DM
Dorothy Murphy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Grant-County, Louisiana
Our Model Tree links this Dorothy Murphy across the 1920, 1930 and 1940 US Censuses in Grant-County, Louisiana (XGBoost, ~Confirmed), with identified parents James & Roxana — first a daughter (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Grant-County, Louisiana |
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Colfax Town |
| 1935 Residence (County) | Grant |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Colfax Town |
| Est. Birth Year | ~1917 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| James Murphy | Son | — | 21 | ~1919 |
| Dorothy Murphy | Daughter | — | 23 | ~1917 |
| Cephus Murphy | Son | — | 18 | ~1922 |
| Dero Murphy | Son | — | 14 | ~1926 |
| John Murphy | Son | — | 19 | ~1921 |
| Rovana Murphy | Daughter | — | 12 | ~1928 |
| Jim Murphy | Head | — | 53 | ~1887 |
Census Appearances
1920
Grant, Louisiana
Daughter, age 4
Grant, Louisiana · implied b. ~1916 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Grant, Louisiana
Daughter, age 14
Grant, Louisiana · implied b. ~1916 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Grant-County, Louisiana
Daughter, age 23
Grant-County, Louisiana · implied b. ~1917 — 7 household members
| Surname | Murphy |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Colfax Town |
| 1935 Residence (County) | Grant |
| Highest Grade | No 2 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Dorothy Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Murphy (~0.92 confidence) and mother Roxana Murphy (~0.92 confidence) and father Jim Murphy (~0.92 confidence) and father James Murphy (~0.92 confidence) and mother Lena Murphy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Murphy
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Roxana Murphy
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Jim Murphy
b. ~1887
Source father
● Household
· direct · ~0.92
Father
James Murphy
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Lena Murphy
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Murphy
Daughter · 1940 · age 23 · b. ~1917 · Louisiana
★ You are viewing this record
Sibling
Rovana Murphy
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Murphy
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Murphy
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dero Murphy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cephus Murphy
Sibling · 1940 · age 18
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 — Grant-County, Louisiana
Open full size
1940 US Federal Census — Grant-County, Louisiana
Page Contents
21 people indexed on this census page (nara:1940:m-t0627-01402-00039)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rose Hageman | 26 | Head | Beautician | Oklahoma |
| 2 | J. L. Woodall | 71 | Head | Medical Doctor | Arkansas |
| 3 | Irene Woodall | 55 | Wife | — | Louisiana |
| 4 | J. C. Killingsworth | 75 | Head | Night Watchman | Louisiana |
| 5 | Edmond Camelon | 36 | Head | Machine Operator | Louisiana |
| 6 | John A. Hunter | 39 | Head | Kitchen Work | Louisiana |
| 7 | John Bernard | 60 | Head | Up Keeper | Louisiana |
| 8 | Ed. Bolden | 47 | Head | Porter | Louisiana |
| 9 | Lena Bolden | 38 | Wife | — | Louisiana |
| 10 | Jim Murphy | 53 | Head | Dealer | Louisiana |
| 11 | Dorothy Murphy THIS PERSON | 23 | Daughter | — | Louisiana |
| 12 | James Jr. Murphy | 21 | Son | — | Louisiana |
| 13 | John Lee Murphy | 19 | Son | — | Louisiana |
| 14 | Cephus Murphy | 18 | Son | — | Louisiana |
| 15 | Dero Murphy | 14 | Son | — | Louisiana |
| 16 | Rovana Murphy | 12 | Daughter | — | Louisiana |
| 17 | Bill Kraft | 44 | Head | General Work | Louisiana |
| 18 | Ethel Kraft | 32 | Wife | — | Louisiana |
| 19 | William E. Kraft | 12 | Son | — | Louisiana |
| 20 | Ella Hampton | 32 | Head | Cook | Louisiana |
| 21 | Dorothy Jones | 61 | Head | Laundress | Louisiana |
Pedigree Summary
Dorothy + 5 siblings
Gen 1 · 5 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)