RC
Robert Collins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Robert Collins across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents Herbert & May — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Collins |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Butler Township |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Machinist |
| Industry | Electrical |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Machinist |
| Township / Ward | Butler Township |
| 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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Letha Collins | Daughter | — | 20 | ~1920 |
| Herbert Collins | Head | — | 48 | ~1892 |
| Wilbert Collins | Son | — | 23 | ~1917 |
| James Collins | Son | — | 17 | ~1923 |
| Robert Collins | Son | — | 21 | ~1919 |
| May Collins | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Montgomery, Ohio
Son, age 1
Montgomery, Ohio · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Robert V |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Speaks English | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Son, age 11
Montgomery, Ohio · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Son, age 21
Montgomery-County, Ohio · implied b. ~1919 — 6 household members
| Surname | Collins |
| Given Name | Robert S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Butler Township |
| 1935 Residence (County) | Montgomery |
| Occupation | Machinist |
| Industry | Electrical |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Collins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herbert Collins (~0.92 confidence) and mother May Collins (~0.92 confidence) and mother May Collins (~0.92 confidence) and father Herbert Collins (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herbert Collins
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
May Collins
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
May Collins
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
Herbert Collins
b. ~1892
Source father
● Household
· direct · ~0.92
This person
Anchor record
Robert Collins
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
James Collins
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Letha Collins
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbert Collins
Sibling · 1940 · age 23
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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03118-00058)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ethel E. Heaver | 60 | Wife | — | England |
| 2 | Fred Iring | 62 | Head | Farmer | Germany |
| 3 | Ida May Iring | 64 | Wife | — | Ohio |
| 4 | Lewis Iring | 27 | Son | Farmer | Ohio |
| 5 | Elmer Iring | 25 | Son | Moulder | Ohio |
| 6 | Ida May Iring | 21 | Daughter | — | Ohio |
| 7 | George A. Landistel | 55 | Head | Machinist | Ohio |
| 8 | Cora Landistel | 59 | Wife | — | Ohio |
| 9 | Ellis Ann Landistel | 29 | Daughter | Saleslady | Ohio |
| 10 | Yvonna Landistel | 18 | Daughter | — | Ohio |
| 11 | Asworth Collins | 27 | Head | Tool Maker | Ohio |
| 12 | Mabel D. Collins | 27 | Wife | — | Ohio |
| 13 | Nancy Lou Collins | 4 | Daughter | — | Ohio |
| 14 | Celia Ann Collins | 2 | Daughter | — | Ohio |
| 15 | Francis S. Carlson | 37 | Head | Assistant Supt | Mich |
| 16 | Charlotte V. Carlson | 33 | Wife | — | Mich |
| 17 | Jeanne Carlson | 3 | Daughter | — | Mich |
| 18 | J. Oscar Carlson | 76 | Head | — | Sweden |
| 19 | Ellen M. Carlson | 64 | Wife | — | Mich |
| 20 | Herbert S. Collins | 48 | Head | Service-Man | Ohio |
| 21 | May Collins | 49 | Wife | — | Ohio |
| 22 | Wilbert S. Collins | 23 | Son | — | Ohio |
| 23 | Letha M. Collins | 20 | Daughter | Clerk | Ohio |
| 24 | Robert S. Collins THIS PERSON | 21 | Son | Machinist | Ohio |
| 25 | James W. Collins | 17 | Son | — | Ohio |
| 26 | Clyde Collins | 26 | Head | Machinist | Ohio |
| 27 | Ruth E. Collins | 22 | Wife | — | Ky |
| 28 | Curtis Breckfield | 37 | Head | Farmer | Ohio |
| 29 | Nora Breckfield | 35 | Wife | — | Ohio |
| 30 | Fred Breckfield | 15 | Son | — | Ohio |
| 31 | John Breckfield | 13 | Son | — | Ohio |
| 32 | Homer Breckfield | 8 | Son | — | Ohio |
| 33 | Dorothy Breckfield | 5 | Son | — | Ohio |
| 34 | Rolla Moore | 55 | Head | W.P.A. | Ohio |
| 35 | Willie Bessie Moore | 48 | Lodger | — | Ohio |
| 36 | Fredrick G.W. Meyer | 43 | Head | Machinist | Ohio |
| 37 | Ethel Meyer | 35 | Wife | — | Ohio |
| 38 | Lorin Storms | 39 | Head | Trucking | Ohio |
| 39 | Dora Storms | 39 | Wife | — | Ohio |
| 40 | Dara Storms | 15 | Daughter | — | Ohio |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 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)