WM
William Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Buchanan-County, Iowa
Our Model Tree links this William Mitchell across the 1920, 1930 and 1940 US Censuses in Buchanan-County, Iowa (XGBoost, ~Confirmed), with identified parents W & William — first a head (b.~1897), then head of a 13-person household.
Age 43
b. ~1897
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Iowa |
| Surname | Mitchell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Independence City |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Occupation | Machinist |
| Industry | John Deere |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 980 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Machinist |
| Township / Ward | Independence City |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Geraldine Mitchell | Daughter | — | 17 | ~1923 |
| Mary Mitchell | Daughter | — | 18 | ~1922 |
| Patricia Mitchell | Daughter | — | 13 | ~1927 |
| Carol Mitchell | Daughter | — | 1 | ~1939 |
| William Mitchell | Head | — | 43 | ~1897 |
| Elizabeth Mitchell | Other | — | 72 | ~1868 |
| William Mitchell | Other | — | 73 | ~1867 |
| Richard Mitchell | Son | — | 19 | ~1921 |
| William Mitchell | Son | — | 15 | ~1925 |
| Francis Mitchell | Son | — | 11 | ~1929 |
| James Mitchell | Son | — | 4 | ~1936 |
| Donald Mitchell | Son | — | 7 | ~1933 |
| Genevieve Mitchell | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Buchanan, Iowa
Son, age 23
Buchanan, Iowa · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Occupation | Farm Laborer |
| Industry | Home Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Buchanan, Iowa
Son, age 33
Buchanan, Iowa · implied b. ~1897 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 23 |
| Father's Birthplace | New York |
| Mother's Birthplace | Iowa |
| Occupation | Farmer |
| Industry | Gen farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Buchanan-County, Iowa
Head, age 43
Buchanan-County, Iowa · implied b. ~1897 — 13 household members
| Surname | Mitchell |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Independence City |
| 1935 Residence (County) | Buchanan |
| Occupation | Machinist |
| Industry | John Deere |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 980 |
| Highest Grade | C-1 |
| 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 Mitchell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Mitchell (~0.92 confidence) and father William Mitchell (~0.92 confidence) and mother Elizabeth Mitchell (~0.92 confidence) and mother Agnes Mitchell (~0.92 confidence) and mother Genevieve Mitchell (~0.50 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
W Mitchell
b. ~1867
Source father
● Household
· direct · ~0.92
Father
William Mitchell
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Mitchell
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Agnes Mitchell
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Genevieve Mitchell
b. ~1899
Source mother
● Household
· direct · ~0.5
This person
Anchor record
William Mitchell
Head · 1940 · age 43 · b. ~1897 · Iowa
★ 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 — Buchanan-County, Iowa
Open full size
1940 US Federal Census — Buchanan-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01142-00942)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elsie Houston | 35 | Wife | — | Iowa |
| 2 | Lena G. Bayack | 67 | Head | — | Iowa |
| 3 | Earl Kalschule | 22 | Lodger | Bookkeeper | Iowa |
| 4 | Joseph M. Mcgrady | 68 | Head | Medical Doctor | Iowa |
| 5 | Alice M. Sullivan | 46 | Nurse | Registered Nurse | Iowa |
| 6 | Josephine D. Hill | 60 | Head | — | Iowa |
| 7 | Mary A. Hill | 45 | Sister | Clerk | Iowa |
| 8 | — | None | — | — | — |
| 9 | William Mitchell THIS PERSON | 43 | Head | Machinist | Iowa |
| 10 | Genevieve Mitchell | 41 | Wife | — | Iowa |
| 11 | Richard R. Mitchell | 19 | Son | Laborer | Iowa |
| 12 | Mary J. Mitchell | 18 | Daughter | Student | Iowa |
| 13 | Geraldine A. Mitchell | 17 | Daughter | — | Iowa |
| 14 | William T. Mitchell | 15 | Son | — | Iowa |
| 15 | Patricia L. Mitchell | 13 | Daughter | — | Iowa |
| 16 | Francis H. Mitchell | 11 | Son | — | Iowa |
| 17 | Donald C. Mitchell | 7 | Son | — | Iowa |
| 18 | James G. Mitchell | 4 | Son | — | Iowa |
| 19 | Carol G. Mitchell | 1 | Daughter | — | Iowa |
| 20 | William D. Mitchell | 73 | Father | — | New York |
| 21 | Elizabeth A. Mitchell | 72 | Mother | — | Iowa |
| 22 | Lavina E. Wenger | 63 | Head | — | Iowa |
| 23 | John Wilkinson | 36 | Head | Farm Hand | Iowa |
| 24 | Emma Wilkinson | 35 | Wife | — | Illinois |
| 25 | Janice R. Wilkinson | 2 | Daughter | — | Iowa |
| 26 | Thomas R. Wilkinson | 3 | Son | — | Iowa |
| 27 | Helen W. Gange | 42 | Head | Laborer | Iowa |
| 28 | Kent W. Gange | 13 | Son | — | Iowa |
| 29 | Betty H. Gange | 12 | Daughter | — | Iowa |
| 30 | Lowell W. Gange | 11 | Son | — | Iowa |
| 31 | Anna Maloney | 70 | Head | — | Illinois |
| 32 | Catherine Maloney | 74 | Sister | — | Illinois |
| 33 | Mary Maloney | 68 | Sister | — | Illinois |
| 34 | Margaret Maloney | 64 | Sister | — | Illinois |
| 35 | John C. Lorenz | 49 | Head | Truck Driver | Iowa |
| 36 | Clara C. Lorenz | 48 | Wife | Clerk | Iowa |
| 37 | Claire H. Lorenz | 19 | Son | Clerk | Iowa |
| 38 | Glen W. Lorenz | 16 | Son | — | Iowa |
| 39 | Pauline E. Lorenz | 13 | Daughter | — | Iowa |
| 40 | Agnes A. Zhulterman | 54 | Head | — | Iowa |
Related Census Records
Pedigree Summary
William
Gen 1 · 5 parents
~0.84
Max depth 4 (1900–1950 window)
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)