MJ
Margaret Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Margaret Jones across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Marion & Charles — first a daughter (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Jones |
| Given Name | Margaret Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Doctors Assistant |
| Industry | Private Physicians Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 624 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Doctors Assistant |
| Township / Ward | Indianapolis City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Jones | Daughter | — | 27 | ~1913 |
| Charles Jones | Head | — | 49 | ~1891 |
| Hannah Jones | Other | — | 90 | ~1850 |
| Mary Jones | Spouse | — | 46 | ~1894 |
Census Appearances
1920
Marion, Indiana
Daughter, age 6
Marion, Indiana · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 16
Marion, Indiana · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Margaret J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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 — 4 household members
| Surname | Jones |
| Given Name | Margaret Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Occupation | Doctors Assistant |
| Industry | Private Physicians Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 624 |
| Highest Grade | H 4 |
| 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 Margaret Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Marion Jones (~0.92 confidence) and father Charles Jones (~0.92 confidence) and mother Nancy Jones (~0.92 confidence) and mother Mary Jones (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Marion Jones
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Charles Jones
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Nancy Jones
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mary Jones
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Jones
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-t0627-01126-00073)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard M Fisher | 1 | Grandson | — | Indiana |
| 2 | Keith Canan | 45 | Head | Assistant Cashier | Ohio |
| 3 | Annie Canan | 45 | Wife | — | Ohio |
| 4 | Gilbert T Carter | 35 | Head | Commercial Artist | Kentucky |
| 5 | Margaret A Carter | 31 | Wife | — | Indiana |
| 6 | Beverly Ann Carter | 8 | Daughter | — | Indiana |
| 7 | Gilbert T Jr Carter | 6 | Son | — | Indiana |
| 8 | Eleanor Marie Carter | 1 | Daughter | — | Indiana |
| 9 | Fred W Campbell | 60 | Father-in-law | Proprietor | Indiana |
| 10 | Hill Summitt | 57 | Head | Brakeman | Indiana |
| 11 | Bertha Summitt | 57 | Wife | — | Indiana |
| 12 | David Seymour | 64 | Head | Freight Conductor | Illinois |
| 13 | Laura J Seymour | 65 | Wife | — | Indiana |
| 14 | John Seymour | 21 | Son | Brakeman On Steam Railway | Indiana |
| 15 | Alma Seymour | 35 | Daughter | — | Indiana |
| 16 | Melvin W Berryman | 32 | Head | Real Estate Investigator | Colorado |
| 17 | Mildred Berryman | 26 | Wife | — | Indiana |
| 18 | Judith Berryman | 1 | Daughter | — | Indiana |
| 19 | Carl G Irwin | 44 | Head | Plumber | Ohio |
| 20 | Cecile L Irwin | 46 | Wife | Saleslady | Indiana |
| 21 | Virginia Ann Irwin | 15 | Daughter | — | Indiana |
| 22 | Charles George Irwin | 12 | Son | — | Indiana |
| 23 | Leo N Davis | 42 | Head | Machinist Foreman | Indiana |
| 24 | Norma Davis | 47 | Wife | — | Indiana |
| 25 | Ernest Davis | 23 | Son | Salesman | Indiana |
| 26 | Keith Davis | 18 | Son | File Clerk | Indiana |
| 27 | Robert Heninger | 12 | Nephew | — | Indiana |
| 28 | Brent S Taylor | 56 | Head | Train Seller | Indiana |
| 29 | Augusta Walker Taylor | 49 | Wife | Home Economics Teacher | Indiana |
| 30 | Paul E Taylor | 20 | Son | Salesman | Indiana |
| 31 | Mary E Walker | 82 | Mother-in-law | — | Indiana |
| 32 | Fred Knight | 36 | Head | Machinist | Indiana |
| 33 | Novella Knight | 35 | Wife | — | Indiana |
| 34 | Richard Lee Knight | 2 | Son | — | Indiana |
| 35 | Rena Guthrie | 37 | Head | — | Indiana |
| 36 | Ethel Guthrie | 49 | Daughter | — | Indiana |
| 37 | Charles R Jones | 49 | Head | Casket Trimmer | Indiana |
| 38 | Mary Ruth Jones | 46 | Wife | — | Indiana |
| 39 | Margaret Jean Jones THIS PERSON | 27 | Daughter | Doctors Assistant | Indiana |
| 40 | Hannah R Jones | 90 | Mother | — | Indiana |
Pedigree Summary
Margaret
Gen 1 · 4 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)