27 · b. ~1913 · Missouri
★ You are viewing this record
Sibling
Michael Murphy
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-02201-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E Price | 63 | Wife | — | Missouri |
| 2 | Lucille Price | 22 | Daughter | Book-Keeper | Missouri |
| 3 | Joseph Price | 34 | Son | Book-Keeper | Missouri |
| 4 | Jean Price | 7 | Daughter | — | Missouri |
| 5 | Mary Price | 14 | Granddaughter | — | Missouri |
| 6 | Frances Price | 2 | Granddaughter | — | Missouri |
| 7 | Susan Murray | 60 | Head | — | Missouri |
| 8 | Melvin Murray | 35 | Son | Laborer | Missouri |
| 9 | Blanche Murray | 24 | Daughter | New Worker | Missouri |
| 10 | Joseph Murray | 27 | Son | Clerk | Missouri |
| 11 | Murray | None | — | — | — |
| 12 | Glennon Dolan | 24 | Head | Clerk | Missouri |
| 13 | Margaret Dolan | 18 | Wife | — | Missouri |
| 14 | Joan Dolan | 0 | Daughter | — | Missouri |
| 15 | — | None | — | — | — |
| 16 | William Murphy | 66 | Head | Stone Paver | Eire |
| 17 | Mary Murphy | 60 | Wife | — | Eire |
| 18 | Margaret Murphy THIS PERSON | 27 | Daughter | Dietician | Missouri |
| 19 | Michael Murphy | 25 | Son | Clerk | Missouri |
| 20 | Silas Mclaughlin | 76 | Head | — | Switzerland |
| 21 | Alice A Mclaughlin | 40 | Daughter | — | Missouri |
| 22 | Beatrice Luvin | 45 | Head | Maid | Eire |
| 23 | John Luvin | 11 | Son | — | Missouri |
| 24 | Patrick Luvin | 9 | Son | — | Missouri |
| 25 | Fred Buckman | 67 | Head | — | Missouri |
| 26 | Ella L Buckman | 65 | Wife | — | Missouri |
| 27 | William Clarke | 24 | Head | Clerk | Missouri |
| 28 | Lucille Clarke | 19 | Wife | — | Missouri |
| 29 | Stella Harper | 57 | Head | — | Iowa |
| 30 | Allen Harper | 39 | Son | — | Kansas |
| 31 | Raymond Harper | 37 | Son | Laborer | Kansas |
| 32 | Richard Harper | 37 | Son | Laborer | Kansas |
| 33 | Mildred Harper | 35 | Daughter | Laborer | Kansas |
| 34 | Lloyd Harper | 21 | Son | Laborer | Missouri |
| 35 | John Harper | 14 | Son | — | Missouri |
| 36 | Bertha Stiffacher | 74 | Head | — | Illinois |
| 37 | Carrie Stiffacher | 53 | Daughter | — | Illinois |
| 38 | Grace Stiffacher | 46 | Daughter | Clerk | Illinois |
| 39 | Hattie Stiffacher | 44 | Daughter | Clerk | Illinois |
| 40 | Cecil Mcgill | 33 | Head | Chauffeur | Indiana |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)