RM
Robert Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cuyahoga-County, Ohio
Our Model Tree links this Robert Martin across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed), with identified parents Patrick & Robert — first a head (b.~1902), then head of a 3-person household.
Age 38
b. ~1902
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cuyahoga-County, Ohio |
| Surname | Martin |
| Given Name | Robert D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Sheet metal worker |
| Industry | Rayon Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Sheet Metal Worker |
| Township / Ward | Cleveland |
| Est. Birth Year | ~1902 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Winifred Martin | Daughter | — | 7 | ~1933 |
| Robert Martin | Head | — | 38 | ~1902 |
| Agatha Martin | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Cuyahoga, Ohio
Son, age 17
Cuyahoga, Ohio · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Mach Hand |
| Industry | Paper Box Fdy |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Cuyahoga, Ohio
Son, age 28
Cuyahoga, Ohio · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Shipping Clerk |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Cuyahoga-County, Ohio
Head, age 38
Cuyahoga-County, Ohio · implied b. ~1902 — 3 household members
| Surname | Martin |
| Given Name | Robert D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Cleveland |
| 1935 Residence (County) | Cuyahoga |
| Naturalization Status | First papers filed |
| Occupation | Sheet metal worker |
| Industry | Rayon Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Robert Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Martin (~0.92 confidence) and father Robert Martin (~0.92 confidence) and mother Annie Martin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Robert Martin
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Annie Martin
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Martin
Head · 1940 · age 38 · b. ~1902 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cuyahoga-County, Ohio
Open full size
1940 US Federal Census — Cuyahoga-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03238-00074)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Mangan | 42 | Head | — | Ohio |
| 42 | Elizabeth Mangan | 41 | Wife | — | Pennsylvania |
| 43 | John Jr Mangan | 19 | Son | New Worker | Ohio |
| 44 | Thomas V Mangan | 17 | Son | — | Ohio |
| 45 | Kathryn Mangan | 13 | Daughter | — | Ohio |
| 46 | Clare Mangan | 11 | Daughter | — | Ohio |
| 47 | Phyllis Mangan | 12 | Daughter | — | Ohio |
| 48 | Andrew Beckers | 48 | Head | Automobile Mechanic | Germany |
| 49 | Leo H Remy | 41 | Head | Painter | Alabama |
| 50 | Olivia R Remy | 32 | Wife | — | Mississippi |
| 51 | Robert D Murray | 31 | Head | Salesman | Ohio |
| 52 | Sarah Murray | 26 | Wife | — | Ohio |
| 53 | Patricia Murray | 2 | Daughter | — | Ohio |
| 54 | Rose Mary Murray | 0 | Daughter | — | Ohio |
| 55 | Robert D Martin THIS PERSON | 38 | Head | Sheet Metal Worker | Scotland |
| 56 | Agatha W Martin | 41 | Wife | — | England |
| 57 | Winifred M Martin | 7 | Daughter | — | Ohio |
| 58 | Rocco Dragonette | 27 | Head | Manager | Ohio |
| 59 | Nora R Dragonette | 25 | Wife | — | Ohio |
| 60 | Frank Schmidt | 36 | Head | Janitor | Germany |
| 61 | Hildegarde Schmidt | 33 | Wife | — | Germany |
| 62 | Edward Schmidt | 9 | Son | — | Ohio |
| 63 | Alvin Schmidt | 8 | Son | — | Ohio |
| 64 | Paul D Schmidt | 1 | Son | — | Ohio |
| 65 | David Hintz | 37 | Lodger | Carpenter | Ohio |
| 66 | Russell Richmond | 28 | Head | Program Director | New York |
| 67 | Beatrice Richmond | 28 | Wife | — | Ohio |
| 68 | Craig Richmond | 5 | Son | — | Ohio |
| 69 | Edward Schwarzer | 55 | Head | Contractor | Ohio |
| 70 | Ruth R Schwarzer | 49 | Wife | — | Ohio |
| 71 | Addis Hallock | 52 | Head | Policeman | Ohio |
| 72 | Alberta R Hallock | 47 | Wife | — | Ohio |
| 73 | Albert Hallock | 24 | Son | Chauffeur | Ohio |
| 74 | John Kinghorn | 29 | Head | Shipping Clerk | Scotland |
| 75 | Belva R Kinghorn | 27 | Wife | — | Ohio |
| 76 | Steven Truppa | 45 | Head | Interior Decorator | Italy |
| 77 | Carmella Truppa | 37 | Wife | — | Wisconsin |
| 78 | Gilda Truppa | 8 | Daughter | — | Ohio |
| 79 | Amelia Truppa | 5 | Daughter | — | Ohio |
| 80 | Raymond Wendt | 31 | Head | Switchman | Ohio |
Pedigree Summary
Robert
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)