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Arthur Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this Arthur Martin across the 1920, 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed), with identified parents Henry & Barbara — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Martin |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Occupation | Attendant |
| Industry | Gasoline Filling Station |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 600 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Attendant |
| Township / Ward | South Bend |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Martin | Daughter | — | 18 | ~1922 |
| Barbara Martin | Head | — | 45 | ~1895 |
| Robert Martin | Son | — | 15 | ~1925 |
| Arthur Martin | Son | — | 21 | ~1919 |
| Henry Martin | Son | — | 6 | ~1934 |
| James Martin | Son | — | 9 | ~1931 |
Census Appearances
1920
St Joseph, …
Other, age 1
St Joseph, Indiana · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Arthur A. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
St Joseph, …
Son, age 11
St Joseph, Indiana · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Arthur A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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
St.-Joseph-County, Indiana
Son, age 21
St.-Joseph-County, Indiana · implied b. ~1919 — 6 household members
| Surname | Martin |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Occupation | Attendant |
| Industry | Gasoline Filling Station |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 600 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Arthur Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Martin (~0.92 confidence) and mother Barbara Martin (~0.92 confidence) and mother Barbara Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Martin
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Barbara Martin
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Barbara Martin
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Martin
Son · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Henry Martin
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Martin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Martin
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Martin
Sibling · 1940 · age 9
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.-Joseph-County, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01135-00867)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eugene Dylewski | 5 | Son | — | Indiana |
| 42 | Louis Dylewski | 3 | Son | — | Indiana |
| 43 | John Dylewski | 0 | Son | — | Indiana |
| 44 | Rubin Harnan | 53 | Head | Laborer | Indiana |
| 45 | Sarah @ Harnan | 49 | Wife | — | Indiana |
| 46 | Beryl Harnan | 18 | Daughter | Clerk | Indiana |
| 47 | Edward Harnan | 15 | Son | — | Indiana |
| 48 | Sylvia Harnan | 12 | Daughter | — | Indiana |
| 49 | Jacob Walters | 87 | Father-in-law | — | Ohio |
| 50 | Barbara @ Martin | 45 | Head | — | Indiana |
| 51 | Arthur Martin THIS PERSON | 21 | Son | Attendant | Indiana |
| 52 | Dorothy Martin | 18 | Daughter | — | Indiana |
| 53 | Robert Martin | 15 | Son | Paper Boy | Indiana |
| 54 | James Martin | 9 | Son | — | Indiana |
| 55 | Henry Martin | 6 | Son | — | Indiana |
| 56 | Donald Chamberlain | 33 | Head | Lithographer | Indiana |
| 57 | Florence Chamberlain | 29 | Wife | — | Illinois |
| 58 | Lorraine Chamberlain | 9 | Daughter | — | Indiana |
| 59 | Donald Jr. Chamberlain | 0 | Son | — | Indiana |
| 60 | Joseph Boylan | 62 | Father-in-law | — | Iowa |
| 61 | Catherine Boylan | 58 | Mother-in-law | — | Canada-French |
| 63 | Achiel @ Deloof | 52 | Head | Cement Mixer | Belgium |
| 64 | Mary Deloof | 51 | Wife | — | Belgium |
| 65 | Roger Deloof | 19 | Son | New Worker | Indiana |
| 66 | Irene Deloof | 19 | Daughter | New Worker | Indiana |
| 67 | Esther Deloof | 16 | Daughter | — | Indiana |
| 68 | Rancy Deloof | 14 | Son | — | Indiana |
| 69 | Henry @ Verhaeghe | 45 | Head | — | Belgium |
| 70 | Erma Verhaeghe | 40 | Wife | — | Belgium |
| 71 | Richard Hossler | 26 | Head | Assembler | Indiana |
| 72 | Pauline @ Hossler | 25 | Wife | — | Michigan |
| 73 | Mildred Hossler | 5 | Daughter | — | Indiana |
| 74 | Lorretta L. Hossler | 1 | Daughter | — | Indiana |
| 75 | Solmon Paquin | 77 | Head | — | Wisconsin |
| 76 | Loodie @ Paquin | 64 | Wife | — | Indiana |
| 77 | Casimir @ Kaminiecki | 32 | Head | Finisher | Indiana |
| 78 | Alice Kaminiecki | 27 | Wife | — | Michigan |
| 79 | Beverly Kaminiecki | 1 | Son | — | Indiana |
Pedigree Summary
Arthur + 4 siblings
Gen 1 · 3 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)