WP
William Parsons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Haakon-County, South Dakota
Our Model Tree links this William Parsons across the 1930 and 1940 US Censuses in Haakon-County, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 8-person household.
Age 35
b. ~1905
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Haakon-County, South Dakota |
| Surname | Parsons |
| Given Name | William Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Haakon |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | South Dakota |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Milesville Township |
| Est. Birth Year | ~1905 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Josie Parsons | Daughter | — | 11 | ~1929 |
| Mary Parsons | Daughter | — | 7 | ~1933 |
| William Parsons | Head | — | 35 | ~1905 |
| Helen Parsons | Spouse | — | 37 | ~1903 |
| Billy Parsons | Son | — | 4 | ~1936 |
| Boyd Parsons | Son | — | 10 | ~1930 |
| Barton Parsons | Son | — | 8 | ~1932 |
| Jean Parsons | Son | — | 13 | ~1927 |
Census Appearances
1930
Haakon, South …
Son, age 24
Haakon, South Dakota · implied b. ~1906 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parsons |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Haakon-County, South …
Head, age 35
Haakon-County, South Dakota · implied b. ~1905 — 8 household members
| Surname | Parsons |
| Given Name | William Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Haakon |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | South Dakota |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 William Parsons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Parsons
Head · 1940 · age 35 · b. ~1905 · 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 — Haakon-County, South Dakota
Open full size
1940 US Federal Census — Haakon-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03856-00737)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roscoe C. Jones | 52 | Head | Farmer | South Dakota |
| 2 | Martha Jones | 46 | Wife | — | Iowa |
| 3 | Gordon Jones | 17 | Son | Unpaid Farm Hand | South Dakota |
| 4 | Mavis Burge | 22 | Daughter | Typist | South Dakota |
| 5 | Gail Burge | 2 | Granddaughter | — | South Dakota |
| 6 | Edwin L. Fleming | 33 | Head | Farmer | Minnesota |
| 7 | Cliff A. Eynon | 31 | Head | Farmer | South Dakota |
| 8 | Laura Eynon | 29 | Wife | — | Kansas |
| 9 | Shirley Eynon | 8 | Daughter | — | South Dakota |
| 10 | Sharon Eynon | 7 | Daughter | — | South Dakota |
| 11 | Donald Eynon | 2 | Son | — | South Dakota |
| 12 | Elmer L. Williams | 46 | Head | Farmer | South Dakota |
| 13 | Margaret Williams | 41 | Wife | — | South Dakota |
| 14 | Mildred Williams | 16 | Daughter | — | South Dakota |
| 15 | James Williams | 14 | Son | — | South Dakota |
| 16 | Lyla Williams | 7 | Daughter | — | South Dakota |
| 17 | Lilah Williams | 7 | Daughter | — | South Dakota |
| 18 | Nelson C. Parsons | 60 | Head | Farmer | North Carolina |
| 19 | Charity Parsons | 57 | Wife | — | North Carolina |
| 20 | Howard Parsons | 15 | Son | — | South Dakota |
| 21 | Frank Parsons | 12 | Son | — | South Dakota |
| 22 | William Jr. Parsons THIS PERSON | 35 | Head | Farmer | Iowa |
| 23 | Helen Parsons | 37 | Wife | — | South Dakota |
| 24 | Jean Parsons | 13 | Son | — | South Dakota |
| 25 | Josie Parsons | 11 | Daughter | — | South Dakota |
| 26 | Boyd Parsons | 10 | Son | — | South Dakota |
| 27 | Barton Parsons | 8 | Son | — | South Dakota |
| 28 | Mary Parsons | 7 | Daughter | — | South Dakota |
| 29 | Billy Parsons | 4 | Son | — | South Dakota |
| 30 | Owen L. Mason | 75 | Head | Farmer | Arkansas |
| 31 | Mary Mason | 68 | Wife | — | Kentucky |
| 32 | Harriet Olson | 30 | Lodger | School Teacher | South Dakota |
| 33 | Glen Parsons | 27 | Head | Farmer | South Dakota |
| 34 | Florence Parsons | 31 | Wife | — | South Dakota |
| 35 | Bruce Parsons | 0 | Son | — | South Dakota |
| 36 | John Sandal | 42 | Head | Farmer | South Dakota |
| 37 | Verna Sandal | 39 | Wife | — | Illinois |
| 38 | Betty Sandal | 13 | Daughter | — | South Dakota |
| 39 | Jeane Sandal | 12 | Daughter | — | South Dakota |
| 40 | Jacqueline Sandal | 10 | Daughter | — | 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)