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Julia Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Julia Martin across the 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 3-person household.
Age 74
b. ~1866
Female
Spouse
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Martin |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Butler |
| Naturalization Status | Naturalized |
| Additional Details | |
| Hours Worked | 5 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Township / Ward | Hamilton |
| Est. Birth Year | ~1866 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Robert Martin | Son | — | 31 | ~1909 |
| Julia Martin | Spouse | — | 74 | ~1866 |
| Emil Martin | Head | — | 85 | ~1855 |
Census Appearances
1920
Butler, Ohio
Spouse, age 53
Butler, Ohio · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Germany |
| Year of Naturalization | 1885 |
| Birthplace (normalized) | germany |
1930
Butler, Ohio
Spouse, age 64
Butler, Ohio · implied b. ~1866 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | Germany |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Yes |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | 1879 |
| Radio Set | Yes |
| Veteran | V |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Butler-County, Ohio
Spouse, age 74
Butler-County, Ohio · implied b. ~1866 — 3 household members
| Surname | Martin |
| Given Name | Julia |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Hamilton |
| 1935 Residence (County) | Butler |
| Naturalization Status | Naturalized |
| Hours Worked | 5 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Julia Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Julia Martin
Spouse · 1940 · age 74 · b. ~1866 · Ohio
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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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03033-00153)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean H Smith | 26 | Wife | Saleswoman | Ohio |
| 2 | William Malone | 24 | Head | Truck Driver | Ohio |
| 3 | Mary A Malone | 22 | Wife | — | Ohio |
| 4 | Emil H Schellenbach | 61 | Head | Proprietor | Ohio |
| 5 | Louis Schellenbach | 28 | Son | Pharmacist | Ohio |
| 6 | Donald Schellenbach | 26 | Son | — | Ohio |
| 7 | Robert C Alcorn | 31 | Son-in-law | Clerk | Ohio |
| 8 | Ruth A Alcorn | 30 | Daughter | — | Ohio |
| 9 | — | None | — | — | — |
| 10 | — | None | — | — | — |
| 11 | — | None | — | — | — |
| 12 | Emil Martin | 85 | Head | — | Ohio |
| 13 | Julia Martin THIS PERSON | 74 | Wife | — | Germany |
| 14 | Robert E Martin | 31 | Son | Odd Jobs | Ohio |
| 15 | Josephine Riser | 66 | Head | — | France |
| 16 | Ben L Gibbons | 34 | Head | Machinist | Ohio |
| 17 | Alma Gibbons | 32 | Wife | — | Ohio |
| 18 | Marilyn Gibbons | 8 | Daughter | — | Ohio |
| 19 | Ray F Schmidt | 34 | Head | Shipping Clerk | Ohio |
| 20 | Thelma Schmidt | 29 | Wife | — | Ohio |
| 21 | Clyde Schmidt | 5 | Son | — | Ohio |
| 22 | David Schmidt | 2 | Son | — | Ohio |
| 23 | Gordon De Lano | 22 | Boarder | Apprentice | Ohio |
| 24 | Fred H Wagner | 27 | Head | Third Hand In Paper Making | Ohio |
| 25 | Mary L Wagner | 29 | Wife | — | Ohio |
| 26 | Anthony R Wagner | 1 | Son | — | Ohio |
| 27 | Jacob Wagner | 58 | Father | Screen Caster | Kentucky |
| 28 | Ray Wiseman | 27 | Head | Paper Finisher | Ohio |
| 29 | Emma J Wiseman | 25 | Wife | — | Ohio |
| 30 | Dan C Wiseman | 3 | Son | — | Ohio |
| 31 | Arthur H Wilson | 38 | Head | Assistant Buyer | Ohio |
| 32 | Helen C Wilson | 38 | Wife | — | Indiana |
| 33 | Helen L Wilson | 14 | Daughter | — | Ohio |
| 34 | Donald Rumpler | 25 | Head | Assistant Engineer | Ohio |
| 35 | Dorothy Rumpler | 22 | Wife | — | Ohio |
| 36 | Ellen Conner | 75 | Head | — | Ohio |
| 37 | John F Conner | 55 | Son | — | Ohio |
| 38 | Helene Conner | 35 | Daughter | Teacher | Ohio |
| 39 | Winifred Cahill | 62 | Head | — | Indiana |
| 40 | John Cahill | 26 | Son | Salesman | Ohio |
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)