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William Frost — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ward-County, North Dakota
Our Model Tree links this William Frost across the 1930 and 1940 US Censuses in Ward-County, North Dakota (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 7-person household.
Age 43
b. ~1897
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ward-County, North Dakota |
| Surname | Frost |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | AFTON |
| 1935 Residence (County) | WARD |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 50 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Afton |
| Est. Birth Year | ~1897 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Rosalia Frost | Spouse | — | 31 | ~1909 |
| William Frost | Son | — | 2 | ~1938 |
| Arlene Frost | Son | — | 11 | ~1929 |
| William Frost | Head | — | 43 | ~1897 |
| Robert Frost | Son | — | 17 | ~1923 |
| Lorraine Frost | Daughter | — | 14 | ~1926 |
| Carol Frost | Daughter | — | 6 | ~1934 |
Census Appearances
1930
Ward, North …
Head, age 33
Ward, North Dakota · implied b. ~1897 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frost |
| Given Name | William A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 26 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Radio Set | R |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Ward-County, North …
Head, age 43
Ward-County, North Dakota · implied b. ~1897 — 7 household members
| Surname | Frost |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | AFTON |
| 1935 Residence (County) | WARD |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 56 |
| Income (1939) | 50 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| 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 Frost across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Frost
Head · 1940 · age 43 · b. ~1897 · North 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 — Ward-County, North Dakota
Open full size
1940 US Federal Census — Ward-County, North Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03017-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie E. Benn | 51 | Wife | — | North Dakota |
| 42 | Frank A. Benn | 20 | Son | Laborer | North Dakota |
| 43 | Arnold S. Hauge | 37 | Head | Farmer | North Dakota |
| 44 | Macey J. Hauge | 29 | Wife | — | North Dakota |
| 45 | Kathleen L. Hauge | 8 | Daughter | — | North Dakota |
| 46 | Douglas L. Hauge | 5 | Son | — | North Dakota |
| 47 | Harry L. Hauge | 3 | Son | — | North Dakota |
| 48 | Ione B. Skulberstad | 58 | Head | Farmer | Minnesota |
| 49 | Toruf Sand | 52 | Head | Farmer | Norway |
| 50 | Sadie Sand | 44 | Wife | — | Norway |
| 51 | Olive S. Sand | 19 | Daughter | — | North Dakota |
| 52 | Palma M. Sand | 17 | Daughter | — | North Dakota |
| 53 | Pearl L. Sand | 14 | Daughter | Laborer | North Dakota |
| 54 | Arnold O. Sand | 11 | Son | — | North Dakota |
| 55 | Evelyn M. Sand | 9 | Daughter | — | North Dakota |
| 56 | Leif Yttlow | 39 | Head | Farmer | Iowa |
| 57 | Isabelle F. Yttlow | 32 | Wife | — | North Dakota |
| 58 | Donald R. Yttlow | 9 | Son | — | North Dakota |
| 59 | Carol Jean Yttlow | 6 | Daughter | — | North Dakota |
| 60 | Joanne C. Yttlow | 5 | Daughter | — | North Dakota |
| 61 | Eileen F. Yttlow | 2 | Daughter | — | North Dakota |
| 62 | Olaf Berget | 46 | Head | Laborer | North Dakota |
| 63 | William A. Frost THIS PERSON | 43 | Head | Farmer | Iowa |
| 64 | Rosalia A. Frost | 31 | Wife | — | North Dakota |
| 65 | Robert W. Frost | 17 | Son | — | North Dakota |
| 66 | Lorraine M. Frost | 14 | Daughter | — | North Dakota |
| 67 | Arlene H. Frost | 11 | Son | — | North Dakota |
| 68 | Carol C. Frost | 6 | Daughter | — | North Dakota |
| 69 | William L. Frost | 2 | Son | — | North Dakota |
| 70 | Edward G. Schaefer | 51 | Head | — | Iowa |
| 71 | Margaret Schaefer | 47 | Wife | — | Iowa |
| 72 | C. Harold Schaefer | 25 | Son | — | North Dakota |
| 73 | Edward H. Schaefer | 23 | Son | — | North Dakota |
| 74 | Francis W. Schaefer | 22 | Son | — | North Dakota |
| 75 | Loretta M. Schaefer | 20 | Daughter | — | North Dakota |
| 76 | Leonard W. Schaefer | 18 | Son | — | North Dakota |
| 77 | Margaret G. Schaefer | 13 | Daughter | — | North Dakota |
| 78 | Molly Kathryn Schaefer | 10 | Daughter | — | North Dakota |
| 79 | Bernard J. Schaefer | 8 | Son | — | North Dakota |
| 80 | Laurence S. Schaefer | 7 | Son | — | North 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)