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Mary Logan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hughes-County, South Dakota
Our Model Tree links this Mary Logan across the 1910, 1920, 1930 and 1940 US Censuses in Hughes-County, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1863), then head of a 2-person household.
Age 77
b. ~1863
Female
Head
Born: Michigan
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Hughes-County, South Dakota |
| Surname | Logan |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Pierre City |
| 1935 Residence (County) | Hughes |
| Additional Details | |
| Occupation | Daughter |
| Industry | Housework at |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Daughter |
| Township / Ward | Pierre City |
| Est. Birth Year | ~1863 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Logan | Head | — | 77 | ~1863 |
| Clyde Logan | Son | — | 52 | ~1888 |
Census Appearances
1910
Hughes, South …
Spouse, age 47
Hughes, South Dakota · implied b. ~1863 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Mary D |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Michigan |
| Years Married | 30 |
| Children Born | 7 |
| Children Living | 6 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Industry | English |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1920
Hughes, South …
Spouse, age 57
Hughes, South Dakota · implied b. ~1863 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Mary D |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Hughes, South …
Other, age 67
Hughes, South Dakota · implied b. ~1863 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Logan |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 17 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Hughes-County, South …
Head, age 77
Hughes-County, South Dakota · implied b. ~1863 — 2 household members
| Surname | Logan |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 77 |
| Marital Status | Widowed |
| Birthplace | Michigan |
| 1935 Residence (City) | Pierre City |
| 1935 Residence (County) | Hughes |
| Occupation | Daughter |
| Industry | Housework at |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Logan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Logan
Head · 1940 · age 77 · b. ~1863 · South Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hughes-County, South Dakota
Open full size
1940 US Federal Census — Hughes-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03857-00759)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clara E. Anderson | 45 | Head | Pantry Cook | South Dak |
| 42 | Ross Sr. Dyer | 64 | Head | — | Harlem |
| 43 | Maynard Kitchen | 24 | Head | Clerk | South Dak |
| 44 | Sylvia Kitchen | 22 | Wife | — | South Dak |
| 45 | Judith Kay Kitchen | 3 | Daughter | — | South Dak |
| 46 | Jerry Ollum | 37 | Head | Book Work | South Dak |
| 47 | Winifred R. Ollum | 32 | Wife | — | South America |
| 48 | Ross Ollum | 12 | Son | — | South America |
| 49 | Alice L. Ollum | 11 | Daughter | — | S. America |
| 50 | Geraldine P. Ollum | 3 | Daughter | — | South Dak |
| 51 | Constance J. Ollum | 1 | Daughter | — | South Dak |
| 52 | Vernon J. Aurand | 53 | Head | Rancher | Illinois |
| 53 | Ella H. Aurand | 37 | Wife | — | South Dak |
| 54 | Vera M. Aurand | 19 | Daughter | Housework | South Dak |
| 55 | Around Merelynd | 16 | Son | N.Y.A. | South Dak |
| 56 | M. Keichuzuman | 71 | Head | — | Ohio |
| 57 | Lola B. Keichuzuman | 70 | Wife | Teacher | Indiana |
| 58 | Arthur Ramsey | 36 | Head | Butcher | South Dak |
| 59 | Velma Ramsey | 33 | Wife | — | Illinois |
| 60 | Phyllis Ramsey | 6 | Daughter | — | South Dak |
| 61 | Elling Ramsey | 4 | Son | — | South Dak |
| 62 | Ella Ramsey | 43 | Head | — | South Dak |
| 63 | Sena Ramsey | 77 | Mother | — | Norway |
| 64 | James Purcell | 59 | Head | Janitor | Iowa |
| 65 | Hanna Purcell | 61 | Wife | — | South Dak |
| 66 | John P. Purcell | 68 | Head | Old Age | Illinois |
| 67 | Katherine Purcell | 58 | Wife | — | Penn. |
| 68 | Mary A. Logan THIS PERSON | 77 | Head | Daughter | Michigan |
| 69 | Clyde Logan | 52 | Son | — | South Dak |
| 70 | Roberts H. Eubanks | 21 | Head | W.P.A. | South Dak |
| 71 | Clara C. Eubanks | 19 | Wife | — | South Dak |
| 72 | Sandra L. Eubanks | 1 | Daughter | — | South Dak |
| 73 | Michiel A. Eubanks | 1 | Son | — | South Dak |
| 74 | J. L. Burris | 77 | Head | — | Wisconsin |
| 75 | Gertrude Burris | 57 | Wife | Cashier | Illinois |
| 76 | Marie Johnson | 67 | Head | — | Sweden |
| 77 | Joe Johnson | 38 | Son | Salesman | South Dak |
| 78 | Emil Jarl | 69 | Head | Fireman | Sweden |
| 79 | Christine Jarl | 59 | Wife | — | Denmark |
| 80 | Marie Jarl | 23 | Daughter | Nurse | South Dak |
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)