MR
Margaret Robertson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Margaret Robertson across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Robertson |
| Given Name | Margaret L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1923 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Arthur Robertson | Son | — | 20 | ~1920 |
| Merle Robertson | Daughter | — | 10 | ~1930 |
| Donald Robertson | Son | — | 13 | ~1927 |
| Rebecca Robertson | Daughter | — | 11 | ~1929 |
| Forest Robertson | Son | — | 15 | ~1925 |
| L Robertson | Son | — | 21 | ~1919 |
| Ruth Robertson | Head | — | 49 | ~1891 |
| George Robertson | Son | — | 23 | ~1917 |
| Margaret Robertson | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Marion, Indiana
Daughter, age 7
Marion, Indiana · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robertson |
| Given Name | Margaret S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 17
Marion-County, Indiana · implied b. ~1923 — 9 household members
| Surname | Robertson |
| Given Name | Margaret L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Class of Worker | 0 |
| Highest Grade | H-2 |
| 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 Margaret Robertson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Robertson
Daughter · 1940 · age 17 · b. ~1923 · Indiana
★ You are viewing this record
Sibling
L Robertson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebecca Robertson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Robertson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Robertson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Robertson
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merle Robertson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Forest Robertson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-01130-00832)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Curtis Elder | 52 | Head | Laborer | Indiana |
| 2 | Elizabeth Elder | 50 | Wife | — | Indiana |
| 3 | Christy Lannes | 23 | Head | Filling Station | Indiana |
| 4 | Evelyn Lannes | 25 | Wife | — | Indiana |
| 5 | Ronald Lannes | 1 | Son | — | Indiana |
| 6 | Robt Mobley | 30 | Head | Painter | Indiana |
| 7 | Inez Mobley | 25 | Wife | — | Indiana |
| 8 | Cameron Mobley | 7 | Son | — | Indiana |
| 9 | Robt Mobley | 4 | Son | — | Indiana |
| 10 | Morris Boles | 24 | Head | Painter | Indiana |
| 11 | Thekla Boles | 22 | Wife | — | Indiana |
| 12 | Marilyn Boles | 1 | Daughter | — | Indiana |
| 13 | Ernest M Boles | 47 | Head | Carpenter | Indiana |
| 14 | Lucille Boles | 46 | Wife | — | Indiana |
| 15 | Donald Boles | 20 | Son | Laborer | Indiana |
| 16 | Bessie Plock | 21 | Lodger | — | Indiana |
| 17 | Ruth Robertson | 49 | Head | — | Indiana |
| 18 | George H Robertson | 23 | Son | Laborer | Indiana |
| 19 | L. Paul Robertson | 21 | Son | Laborer | Indiana |
| 20 | Arthur L Robertson | 20 | Son | Laborer | Indiana |
| 21 | Margaret L Robertson THIS PERSON | 17 | Daughter | — | Indiana |
| 22 | Forest E Robertson | 15 | Son | — | Indiana |
| 23 | Donald E Robertson | 13 | Son | — | Indiana |
| 24 | Rebecca L Robertson | 11 | Daughter | — | Indiana |
| 25 | Merle J Robertson | 10 | Daughter | — | Indiana |
| 26 | Ira Gilbert | 35 | Head | Laborer | Indiana |
| 27 | Mary Gilbert | 30 | Wife | Laborer | Indiana |
| 28 | Wm Petro | 77 | Head | — | Indiana |
| 29 | Jennie Petro | 73 | Wife | — | Indiana |
| 30 | Shirley Ruth Petro | 53 | Daughter | — | Indiana |
| 31 | Homer Whitney | 72 | Head | — | Indiana |
| 32 | Caroline Whitney | 64 | Wife | — | Indiana |
| 33 | Chas Pearce | 50 | Head | Inspector | Indiana |
| 34 | Sally Pearce | 53 | Wife | — | Georgia |
| 35 | Orville D Reynolds | 35 | Head | Clerk | Indiana |
| 36 | Gladys I Reynolds | 33 | Wife | — | Georgia |
| 37 | Sally Reynolds | 11 | Daughter | — | Indiana |
| 38 | Joyce Reynolds | 7 | Daughter | — | Indiana |
| 39 | Mary Dooley | 77 | Head | — | Indiana |
| 40 | Chas E Colson | 36 | Head | Driver | Illinois |
Related Census Records
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)