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James Stephenson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this James Stephenson across the 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Stephenson |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Marine City |
| 1935 Residence (County) | St. Clair |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Marine City |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Stephenson | Daughter | — | 29 | ~1911 |
| Robert Stephenson | Son | — | 16 | ~1924 |
| Luke Stephenson | Head | — | 57 | ~1883 |
| Anna Stephenson | Daughter | — | 19 | ~1921 |
| James Stephenson | Son | — | 12 | ~1928 |
| Ida Stephenson | Spouse | — | 55 | ~1885 |
| Theresa Stephenson | Daughter | — | 14 | ~1926 |
Census Appearances
1930
St Clair, …
Son, age 2
St Clair, Michigan · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stephenson |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Son, age 12
St.-Clair-County, Michigan · implied b. ~1928 — 7 household members
| Surname | Stephenson |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Marine City |
| 1935 Residence (County) | St. Clair |
| Highest Grade | No 5 |
| 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 James Stephenson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Stephenson
Son · 1940 · age 12 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Mary Stephenson
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Stephenson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Stephenson
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Stephenson
Sibling · 1940 · age 16
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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01815-00709)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stanley H. Lester | 29 | Head | Laborer | Michigan |
| 2 | Jeanette R. Lester | 21 | Wife | — | Michigan |
| 3 | Karl L. Lester | 4 | Son | — | Michigan |
| 4 | Milton E. Lester | 1 | Son | — | Michigan |
| 5 | Wilbur J. Miller | 22 | Head | Laborer | Michigan |
| 6 | June G. Miller | 21 | Wife | — | Michigan |
| 7 | Charles F. Jr. Cottrell | 32 | Head | Wheelman | Michigan |
| 8 | Veronica E. Cottrell | 30 | Wife | — | Michigan |
| 9 | Marilyn V. Cottrell | 6 | Daughter | — | Michigan |
| 10 | Virginia Grifford | 14 | Lodger | — | Michigan |
| 11 | Margaret Lutheran | 18 | Lodger | — | Michigan |
| 12 | Thomas J. Guyer | 30 | Head | Salesman | Michigan |
| 13 | Fay C. Guyer | 30 | Wife | — | Michigan |
| 14 | Brenda L. Guyer | 3 | Daughter | — | Michigan |
| 15 | James A. Miller | 22 | Head | Machinist | Michigan |
| 16 | Marjorie E. Miller | 20 | Wife | — | Canada |
| 17 | Susan G. Miller | 1 | Daughter | — | Michigan |
| 18 | Bernard D. Stockwell | 29 | Head | Engineer 2Nd | Michigan |
| 19 | Evelyn M. Stockwell | 24 | Wife | — | Michigan |
| 20 | John D. Stockwell | 1 | Son | — | Michigan |
| 21 | Stella L. Furbush | 56 | Head | Owner | Michigan |
| 22 | Mary E. Furbush | 17 | Daughter | New Worker | Michigan |
| 23 | Howard L. Furbush | 13 | Son | — | Michigan |
| 24 | Josephine M. Vollmar | 73 | Head | — | Michigan |
| 25 | Regina H. Hapgood | 39 | Daughter | — | Michigan |
| 26 | Hershel J. Hapgood | 53 | Son-in-law | Laborer | Vermont |
| 27 | Edward Van Sandt | 14 | Lodger | New Worker | Michigan |
| 28 | Stewart Elliott | 12 | Lodger | — | Michigan |
| 29 | Luke J. Stephenson | 57 | Head | Fireman (Sta) | Michigan |
| 30 | Ida V. Stephenson | 55 | Wife | — | Michigan |
| 31 | Mary F. Stephenson | 29 | Daughter | Seamstress | Michigan |
| 32 | Anna M. Stephenson | 19 | Daughter | Labor | Michigan |
| 33 | Robert L. Stephenson | 16 | Son | — | Michigan |
| 34 | Theresa E. Stephenson | 14 | Daughter | — | Michigan |
| 35 | James A. Stephenson THIS PERSON | 12 | Son | — | Michigan |
| 36 | Curtis S. Lester | 70 | Head | Steamfitter | Michigan |
| 37 | Addie L. Lester | 58 | Wife | — | Canada, Eng. |
| 38 | Ralph C. Lester | 32 | Son | Trimmer (Paint) | Michigan |
| 39 | Emma R. Lester | 26 | Daughter | Laborer | Michigan |
| 40 | Gertrude S. Lester | 18 | Daughter | Laborer | Michigan |
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)