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John Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Iowa
Our Model Tree links this John Mitchell across the 1920, 1930 and 1940 US Censuses in Marion-County, Iowa (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Iowa |
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Melcher Town |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Common Laborer |
| Industry | N. Y. A. |
| Class of Worker | GW |
| Hours Worked | 15 |
| Income (1939) | 171 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Common Laborer |
| Township / Ward | Melcher Town |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Mitchell | Head | — | 59 | ~1881 |
| Lloyd Mitchell | Son | — | 21 | ~1919 |
| John Mitchell | Son | — | 23 | ~1917 |
| Bertha Mitchell | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Marion, Iowa
Son, age 3
Marion, Iowa · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Marion, Iowa
Son, age 13
Marion, Iowa · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Marion-County, Iowa
Son, age 23
Marion-County, Iowa · implied b. ~1917 — 4 household members
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Melcher Town |
| 1935 Residence (County) | Marion |
| Occupation | Common Laborer |
| Industry | N. Y. A. |
| Class of Worker | GW |
| Hours Worked | 15 |
| Income (1939) | 171 |
| Highest Grade | H 4 |
| 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 John Mitchell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Mitchell (~0.92 confidence) and father James Mitchell (~0.92 confidence) and mother Bertha Mitchell (~0.92 confidence) and mother Bertha Mitchell (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mitchell
b. ~1892
Source father
● Household
· direct · ~0.92
Father
James Mitchell
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Bertha Mitchell
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Bertha Mitchell
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mitchell
Son · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Sibling
Lloyd Mitchell
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Marion-County, Iowa
Open full size
1940 US Federal Census — Marion-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01181-00094)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dwight Norton | 18 | son | New Worker | Iowa |
| 2 | Freda Norton | 15 | daughter | — | Iowa |
| 3 | Norman Norton | 13 | son | — | Iowa |
| 4 | Adam Kissinger | 51 | head | Common Laborer | Pennsylvania |
| 5 | Emma Kissinger | 56 | wife | — | Iowa |
| 6 | Foster Kissinger | 34 | son | — | Iowa |
| 7 | James Mitchell | 59 | head | Partner | Iowa |
| 8 | Bertha Mitchell | 52 | wife | — | Illinois |
| 9 | John Mitchell THIS PERSON | 23 | son | Common Laborer | Iowa |
| 10 | Lloyd Mitchell | 21 | son | Common Laborer | Iowa |
| 11 | N. R. Cowan | 73 | head | — | Illinois |
| 12 | Elizabeth Ann Cowan | 67 | wife | — | Pennsylvania |
| 13 | Al Spear | 68 | head | — | Illinois |
| 14 | Nan Spear | 64 | wife | — | Iowa |
| 15 | Ray Spear | 30 | son | Material Handler | Iowa |
| 16 | Bert Long | 51 | head | Common Laborer | Iowa |
| 17 | Elva Long | 43 | wife | — | Iowa |
| 18 | Sara Long | 19 | daughter | New Worker | Iowa |
| 19 | Bert Jr. Long | 10 | son | — | Iowa |
| 20 | Robert E. Miller | 46 | head | Coal Miner | Iowa |
| 21 | Wilma Miller | 41 | wife | — | Missouri |
| 22 | Francis Miller | 22 | son | Clerk | Iowa |
| 23 | Robert Miller | 8 | son | — | Iowa |
| 24 | Samuel Mitchell | 71 | head | — | England |
| 25 | Mary Mitchell | 71 | wife | — | England |
| 26 | Lloyd Young | 34 | head | Coal Miner | Iowa |
| 27 | Mary Young | 34 | wife | — | Illinois |
| 28 | William Young | 12 | son | — | Iowa |
| 29 | William Russell | 64 | lodger | Manager | England |
| 30 | Arthur Turner | 52 | head | Coal Miner | England |
| 31 | Esther Turner | 47 | wife | Seamstress | England |
| 32 | Donald Turner | 16 | son | — | Iowa |
| 33 | Billy Turner | 14 | son | — | Iowa |
| 34 | Tom Graham | 44 | head | Dry Cleaner | Iowa |
| 35 | Ida Graham | 42 | wife | Dry Cleaner | Iowa |
| 36 | Harry Wilson | 73 | head | — | Iowa |
| 37 | Myrtle Harris | 53 | housekeeper | Housekeeper | Iowa |
| 38 | Julia Cowan | 66 | head | — | Iowa |
| 39 | Sam Cowan | 38 | son | Common Laborer | Iowa |
| 40 | Thomas Holstead | 63 | head | Common Laborer | England |
Pedigree Summary
John + 1 sibling
Gen 1 · 4 parents
~0.92
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)