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John Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this John Mitchell across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Clerk |
| Industry | Wholesale Warehouse |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Clerk |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1919 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Francis Mitchell | Daughter | — | 20 | ~1920 |
| Alice Mitchell | Daughter | — | 18 | ~1922 |
| Rose Mitchell | Daughter | — | 25 | ~1915 |
| John Mitchell | Head | — | 52 | ~1888 |
| Bernard Mitchell | Son | — | 9 | ~1931 |
| John Mitchell | Son | — | 21 | ~1919 |
| Lawrence Mitchell | Son | — | 12 | ~1928 |
| Anna Mitchell | Spouse | — | 49 | ~1891 |
Census Appearances
1920
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1919 — 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 | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 21
San-Francisco-County, California · implied b. ~1919 — 8 household members
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Clerk |
| Industry | Wholesale Warehouse |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 John Mitchell (~0.92 confidence) and father John Mitchell (~0.92 confidence) and mother Annie Mitchell (~0.92 confidence) and mother Anna Mitchell (~0.92 confidence) and mother Anna Mitchell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mitchell
b. ~1888
Source father
● Household
· direct · ~0.92
Father
John Mitchell
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Annie Mitchell
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Anna Mitchell
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Anna Mitchell
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mitchell
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Rose Mitchell
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Mitchell
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Mitchell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mitchell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mitchell
Sibling · 1940 · age 20
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 — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00310-00332)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ben H Bradley | 5 | Son | — | Utah |
| 42 | Lufton J Bradley | 3 | Daughter | — | Utah |
| 43 | Coleen Bradley | 2 | Daughter | — | Calif |
| 44 | Karen Bradley | 1 | Daughter | — | Calif |
| 45 | James Hannaham | 66 | Head | Labor Foreman | Ohio |
| 46 | Ashton Lewis | 41 | Head | Clerk | Utah |
| 47 | Fred Wachovago | 56 | Head | Motorman | Germany |
| 48 | Francis Wachovago | 53 | Wife | — | Germany |
| 49 | Elizabeth Wachovago | 14 | Daughter | — | Calif |
| 50 | Fred Jr Wachovago | 28 | Son | Brewer | Calif |
| 51 | Ivy Wachovago | 23 | Wife | — | Calif |
| 52 | Thomas Wachovago | 0 | Son | — | Calif |
| 53 | Robert Nathan | 40 | Head | Draftsman | Turkey |
| 54 | Lucy Nathan | 34 | Wife | — | Turkey |
| 55 | Robert Jr Nathan | 12 | Son | — | California |
| 56 | Albert Nathan | 3 | Son | — | California |
| 57 | Roger A Mazzi | 60 | Head | Chauffeur | Italy |
| 58 | Eleanora Mazzi | 49 | Wife | — | Italy |
| 59 | Edith Mazzi | 44 | Daughter | — | California |
| 60 | Rudolph Mazzi | 17 | Son | — | California |
| 61 | John Rudoni | 30 | Boarder | — | California |
| 62 | Joseph Ravello | 41 | Head | Window Cleaner | Italy |
| 63 | Mary Ravello | 34 | Wife | Laundry Worker | Italy |
| 64 | Eleanor Ravello | 14 | Daughter | — | Calif |
| 65 | Julio Ravello | 12 | Son | — | California |
| 66 | John Conheny | 60 | Head | Watchman | Eire |
| 67 | Wilhelmina Conheny | 35 | Wife | — | California |
| 68 | Patrick Conheny | 12 | Son | — | California |
| 69 | John Conheny | 10 | Son | — | California |
| 70 | Margaret Conheny | 9 | Daughter | — | California |
| 71 | Thomas Conheny | 8 | Son | — | California |
| 72 | Anna Conheny | 6 | Daughter | — | California |
| 73 | John Mitchell | 52 | Head | Plumber | California |
| 74 | Anna Mitchell | 49 | Wife | — | California |
| 75 | Rose Mitchell | 25 | Daughter | Clerical | California |
| 76 | John Mitchell THIS PERSON | 21 | Son | Clerk | California |
| 77 | Francis Mitchell | 20 | Daughter | Stenographer | California |
| 78 | Alice Mitchell | 18 | Daughter | — | California |
| 79 | Lawrence Mitchell | 12 | Son | — | California |
| 80 | Bernard Mitchell | 9 | Son | — | California |
Related Census Records
Pedigree Summary
John + 5 siblings
Gen 1 · 5 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)