MC
Martha Collins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Martha Collins across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 5-person household.
Age 12
b. ~1928
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Collins |
| Given Name | Martha Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton city |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1928 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Collins | Daughter | — | 12 | ~1928 |
| Mary Collins | Daughter | — | 22 | ~1918 |
| Bertha Collins | Spouse | — | 55 | ~1885 |
| Russell Collins | Son | — | 26 | ~1914 |
| Harry Collins | Head | — | 56 | ~1884 |
Census Appearances
1930
Montgomery, Ohio
Daughter, age 2
Montgomery, Ohio · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Collins |
| Given Name | Martha L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Daughter, age 12
Montgomery-County, Ohio · implied b. ~1928 — 5 household members
| Surname | Collins |
| Given Name | Martha Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton city |
| 1935 Residence (County) | Montgomery |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 Martha Collins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Collins
Daughter · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Mary Collins
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Collins
Sibling · 1940 · age 26
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-t0627-03253-00345)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard D. Joyner | 7 | Son | — | Tennessee |
| 2 | Julia A. Joyner | 8 | Daughter | — | Tennessee |
| 3 | Anna B. Russell | 63 | Mother | — | Tennessee |
| 4 | Harry G. Collins | 56 | Head | Supervisor | Ohio |
| 5 | Bertha E. Collins | 55 | Wife | — | Ohio |
| 6 | Russell S. Collins | 26 | Son | Rodman | Ohio |
| 7 | Mary Jane Collins | 22 | Daughter | Saleswoman | Ohio |
| 8 | Martha Lou Collins THIS PERSON | 12 | Daughter | — | Ohio |
| 9 | Martin D. Dyer | 61 | Head | — | Ohio |
| 10 | Nellie Dyer | 58 | Wife | — | Ohio |
| 11 | John L. Stowell | 43 | Head | Maintenance | Maryland |
| 12 | Gene S. Stowell | 47 | Wife | — | Ohio |
| 13 | Lorin D. Hager | 52 | Head | Cashier | Ohio |
| 14 | Marie V. Hager | 46 | Wife | — | Ohio |
| 15 | Arnold J. Hager | 24 | Son | — | Ohio |
| 16 | Thos. D. Price | 54 | Head | Distributor | Ohio |
| 17 | Sarah R. Price | 45 | Wife | — | Ohio |
| 18 | Wm. D. Latta | 54 | Head | Plumber | Colorado |
| 19 | Mary R. Latta | 43 | Wife | — | Ohio |
| 20 | Henry Wilkins | 60 | Head | Laborer | Alabama |
| 21 | Rosetta R. Wilkins | 61 | Wife | Maid | Ohio |
| 22 | Pearl Jackson | 40 | Son | Minister | Ohio |
| 23 | Richard Earley | 18 | Lodger | Driver | Ohio |
| 24 | Wm. West | 29 | Head | Porter | Georgia |
| 25 | Rose M. West | 26 | Wife | — | Georgia |
| 26 | Wm. Jr. West | 9 | Son | — | Ohio |
| 27 | James Tompkins | 49 | Head | Janitor | Tennessee |
| 28 | Lucille Tompkins | 42 | Wife | Laundress | Tennessee |
| 29 | Andrew Tompkins | 20 | Son | Janitor | Tennessee |
| 30 | James Tompkins | 18 | Son | Polisher | Tennessee |
| 31 | Charles Tompkins | 11 | Son | — | Ohio |
| 32 | Harold Tompkins | 13 | Son | — | Ohio |
| 33 | Frederick Tompkins | 8 | Son | — | Ohio |
| 34 | Napoleon Tompkins | 22 | Son | Janitor | Tennessee |
| 35 | Gladys Tompkins | 19 | Daughter-in-law | — | Ohio |
| 36 | W. W. Heath | 55 | Head | Janitor | Georgia |
| 37 | Frankie Heath | 55 | Wife | — | Georgia |
| 38 | Essie Heath | 26 | Daughter | House Work | Georgia |
| 39 | Emma Heath | 7 | Daughter | — | Ohio |
| 40 | Thomas Parks | 55 | Head | Cement Mixer | Tennessee |
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)