KM
Katherine Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Katherine Murphy across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents Margaret — first a head (b.~1868), then head of a 6-person household.
Age 72
b. ~1868
Female
Head
Born: Missouri
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | University City |
| 1935 Residence (County) | St Louis |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Richmond Heights City |
| Est. Birth Year | ~1868 |
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 Katherine | Age | Birth yr |
|---|---|---|---|---|
| Mary Murphy | Daughter | — | 38 | ~1902 |
| Joe Murphy | Son | — | 37 | ~1903 |
| Louise Murphy | Son | — | 29 | ~1911 |
| Katherine Murphy | Head | — | 72 | ~1868 |
| Viola Kroener | Other | — | 37 | ~1903 |
| Virginia Murphy | Daughter | — | 32 | ~1908 |
Census Appearances
1920
St Louis, …
Daughter, age 50
St Louis, Missouri · implied b. ~1870 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Pennsylvania |
| Occupation | Housekeeper |
| Industry | Home |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Head, age 61
St Louis, Missouri · implied b. ~1869 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 72
St.-Louis-County, Missouri · implied b. ~1868 — 6 household members
| Surname | Murphy |
| Given Name | Katherine |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Missouri |
| 1935 Residence (City) | University City |
| 1935 Residence (County) | St Louis |
| Highest Grade | No 8 |
| 1935 Residence | Missouri |
| 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 Katherine Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Murphy (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Murphy
b. ~1850
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Murphy
Head · 1940 · age 72 · b. ~1868 · 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-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02150-00814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Mueller | 4 | Son | — | Missouri |
| 2 | David Green | 52 | Head | Clerk | Germany |
| 3 | Ester Green | 50 | Wife | Owner | Russia |
| 4 | Israel Green | 21 | Son | None | Missouri |
| 5 | Florence Green | 20 | Wife | None | Missouri |
| 6 | Maurice Heimann | 43 | Head | Salesman | Illinois |
| 7 | Mary Ann Heimann | 72 | Mother | — | Illinois |
| 8 | Martha Heimann | 57 | Sister | — | Illinois |
| 9 | Lester Keighta | 39 | Head | Assistant Manager | Massachusetts |
| 10 | Geraldine Keighta | 35 | Wife | — | Massachusetts |
| 11 | Lester Keighta | 14 | Son | — | Massachusetts |
| 12 | Judith Keighta | 8 | Daughter | — | Massachusetts |
| 13 | Linda Keighta | 2 | Daughter | — | Missouri |
| 14 | Charles Bartley | 68 | Head | Salesman | Missouri |
| 15 | Josephine Bartley | 53 | Wife | — | Missouri |
| 16 | Antoinette Smith | 26 | Daughter | — | Missouri |
| 17 | Frank Smith | 26 | Son in law | Mechanic Diesel Engineer | Missouri |
| 18 | Katherine Murphy THIS PERSON | 72 | Head | — | Missouri |
| 19 | Mary Adelaide Murphy | 38 | Daughter | Railroad Clerk | Missouri |
| 20 | Joe F Murphy | 37 | Son | Insurance Broker | Missouri |
| 21 | Virginia Murphy | 32 | Daughter | — | Missouri |
| 22 | Louise J Murphy | 29 | Son | New Worker | Missouri |
| 23 | Viola M Kroener | 37 | Maid | Servant | Missouri |
| 24 | William T Christmas | 42 | Head | President | Indiana |
| 25 | Ethel Christmas | 41 | Wife | — | Missouri |
| 26 | Evelyn Shorten | 22 | Step daughter | New Worker | Missouri |
| 27 | Charles Gumm | 45 | Head | Owner | Missouri |
| 28 | Lottie Gumm | 46 | Wife | — | Missouri |
| 29 | Katherine Breitweiser | 76 | Mother in law | — | Missouri |
| 30 | Elbert R Brooks | 60 | Head | Insurance Broker | Tennessee |
| 31 | Maude T Brooks | 59 | Wife | — | Tennessee |
| 32 | Charles Baucom | 28 | Nephew | Broker | Tennessee |
| 33 | Shelby Arnold | 27 | Nephew | Pressman | Tennessee |
| 34 | Clarence H Winkelmann | 38 | Head | Salesman | Missouri |
| 35 | Alice M Winkelmann | 33 | Wife | — | Missouri |
| 36 | John P Winkelmann | 6 | Son | — | Missouri |
| 37 | Joseph P Winkelmann | 3 | Son | — | Missouri |
| 38 | Hector Macinnis | 44 | Head | Sales Engineer | Nova Scotia |
| 39 | Bess Macinnis | 42 | Wife | — | Minnesota |
| 40 | Gene Macinnis | 5 | Son | — | Washington |
Pedigree Summary
Katherine
Gen 1 · 1 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)