RJ
Ruth Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this Ruth Johnson across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Female
Daughter
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Johnson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | City of New Orleans |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Occupation | Chemist |
| Industry | State Charity Hospital |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 1935 Residence | Same Place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Chemist |
| Township / Ward | City Of New Orleans |
| Est. Birth Year | ~1916 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Johnson | Daughter | — | 24 | ~1916 |
| John Johnson | Head | — | 50 | ~1890 |
| Richard Johnson | Son | — | 21 | ~1919 |
| Mary Johnson | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Orleans, Louisiana
Daughter, age 4
Orleans, Louisiana · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Daughter, age 15
Orleans, Louisiana · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| 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
Orleans-County, Louisiana
Daughter, age 24
Orleans-County, Louisiana · implied b. ~1916 — 4 household members
| Surname | Johnson |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | City of New Orleans |
| 1935 Residence (County) | Orleans |
| Occupation | Chemist |
| Industry | State Charity Hospital |
| Class of Worker | GW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | C 4 |
| 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 Ruth Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Helen Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1891
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Helen Johnson
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Johnson
Daughter · 1940 · age 24 · b. ~1916 · Louisiana
★ You are viewing this record
Sibling
Richard Johnson
Sibling · 1940 · age 21
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 — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
31 people indexed on this census page (nara:1940:m-t0627-01431-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John J. Johnson | 50 | Head | Brakeman | Louisiana |
| 42 | Mary H. Johnson | 46 | Wife | — | Louisiana |
| 43 | Ruth E. Johnson THIS PERSON | 24 | Daughter | Chemist | Louisiana |
| 44 | Richard V. Johnson | 21 | Son | Geologist | Louisiana |
| 46 | Ernest Y. Barringer | 47 | Head | Salesman | Louisiana |
| 47 | Margaret Barringer | 36 | Wife | — | Louisiana |
| 48 | Jeanette Riley | 45 | Sister-in-law | Clerk | Louisiana |
| 49 | Jane Riley | 21 | Niece | Secretary | Louisiana |
| 50 | Nephew Howell | None | M | — | — |
| 51 | Susan Barringer | 3 | Daughter | — | Louisiana |
| 52 | Samuel L. Richardson | 27 | Head | Driller | Louisiana |
| 53 | Herbert A. Cushman | 40 | Partner | Fireman | Louisiana |
| 54 | Wylie D. Perot | 32 | Partner | Fireman | Louisiana |
| 56 | Frances S. Graves | 28 | Head | — | Mississippi |
| 58 | Robert E. Matthews | 45 | Head | Solicitor | Mississippi |
| 59 | Alice Matthews | 33 | Wife | Stenographer | Mississippi |
| 61 | Maury B. Powers | 44 | Head | Clerk | Mississippi |
| 62 | Mary Lou Powers | 37 | Wife | — | Louisiana |
| 63 | Margaret P. Powers | 12 | Daughter | — | Louisiana |
| 64 | Mary Lou Powers | 9 | Daughter | — | Louisiana |
| 66 | Ben C. Boudreaux | 44 | Son | Owner | Louisiana |
| 68 | Lillian Coyne | 36 | Head | Saleslady | Louisiana |
| 70 | Katie Lee Waggoner | 18 | Boarder | — | Tennessee |
| 72 | Robert E. Hayes | 57 | Head | — | Kansas |
| 73 | Prophet Gools | 43 | Nephew | Owner | Illinois |
| 74 | Carroll Warmoth | 53 | Head | Hostess | Louisiana |
| 75 | Merriel R. Holliday | 25 | Head | Salesman | Tennessee |
| 76 | Margaret Holliday | 23 | Wife | Saleslady | Louisiana |
| 77 | Raymond Wilson | 41 | Head | Brickmason | Minnesota |
| 78 | Lois Wilson | 42 | Wife | — | South Dakota |
| 79 | Betty G. Wilson | 10 | Daughter | — | Texas |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 6 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)