HJ
Helen Jackson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Helen Jackson across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Reese & Reece — first a daughter (b.~1907), then head of a 2-person household.
Age 33
b. ~1907
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Jackson |
| Given Name | Helen L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Typist |
| Industry | Church |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Typist |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1907 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Jackson | Daughter | — | 33 | ~1907 |
| Blanche Jackson | Head | — | 51 | ~1889 |
Census Appearances
1920
Marion, Indiana
Daughter, age 12
Marion, Indiana · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 23
Marion, Indiana · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jackson |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Office Girl |
| Industry | Pension Ass'n |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 33
Marion-County, Indiana · implied b. ~1907 — 2 household members
| Surname | Jackson |
| Given Name | Helen L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Occupation | Typist |
| Industry | Church |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1040 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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 Helen Jackson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Reese Jackson (~0.92 confidence) and father Reece Jackson (~0.92 confidence) and mother Blanche Jackson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Reese Jackson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
Reece Jackson
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Blanche Jackson
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Jackson
Daughter · 1940 · age 33 · b. ~1907 · 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-t0627-01128-01002)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred J. Flynn | 64 | Head | Janitor | Indiana |
| 2 | Myrtle (Ab) Flynn | 52 | Wife | Practical Nurse | Indiana |
| 3 | Harry R. Fritzel | 32 | Head | Press Operator | Indiana |
| 4 | Beatrice M. Fritzel | 42 | Sister | Office Manager | Ohio |
| 5 | Jack H. Kennedy | 39 | Head | Machinist | Indiana |
| 6 | Florence Kennedy | 39 | Wife | — | Illinois |
| 7 | Patricia J. Kennedy | 11 | Daughter | — | Indiana |
| 8 | Leo F. Wolf | 22 | Head | Packer | Indiana |
| 9 | Ruth L. Wolf | 20 | Wife | — | Indiana |
| 10 | Jacqueline Wolf | 2 | Daughter | — | Indiana |
| 11 | Fred C. Marowe | 22 | Head | 5 | Indiana |
| 12 | Mabel Marowe | 22 | Wife | Transfer Girl | Indiana |
| 13 | Van L. Swearingin | 64 | Head | — | Kentucky |
| 14 | Elizabeth Swearingin | 41 | Wife | — | Indiana |
| 15 | Edwin Whitted | 21 | Stepson | Inspector | Indiana |
| 16 | Ollie Oakes | 53 | Head | Truck Driver | Kentucky |
| 17 | Virginia Oakes | 48 | Wife | — | Kentucky |
| 18 | Juanita Oakes | 12 | Daughter | — | Indiana |
| 19 | Mary E. Kraft | 63 | Head | — | Illinois |
| 20 | Donald Miller | 23 | Head | — | Indiana |
| 21 | Virginia Miller | 23 | Wife | — | Kentucky |
| 22 | William Underwood | 26 | Head | Laborer | Indiana |
| 23 | Effie M. Underwood | 23 | Wife | Saleslady | Indiana |
| 24 | Alfred N. Harbin | 40 | Head | Carpenter | Indiana |
| 25 | Callie E. Harbin | 32 | Wife | — | Louisiana |
| 26 | Earthing Harbin | 8 | Daughter | — | Texas |
| 27 | Joseph R. Harbin | 7 | Son | — | Indiana |
| 28 | Velma L. Harbin | 4 | Daughter | — | Indiana |
| 29 | Ida O. Ayres | 57 | Head | Maid | Indiana |
| 30 | Herman Ayres | 32 | Son | Metalworker | Indiana |
| 31 | Francis Ayres | 25 | Son | Truck Driver | Indiana |
| 32 | Andrew Ayres | 20 | Son | Truck Driver | Indiana |
| 33 | Clarence Helsen | 32 | Head | Assembler | Indiana |
| 34 | Ruth I. Helsen | 34 | Wife | Saleslady | Indiana |
| 35 | Melvin Anderson | 14 | Stepson | — | Indiana |
| 36 | Blanche Jackson | 51 | Head | — | Indiana |
| 37 | Helen L. Jackson THIS PERSON | 33 | Daughter | Typist | Indiana |
| 38 | George R. Crozier | 68 | Head | Conductor | Indiana |
| 39 | Margaret R. Crozier | 66 | Wife | — | Indiana |
| 40 | Edward J. Louis | 55 | Son in law | Salesman | Ohio |
Pedigree Summary
Helen
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)