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Kenneth Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blackford-County, Indiana
Our Model Tree links this Kenneth Martin across the 1930 and 1940 US Censuses in Blackford-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blackford-County, Indiana |
| Surname | Martin |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Hartford City |
| 1935 Residence (County) | Blackford |
| Additional Details | |
| Occupation | truck driver |
| Industry | transportation |
| Class of Worker | OA |
| Hours Worked | 53 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Truck Driver |
| Township / Ward | Hartford City |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Sharon Martin | Daughter | — | 1 | ~1939 |
| Bernice Martin | Spouse | — | 42 | ~1898 |
| Donna Martin | Daughter | — | 13 | ~1927 |
| Samuel Martin | Son | — | 3 | ~1937 |
| Joyce Martin | Daughter | — | 8 | ~1932 |
| Bonnie Bailey | Other | — | ~1940 | |
| Kenneth Martin | Son | — | 19 | ~1921 |
| Adalene Baily | Daughter | — | 18 | ~1922 |
| Samuel Martin | Head | — | 42 | ~1898 |
| Darwin Martin | Son | — | 16 | ~1924 |
Census Appearances
1930
Blackford, Indiana
Son, age 9
Blackford, Indiana · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Blackford-County, Indiana
Son, age 19
Blackford-County, Indiana · implied b. ~1921 — 10 household members
| Surname | Martin |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Hartford City |
| 1935 Residence (County) | Blackford |
| Occupation | truck driver |
| Industry | transportation |
| Class of Worker | OA |
| Hours Worked | 53 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 19 · b. ~1921 · Indiana
★ You are viewing this record
Sibling
Joyce Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Martin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sharon Martin
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darwin Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Adalene Baily
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Martin
Sibling · 1940 · age 3
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 — Blackford-County, Indiana
Open full size
1940 US Federal Census — Blackford-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01027-00632)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Isabelle Lewis | 24 | Wife | — | Indiana |
| 42 | John F Lewis | 4 | Son | — | Indiana |
| 43 | Thomas Alice Lewis | 1 | Daughter | — | Indiana |
| 44 | Olive V Martin | 73 | Head | — | Michigan |
| 45 | Samuel J Martin | 42 | Head | Truck Driver | Indiana |
| 46 | Bernice Martin | 42 | Wife | — | Indiana |
| 47 | Kenneth Martin THIS PERSON | 19 | Son | Truck Driver | Indiana |
| 48 | Adalene Baily | 18 | Daughter | — | Indiana |
| 49 | Darwin Martin | 16 | Son | — | Indiana |
| 50 | Donna Martin | 13 | Daughter | — | Indiana |
| 51 | Joyce Lee Martin | 8 | Daughter | — | Indiana |
| 52 | Samuel Martin | 3 | Son | — | Indiana |
| 53 | Sharon Martin | 1 | Daughter | — | Indiana |
| 54 | Bonnie Bailey | 0 | Granddaughter | — | Indiana |
| 55 | Clayton C Wright | 34 | Head | Prosecutor | Indiana |
| 56 | Catherine Wright | 32 | Wife | — | Indiana |
| 57 | James Black | 65 | Head | Watchman | Indiana |
| 58 | Clara Black | 62 | Wife | — | Indiana |
| 59 | Henry J Martin | 43 | Head | Millwright | Indiana |
| 60 | Edna Martin | 40 | Wife | — | Indiana |
| 61 | Jack Groom | 18 | Daughter | — | Indiana |
| 62 | Virginia Martin | 17 | Daughter | — | Indiana |
| 63 | E Esther Martin | 14 | Daughter | — | Indiana |
| 64 | Helen Martin | 13 | Daughter | — | Indiana |
| 65 | Ada Martin | 10 | Daughter | — | Indiana |
| 66 | Belsa Martin | 9 | Daughter | — | Indiana |
| 67 | Betty Martin | 7 | Daughter | — | Indiana |
| 68 | Colleen Martin | 5 | Daughter | — | Indiana |
| 69 | Charles D Cruey | 21 | Brother-in-law | Plumber | Kentucky |
| 70 | Charles Jr Cruey | 0 | Son | — | Indiana |
| 71 | George W Redding | 52 | Head | Street Worker | New York |
| 72 | Esther Redding | 42 | Wife | — | Indiana |
| 73 | Irma Adair | 22 | Daughter | — | Indiana |
| 74 | Vaughn R Reynolds | 39 | Head | Machine Operator | Indiana |
| 75 | Euphemia Reynolds | 39 | Wife | — | Indiana |
| 76 | Charles D Stigall | 57 | Head | Machine Operator | Indiana |
| 77 | Marie Stigall | 28 | Wife | — | Indiana |
| 78 | Marilyn Stigall | 7 | Daughter | — | Indiana |
| 79 | Josephine Stigall | 5 | Daughter | — | Indiana |
| 80 | John M Stigall | 3 | Son | — | Indiana |
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)