RJ
Ruth Jackson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Ruth Jackson across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Female
Spouse
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Jackson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Billing clerk |
| Industry | Optical |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Billing Clerk |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| John Jackson | Head | — | 43 | ~1897 |
| Keith Jackson | Son | — | 21 | ~1919 |
| Ruth Jackson | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Marion, Indiana
Other, age 21
Marion, Indiana · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Ruth |
| Relationship to Head | Sister-in-law |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Spouse, age 31
Marion, Indiana · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 18 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Billing Clerk |
| Industry | Optical Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Spouse, age 40
Marion-County, Indiana · implied b. ~1900 — 3 household members
| Surname | Jackson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Billing clerk |
| Industry | Optical |
| Class of Worker | PW |
| Hours Worked | 41 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Jackson
Spouse · 1940 · age 40 · b. ~1900 · Indiana
★ 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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01122-00529)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emma Domenico | 18 | Daughter | — | Indiana |
| 42 | Marie Domenico | 16 | Son | — | Indiana |
| 43 | Vera Domenico | 13 | Daughter | — | Indiana |
| 44 | Charles Vogt | 27 | Head | Personnel Reporter | Illinois |
| 45 | Betty Vogt | 21 | Wife | — | Indiana |
| 46 | Charles Vogt | 3 | Son | — | Indiana |
| 47 | Jane Elizabeth Vogt | 1 | Daughter | — | Indiana |
| 48 | William E. Gatewood | 39 | Head | Manager | Indiana |
| 49 | Emma Gatewood | 60 | Mother | — | Indiana |
| 50 | Frank R. Gray | 40 | Head | Asst. Production Mgr. | Indiana |
| 51 | Blanche M. Gray | 41 | Wife | — | Indiana |
| 52 | Harriett Ann Gray | 10 | Daughter | — | Indiana |
| 53 | David Chapman | 47 | Head | Auditor | Illinois |
| 54 | Leone Chapman | 43 | Wife | Book-Keeper | Illinois |
| 55 | Anna Margaret Chapman | 19 | Daughter | — | Illinois |
| 56 | David E. Chapman | 14 | Son | — | Indiana |
| 57 | Anna Rixley | 70 | Mother-in-law | — | Illinois |
| 58 | Albert H. Thompson | 32 | Head | Secretary | Oklahoma |
| 59 | Helen Thompson | 29 | Wife | — | Indiana |
| 60 | Barbara Thompson | 5 | Daughter | — | Indiana |
| 61 | Herbert Egbert | 25 | Head | Physician | Indiana |
| 62 | Mildred Egbert | 25 | Wife | — | Indiana |
| 63 | Sue Egbert | 1 | Daughter | — | Indiana |
| 64 | Ann Egbert | 1 | Daughter | — | Indiana |
| 65 | Waddell Perkey | 49 | Head | Conductor | Ohio |
| 66 | Ardella Perkey | 40 | Wife | — | Indiana |
| 67 | Stella Jones | 48 | Head | Laundress | Indiana |
| 68 | Loyd E. Evans | 37 | Head | Deliveryman | Indiana |
| 69 | Lorena Evans | 36 | Wife | — | Pennsylvania |
| 70 | Velma Jean Evans | 13 | Daughter | — | Indiana |
| 71 | James Allen Evans | 5 | Son | — | Indiana |
| 72 | Bernard Lark | 27 | Head | Sheet Metal Worker | Indiana |
| 73 | Gertrude Lark | 22 | Wife | Time Keeper | Indiana |
| 74 | David Lark | 2 | Son | — | Indiana |
| 75 | John O. Jackson | 43 | Head | Mechanic | Indiana |
| 76 | Ruth Jackson THIS PERSON | 40 | Wife | Billing Clerk | Indiana |
| 77 | Keith Jackson | 21 | Son | — | Indiana |
| 78 | David Warner | 44 | Head | Underfacer | Indiana |
| 79 | Mary Warner | 37 | Wife | Time Keeper | Indiana |
| 80 | George Barney | 37 | Head | Salesman | Indiana |
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)