MH
Mary Harding — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Harding across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Harry & Theodore — first a head (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Female
Head
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Harding |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Teletype |
| Industry | Manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Teletype |
| Township / Ward | Indianapolis |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Helen Harding | Daughter | — | 21 | ~1919 |
| Theodore Harding | Son | — | 17 | ~1923 |
| Thelma Harding | Daughter | — | 15 | ~1925 |
| Margaret Harding | Daughter | — | 10 | ~1930 |
| Mary Harding | Head | — | 23 | ~1917 |
| Evelyn Harding | Daughter | — | 13 | ~1927 |
Census Appearances
1920
Marion, Indiana
Daughter, age 3
Marion, Indiana · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harding |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 13
Marion, Indiana · implied b. ~1917 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harding |
| Given Name | Mary E. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Head, age 23
Marion-County, Indiana · implied b. ~1917 — 6 household members
| Surname | Harding |
| Given Name | Mary E |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Teletype |
| Industry | Manufacturing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 236 |
| Highest Grade | H 4 |
| 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 Mary Harding across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Harding (~0.92 confidence) and father Theodore Harding (~0.83 confidence) and mother Minnie Harding (~0.83 confidence) and mother Mary Harding (~0.92 confidence). The pedigree spans 2 generations with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.88
Father
Harry Harding
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Theodore Harding
b. ~1870
Source father>father
● Household
· direct · ~0.83
Mother
Minnie Harding
b. ~1881
Source father>mother
● Household
· direct · ~0.83
Mother
Mary Harding
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Harding
Head · 1940 · age 23 · b. ~1917 · 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-t0627-01130-00263)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward L Payne | 46 | Head | No No No No S | Indiana |
| 2 | Donald H Payne | 11 | Son | — | Indiana |
| 3 | Lula Hughes | 71 | Mother-in-law | No No No No S | Indiana |
| 4 | M Grayson Barnett | 27 | Head | Stenographer | Indiana |
| 5 | Mary Adelle Barnett | 29 | Daughter | No | Indiana |
| 6 | Alice Barnett | 5 | Daughter | — | Indiana |
| 7 | Carol Jane Barnett | 3 | Daughter | — | Indiana |
| 8 | Gwendolyn Adelle Barnett | 1 | Daughter | — | Indiana |
| 9 | Charles Farr | 24 | Head | Salesman | Indiana |
| 10 | Annette Farr | 22 | Daughter | Comptometer | Indiana |
| 11 | Bernard J Farr | 20 | Son | New Worker | Indiana |
| 12 | Marjorie Farr | 18 | Daughter | Secretary | Indiana |
| 13 | Theresa Farr | 16 | Daughter | No No No No S | Indiana |
| 14 | Marjorie Farr | 15 | Daughter | No No No No S | Indiana |
| 15 | Walter Farr | 13 | Son | — | Indiana |
| 16 | Ralph Farr | 10 | Son | — | Indiana |
| 17 | Frances Farr | 9 | Daughter | — | Indiana |
| 18 | Mary E Keeler | 34 | Housekeeper | Housekeeper | Indiana |
| 19 | Walter D Gans | 51 | Head | Working | Indiana |
| 20 | Mabel M Gans | 53 | Daughter | No No No No S | Indiana |
| 21 | Joan Stumph | 5 | Daughter | — | Indiana |
| 22 | John Stumph | 3 | Son | — | Indiana |
| 23 | Jerry Stumph | 3 | Daughter | — | Indiana |
| 24 | Mary E Harding THIS PERSON | 23 | Head | Teletype | Indiana |
| 25 | Helen D Harding | 21 | Daughter | Comptometer Operator | Indiana |
| 26 | Theodore Harding | 17 | Son | No No No No S | Indiana |
| 27 | Thelma Harding | 15 | Daughter | No No No No S | Indiana |
| 28 | Evelyn Harding | 13 | Daughter | — | Indiana |
| 29 | Margaret A Harding | 10 | Daughter | — | Indiana |
| 30 | John Deaver | 44 | Head | No | Indiana |
| 31 | Joe Bill Deaver | 12 | Son | — | Indiana |
| 32 | Frances J Deaver | 10 | Daughter | — | Indiana |
| 33 | Lee Barton | 24 | Head | Middle Man | Indiana |
| 34 | Edna May Barton | 18 | Daughter | No No No No S | Indiana |
| 35 | Crawford Pangle | 30 | Lodger | Mechanic | Pennsylvania |
| 36 | Anthony J Werder | 34 | Lodger | Salesman | Michigan |
| 37 | Eva Werder | 33 | Lodger | Saleslady | Indiana |
| 38 | Judith A Martin | 12 | Daughter | — | Indiana |
| 39 | Michael O'Connor | 3 | Son | — | Indiana |
| 40 | Charles W Huffman | 3 | Son | — | Indiana |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 2 parents
~0.92
Gen 2 · 2 grandparents
~0.83
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)