MG
Margaret Gardner — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Brown-County, South Dakota
Our Model Tree links this Margaret Gardner across the 1930 and 1940 US Censuses in Brown-County, South Dakota (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 7-person household.
Age 33
b. ~1907
Female
Spouse
Born: South Dakota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Brown-County, South Dakota |
| Surname | Gardner |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Aberdeen city |
| 1935 Residence (County) | Brown |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Aberdeen 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Robert Gardner | Son | — | 15 | ~1925 |
| Margaret Gardner | Daughter | — | 4 | ~1936 |
| Donald Gardner | Son | — | 1 | ~1939 |
| Elmer Gardner | Head | — | 35 | ~1905 |
| Margaret Gardner | Spouse | — | 33 | ~1907 |
| Ella Knight | Other | — | 68 | ~1872 |
| Kenneth Gardner | Son | — | 14 | ~1926 |
Census Appearances
1930
Brown, South …
Spouse, age 22
Brown, South Dakota · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gardner |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | South Dakota |
| Age at First Marriage | 16 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Brown-County, South …
Spouse, age 33
Brown-County, South Dakota · implied b. ~1907 — 7 household members
| Surname | Gardner |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Dakota |
| 1935 Residence (City) | Aberdeen city |
| 1935 Residence (County) | Brown |
| Hours Worked | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Gardner across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Gardner
Spouse · 1940 · age 33 · b. ~1907 · South Dakota
★ 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 — Brown-County, South Dakota
Open full size
1940 US Federal Census — Brown-County, South Dakota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03849-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jack Fraser | 7 | Son | — | South Dakota |
| 42 | Margaret Fraser | 5 | Daughter | — | South Dakota |
| 43 | Dorothy Fraser | 2 | Daughter | — | South Dakota |
| 44 | Theodore Maves | 82 | Father-in-law | — | Wisconsin |
| 45 | James Cox | 35 | Head | Baker | Canada English |
| 46 | Vernice Cox | 36 | Wife | — | North Dakota |
| 47 | Karine Cox | 10 | Daughter | — | North Dakota |
| 48 | Freda Cox | 7 | Daughter | — | North Dakota |
| 49 | Maxine Cox | 4 | Daughter | — | North Dakota |
| 50 | Elmer Gardner | 35 | Head | Warehouse Helper | South Dakota |
| 51 | Margaret Gardner THIS PERSON | 33 | Wife | — | South Dakota |
| 52 | Robert Gardner | 15 | Son | — | South Dakota |
| 53 | Kenneth Gardner | 14 | Son | — | South Dakota |
| 54 | Margaret Gardner | 4 | Daughter | — | South Dakota |
| 55 | Donald Gardner | 1 | Son | — | South Dakota |
| 56 | Ella Knight | 68 | Mother-in-law | Conf. Clerk | Canada English |
| 57 | Andrew Kiefel | 56 | Head | Laborer | Russia |
| 58 | Johanna Kiefel | 57 | Wife | — | Russia |
| 59 | Joseph Kiefel | 18 | Son | — | South Dakota |
| 60 | Johnnie Kiefel | 14 | Son | — | South Dakota |
| 61 | Sebastian Ackerman | 30 | Step-son | Common Labor | North Dakota |
| 62 | Veronica Dalton | 37 | Head | — | Nebraska |
| 63 | Joseph Earl Dalton | 5 | Son | — | South Dakota |
| 64 | Marlys Ann Dalton | 2 | Daughter | — | South Dakota |
| 65 | Barbara Tutsch | 24 | Sister | Housekeeping Aid | Nebraska |
| 66 | Regina Kuntz | 25 | Lodger | Housework | North Dakota |
| 67 | C. H. Youngman | 46 | Head | Gas Fitter | South Dakota |
| 68 | Helen Youngman | 44 | Wife | — | South Dakota |
| 69 | Dale Youngman | 19 | Son | Selling Wares | South Dakota |
| 70 | James Cassidy | 56 | Head | Brick Layer | Iowa |
| 71 | Etta Fern Cassidy | 53 | Wife | Alterations | Iowa |
| 72 | Elizabeth Dettmers | 20 | Lodger | — | Montana |
| 73 | Rayburn Lane | 46 | Head | Police | Wisconsin |
| 74 | Alice Lane | 39 | Wife | — | Iowa |
| 75 | Roy Center | 37 | Head | District Supervisor | South Dakota |
| 76 | Castle Center | 38 | Wife | — | South Dakota |
| 77 | Lee Center | 16 | Son | — | South Dakota |
| 78 | Dona Jean Center | 13 | Daughter | — | South Dakota |
| 79 | Chadwick Center | 10 | Son | — | South Dakota |
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)