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Kenneth Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Kenneth Martin across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Martin |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Detroit 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| John Devon | Son | — | 19 | ~1921 |
| Alice Martin | Daughter | — | 2 | ~1938 |
| Harry Martin | Son | — | 7 | ~1933 |
| Richard Martin | Son | — | 14 | ~1926 |
| Juanita Martin | Daughter | — | 8 | ~1932 |
| Kenneth Martin | Son | — | 12 | ~1928 |
| Lydia Devon | Spouse | — | 39 | ~1901 |
| Leo Martin | Son | — | 16 | ~1924 |
| Margaret Martin | Daughter | — | 4 | ~1936 |
Census Appearances
1930
Wayne, Michigan
Son, age 1
Wayne, Michigan · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Wayne-County, Michigan
Son, age 12
Wayne-County, Michigan · implied b. ~1928 — 9 household members
| Surname | Martin |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Kenneth Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Kenneth Martin
Son · 1940 · age 12 · b. ~1928 · Michigan
★ You are viewing this record
Sibling
Richard Martin
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Martin
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Devon
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Martin
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Martin
Sibling · 1940 · age 7
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01888-00408)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lydia Devon | 39 | Wife | — | Kentucky |
| 42 | John Devon | 19 | Son | Labourer | Kentucky |
| 43 | — | None | — | — | — |
| 44 | Leo Martin | 16 | Son | — | Indiana |
| 45 | Richard Martin | 14 | Son | — | Indiana |
| 46 | Kenneth Martin THIS PERSON | 12 | Son | — | Illinois |
| 47 | Juanita Martin | 8 | Daughter | — | Michigan |
| 48 | Harry Martin | 7 | Son | — | Michigan |
| 49 | Margaret Martin | 4 | Daughter | — | Michigan |
| 50 | Alice Martin | 2 | Daughter | — | Michigan |
| 51 | Guy B. Thompson | 30 | Head | Mail Clerk | New York |
| 52 | Elizabeth Thompson | 27 | Wife | — | Connecticut |
| 53 | Thomas Thompson | 2 | Son | — | Michigan |
| 54 | Elizabeth Thompson | 1 | Daughter | — | Michigan |
| 55 | — | None | — | — | — |
| 56 | Raymond Kallmeyer | 47 | Head | Shoe Clerk | Michigan |
| 57 | Alma Kallmeyer | 45 | Wife | — | New Jersey |
| 58 | Herbert Kallmeyer | 18 | Son | Mechanic | Michigan |
| 59 | Alvin Kallmeyer | 17 | Son | — | Michigan |
| 60 | Leslie Kallmeyer | 23 | Son | Salesman | Michigan |
| 61 | Gertrude Kallmeyer | 22 | Daughter | — | Canada-English |
| 62 | Carl F. Wendt | 62 | Head | Plumber | Germany |
| 63 | Jessie Wendt | 43 | Wife | — | Scotland |
| 64 | David Wendt | 23 | Son | Shipping Clerk | Illinois |
| 65 | Elizabeth Wendt | 19 | Daughter | — | Scotland |
| 66 | Carl D. Studevant | 55 | Head | Gear Lapper | Ohio |
| 67 | Bessie Studevant | 50 | Wife | — | Ohio |
| 68 | Robert Studevant | 25 | Son | Street Cleaner | Ohio |
| 69 | Ralph Studevant | 22 | Son | Messenger | Ohio |
| 70 | Riley F. Ely | 44 | Head | Machine Repairman | Michigan |
| 71 | Clara L. Ely | 42 | Wife | — | Michigan |
| 72 | Geraldine Ely | 17 | Daughter | — | Michigan |
| 73 | Daniel F. Manning | 35 | Lodger | Crane Operator | Kentucky |
| 74 | Robert C. Sanders | 36 | Head | Floor Sander | Missouri |
| 75 | Louise Sanders | 36 | Wife | — | Virginia |
| 76 | Oliver H. La Combe | 32 | Head | Foreman | Canada-English |
| 77 | Kathleen La Combe | 30 | Wife | — | Canada-English |
| 78 | John A. Hopkins | 32 | Head | Mechanic | Michigan |
| 79 | Bernice Hopkins | 29 | Wife | — | Michigan |
| 80 | Reva Pruenel | 19 | Sister-in-law | Stenographer | 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)