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John Richardson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this John Richardson across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1919), then head of a 2-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Richardson |
| Given Name | John L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Hours Worked | 8 |
| Income (1939) | 240 |
| Highest Grade | C 1 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit |
| 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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mabel Richardson | Head | — | 50 | ~1890 |
| John Richardson | Son | — | 21 | ~1919 |
Census Appearances
1920
Wayne, Michigan
Son, age 1
Wayne, Michigan · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | John L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Wayne, Michigan
Son, age 11
Wayne, Michigan · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Richardson |
| Given Name | John L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 21
Wayne-County, Michigan · implied b. ~1919 — 2 household members
| Surname | Richardson |
| Given Name | John L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit |
| 1935 Residence (County) | Wayne |
| Hours Worked | 8 |
| Income (1939) | 240 |
| Highest Grade | C 1 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Richardson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Richardson (~0.92 confidence) and father John Richardson (~0.92 confidence) and mother Mabel Richardson (~0.92 confidence) and mother Mabel Richardson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Richardson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
John Richardson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Mabel Richardson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Mabel Richardson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Richardson
Son · 1940 · age 21 · b. ~1919 · Michigan
★ 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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01890-00649)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace W | 42 | Wife | — | Michigan |
| 2 | Donald B | 15 | son | — | Michigan |
| 3 | Levi H Walker | 61 | Head | Owner | England |
| 4 | Dora B Walker | 61 | Wife | — | England |
| 5 | Lillian Walker | 27 | daughter | — | Michigan |
| 7 | William B Lampe | 34 | Head | Editor | Pennsylvania |
| 8 | Harriet B Lampe | 33 | Wife | — | Pennsylvania |
| 9 | Keith R Lampe | 8 | son | — | Pennsylvania |
| 10 | Ealin R Lampe | 5 | daughter | — | Michigan |
| 11 | Seth R Lampe | 2 | son | — | Michigan |
| 12 | Marion Campbell | 19 | maid | Maid | Michigan |
| 13 | Nat. W Hopkins | 43 | Head | Publicity Director | Illinois |
| 14 | Genevieve M Hopkins | 42 | Wife | — | Michigan |
| 15 | James A Hopkins | 17 | son | Delivery Boy | Michigan |
| 16 | John M Hopkins | 13 | son | — | Michigan |
| 17 | Fred W Hopkins | 13 | son | — | Michigan |
| 18 | William C Boyle | 42 | Head | Cost Accountant | Pennsylvania |
| 19 | Grace S Boyle | 37 | Wife | — | Michigan |
| 20 | Alice G Boyle | 13 | daughter | — | Michigan |
| 21 | Mary Grace Boyle | 9 | daughter | — | Michigan |
| 22 | Althea Parent | 60 | mother | — | Canada |
| 23 | Jos Wehmeyer | 46 | Head | Traffic Engineer | Indiana |
| 24 | Helen Wehmeyer | 45 | Wife | — | Ohio |
| 25 | David Wehmeyer | 16 | son | — | Michigan |
| 26 | Mark Wehmeyer | 14 | son | — | Michigan |
| 27 | Mabel Richardson | 50 | Head | — | Michigan |
| 28 | John L Richardson THIS PERSON | 21 | son | — | Michigan |
| 29 | Edward Rodman | 62 | Head | Non Production Foreman | Michigan |
| 30 | Edith S Rodman | 60 | Wife | — | Ohio |
| 31 | Walter C Tristael | 57 | Head | Type Writer Salesman | Ohio |
| 32 | Grace M Tristael | 57 | Wife | — | Michigan |
| 33 | Harold G Norburg | 48 | Head | Mechanical Engineer | Sweden |
| 34 | Minnie M Norburg | 44 | Wife | — | Illinois |
| 35 | Kenneth Norburg | 24 | son | Tool Grinder | Ohio |
| 36 | Ethel Norburg | 22 | daughter | — | New York |
| 37 | George S Brudey | 45 | Head | Dentist | Michigan |
| 38 | Julia W Brudey | 46 | Wife | — | Michigan |
| 39 | William W Brudey | 13 | son | — | Michigan |
| 40 | Julianne Brudey | 8 | daughter | — | Michigan |
Pedigree Summary
John
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)