MA
Mary Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mary Adams across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Daniel & Ruth — first a daughter (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Adams |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Asst to Doctor |
| Industry | Doctors Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 228 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Asst To Doctor |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1913 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Adams | Daughter | — | 27 | ~1913 |
| Daniel Adams | Head | — | 64 | ~1876 |
| Ruth Adams | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Marion, Indiana
Daughter, age 6
Marion, Indiana · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 17
Marion, Indiana · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Mary S |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 27
Marion-County, Indiana · implied b. ~1913 — 3 household members
| Surname | Adams |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Asst to Doctor |
| Industry | Doctors Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 228 |
| Highest Grade | C 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 Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Daniel Adams (~0.92 confidence) and mother Ruth Adams (~0.92 confidence) and mother Ruth Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Daniel Adams
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Ruth Adams
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Ruth Adams
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Adams
Daughter · 1940 · age 27 · b. ~1913 · 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-t0627-01130-00165)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Bucher | 27 | Partner | Clerk | Indiana |
| 42 | Anna Bucher | 25 | Partner | Stenographer | Indiana |
| 43 | Myra N. Doan | 71 | Head | — | Vermont |
| 44 | Helen Hollenbeck | 73 | Sister | — | Vermont |
| 45 | Lucy E. Branham | 59 | Head | — | Arkansas |
| 46 | Paul Branham | 33 | Son | Yard Clerk | Indiana |
| 47 | Herbert Branham | 30 | Son | Yard Clerk | Indiana |
| 48 | Margaret Ann Branham | 21 | Daughter | Stenographer | Indiana |
| 49 | Jasper Branham | 17 | Son | — | Indiana |
| 50 | Harold Berry | 29 | Son-in-law | Salesman | Indiana |
| 51 | Josephine Berry | 29 | Daughter | Telephone Operator | Indiana |
| 52 | Daniel Adams | 64 | Head | Medical Doctor | Indiana |
| 53 | Ruth B. Adams | 56 | Wife | — | Indiana |
| 54 | Mary E. Adams THIS PERSON | 27 | Daughter | Asst To Doctor | Indiana |
| 55 | Cora K. Day | 56 | Head | — | Indiana |
| 56 | Minnie Keller | 70 | Head | — | Indiana |
| 57 | Rosa Kennedy | 68 | Servant | Servant | Indiana |
| 58 | Edward C. Kamper | 69 | Head | — | Ohio |
| 59 | Bernice E. Kamper | 65 | Wife | — | Ohio |
| 60 | Pauline F. Hull | 50 | Head | Supervisor | Illinois |
| 61 | Blanche Paulson | 39 | Partner | Bookkeeper | Illinois |
| 62 | Anna Charles | 46 | Head | Director Of Religious Education | Iowa |
| 63 | Amis Davidson | 37 | Head | Supervisor | Missouri |
| 64 | Michael Monahan | 67 | Head | Engineer | Ohio |
| 65 | Mary C. Monahan | 65 | Wife | — | Indiana |
| 66 | Paul Wm. Monahan | 26 | Son | Fireman | Indiana |
| 67 | Pyrl Walton | 31 | Head | Manager | Oklahoma |
| 68 | Mary Frances Walton | 26 | Wife | — | Indiana |
| 69 | Kenneth Walton | 3 | Son | — | Indiana |
| 70 | Jarma Lu Walton | 0 | Daughter | — | Indiana |
| 71 | C. Brooke Frank | 22 | Brother-in-law | Waiter | Oklahoma |
| 72 | Oscar Clarke | 34 | Lodger | Salesman | Indiana |
| 73 | Eunice Clarke | 27 | Lodger | Waitress | Indiana |
| 74 | Victor Landis | 33 | Head | Auditor | Indiana |
| 75 | La Voy Landis | 33 | Wife | — | Indiana |
| 76 | Patricia Ann Landis | 13 | Daughter | — | Indiana |
| 77 | Clara W. Landis | 63 | Mother | — | Illinois |
| 78 | Clifford Rosenberger | 48 | Head | Steel Elector | Indiana |
| 79 | Cecile Rosenberger | 50 | Wife | — | Indiana |
| 80 | Gine Rosenberger | 19 | Son | — | Indiana |
Pedigree Summary
Mary
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)