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John Mitchell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this John Mitchell across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents W & Jan — first a son (b.~1918), then head of a 2-person household.
Age 22
b. ~1918
Male
Son
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Occupation | Janitor |
| Industry | Apt House |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 740 |
| Highest Grade | H 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Janitor |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1918 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jan Mitchell | Head | — | 42 | ~1898 |
| John Mitchell | Son | — | 22 | ~1918 |
Census Appearances
1920
X, Maryland
Son, age 1
X, Maryland · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | none |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 22
Baltimore-City-County, Maryland · implied b. ~1918 — 2 household members
| Surname | Mitchell |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Janitor |
| Industry | Apt House |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 740 |
| Highest Grade | H 5 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 3 locations, using XGBoost record linkage. Identified parents: father W Mitchell (~0.92 confidence) and father Jan Mitchell (~0.92 confidence) and father John Mitchell (~0.92 confidence) and mother Elizabeth Mitchell (~0.92 confidence) and mother Gertrude Mitchell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Mitchell
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Jan Mitchell
b. ~1898
Source father
● Household
· direct · ~0.92
Father
John Mitchell
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Mitchell
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Gertrude Mitchell
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mitchell
Son · 1940 · age 22 · b. ~1918 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01520-00418)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Richardson | 30 | Head | Porter | Virginia |
| 2 | Hamilton Johns | 34 | Lodger | Porter | Virginia |
| 3 | Margaret Staples | 26 | Lodger | Maid | Maryland |
| 4 | Annabelle Staples | 11 | Lodger | — | Maryland |
| 5 | Minnie Smith | 55 | Head | — | Maryland |
| 6 | Jan Mitchell | 42 | Head | Janitor | North Carolina |
| 7 | John Mitchell THIS PERSON | 22 | Son | Janitor | Maryland |
| 8 | Albert King | 46 | Head | Helper | Georgia |
| 9 | Pearl King | 39 | Wife | Cook | South Carolina |
| 10 | Mary Gibbs | 31 | Lodger | — | Maryland |
| 11 | David Sutton | 45 | Head | Dishwasher | Virginia |
| 12 | Joseph White | 47 | Head | Window Cleaner | Maryland |
| 13 | Jacob Andre | 42 | Head | Laborer | Maryland |
| 14 | Wilbur Ringgold | 22 | Lodger | Helper | Maryland |
| 15 | Adele Logan | 51 | Head | Bookkeeper | New York |
| 16 | Anna Logan | 57 | Sister | — | New York |
| 17 | Willie Boole | 71 | Head | Physician | Germany |
| 18 | Gertrude Boole | 57 | Wife | Social Worker | Maryland |
| 19 | Alice C. Farrell | 31 | Head | School | Maryland |
| 20 | Mary F. Farrell | 29 | Sister | School | Maryland |
| 21 | Hilda Keeton | 36 | Lodger | School | Maryland |
| 22 | Margaret Nesbitt | 35 | Lodger | School | Maryland |
| 23 | Carrie Dorney | 69 | Head | — | Pennsylvania |
| 24 | Carolyn Dorney | 27 | Daughter | Stenographer | West Virginia |
| 25 | Grace Elzi | 45 | Lodger | Stenographer | Maryland |
| 26 | Caroline Hill | 59 | Head | — | Maryland |
| 27 | Annie Price | 61 | Daughter | — | Maryland |
| 28 | Mary Davis | 35 | Head | — | Pennsylvania |
| 29 | Roy W. Mcleod | 42 | Head | Salesman | Maryland |
| 30 | Evelyn Mcleod | 32 | Wife | Telephone Oper. | Maryland |
| 31 | Sue Katz | 42 | Head | Dressmaker | Pennsylvania |
| 32 | Estelle Blunt | 57 | Head | Nurse | Maryland |
| 33 | William Johnson | 60 | Head | Janitor | Maryland |
| 34 | Maria Johnson | 56 | Wife | Cook | Maryland |
| 35 | Samuel Hoover | 71 | Head | — | Maryland |
| 36 | Kellen K. Hoover | 68 | Wife | — | Maryland |
| 37 | Grace A. Brumbaugh | 63 | Head | — | Maryland |
| 38 | Ethel Hartman | 39 | Head | Receptionist | Maryland |
| 39 | Eulalia Cox | 48 | Head | Public Health Nurse | West Virginia |
Pedigree Summary
John
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)