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Daniel Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Daniel Martin across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 8-person household.
Age 43
b. ~1897
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Martin |
| Given Name | Daniel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | East Chicago |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Occupation | Laborer |
| Industry | Chemical Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1642 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Laborer |
| Township / Ward | East Chicago |
| Est. Birth Year | ~1897 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Daniel | Age | Birth yr |
|---|---|---|---|---|
| Clara Martin | Spouse | — | 40 | ~1900 |
| Mary Martin | Daughter | — | 19 | ~1921 |
| Daniel Martin | Son | — | 8 | ~1932 |
| Virginia Martin | Daughter | — | 15 | ~1925 |
| David Martin | Son | — | 4 | ~1936 |
| Daniel Martin | Head | — | 43 | ~1897 |
| Evelyn Martin | Daughter | — | 12 | ~1928 |
| Ruby Martin | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Lake, Indiana
Head, age 32
Lake, Indiana · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Daniel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 21 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Laborer |
| Industry | Chemical Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | Yes WW |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Lake-County, Indiana
Head, age 43
Lake-County, Indiana · implied b. ~1897 — 8 household members
| Surname | Martin |
| Given Name | Daniel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | East Chicago |
| 1935 Residence (County) | Lake |
| Occupation | Laborer |
| Industry | Chemical Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1642 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Daniel Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Daniel Martin
Head · 1940 · age 43 · b. ~1897 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01066-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harriet Thomas | 3 | Daughter | — | Indiana |
| 2 | Johnny Thomas | 1 | Son | — | Indiana |
| 3 | Geraldine Thomas | 0 | Daughter | — | Indiana |
| 4 | Edward Smith | 35 | Head | Laborer | Alabama |
| 5 | Beatrice Smith | 27 | Wife | — | Arkansas |
| 6 | Thelma Smith | 17 | Daughter | — | Arkansas |
| 7 | Dorothy Smith | 12 | Daughter | — | Missouri |
| 8 | Daniel Martin THIS PERSON | 43 | Head | Laborer | Mississippi |
| 9 | Clara Martin | 40 | Wife | — | Mississippi |
| 10 | Mary Martin | 19 | Daughter | — | Missouri |
| 11 | Ruby Martin | 17 | Daughter | — | Missouri |
| 12 | Virginia Martin | 15 | Daughter | — | Missouri |
| 13 | Evelyn Martin | 12 | Daughter | — | Indiana |
| 14 | Daniel Jr. Martin | 8 | Son | — | Indiana |
| 15 | David Martin | 4 | Son | — | Indiana |
| 16 | Dennis York | 35 | Head | Laborer | Illinois |
| 17 | Elmer York | 16 | Son | — | Illinois |
| 18 | Mary York | 14 | Daughter | — | Indiana |
| 19 | Jack York | 10 | Son | — | Illinois |
| 20 | Ann York | 8 | Daughter | — | Illinois |
| 21 | Teofil Sieracki | 48 | Head | Carpenter | Poland |
| 22 | Adella Sieracki | 35 | Wife | — | Poland |
| 23 | Anna Sieracki | 16 | Son | — | Indiana |
| 24 | George Sieracki | 15 | Son | — | Indiana |
| 25 | Eugene Sieracki | 13 | Son | — | Indiana |
| 26 | Yanka Sieracki | 11 | Daughter | — | Indiana |
| 27 | Leonard Sieracki | 7 | Son | — | Indiana |
| 28 | Sally Sieracki | 6 | Daughter | — | Indiana |
| 29 | Raymond Sieracki | 1 | Son | — | Indiana |
| 30 | Andy Kotwicz | 35 | Head | Welder | Hungary |
| 31 | Mary Kotwicz | 28 | Wife | — | Illinois |
| 32 | Rose Marie Kotwicz | 9 | Daughter | — | Indiana |
| 33 | Sally Kotwicz | 7 | Daughter | — | Indiana |
| 34 | Andrew Jr. Kotwicz | 4 | Son | — | Indiana |
| 35 | Extra Line | None | — | — | — |
| 36 | Extra Line | None | — | — | — |
| 37 | Extra Line | None | — | — | — |
| 38 | Nicholas Jr. Balogh | 27 | Head | Carpenter | Indiana |
| 39 | Celestia Balogh | 24 | Wife | — | Illinois |
| 40 | Daniel Balogh | 2 | 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)