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John Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sanilac-County, Michigan
Our Model Tree links this John Cummings across the 1930 and 1940 US Censuses in Sanilac-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: MICHIGAN
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sanilac-County, Michigan |
| Surname | CUMMINGS |
| Given Name | JOHN |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | MICHIGAN |
| 1935 Residence (City) | Flynn Township |
| 1935 Residence (County) | Sanilac |
| Additional Details | |
| Occupation | LABORER |
| Industry | FARMING |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | 8 |
| 1935 Residence | SAME PLACE |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Flynn Township |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Laura Cummings | Daughter | — | 11 | ~1929 |
| Marion Cummings | Daughter | — | 5 | ~1935 |
| Mable Cummings | Daughter | — | 7 | ~1933 |
| Marguerette Cummings | Daughter | — | 17 | ~1923 |
| Alfred Cummings | Head | — | 60 | ~1880 |
| Russel Cummings | Son | — | 4 | ~1936 |
| James Cummings | Son | — | 13 | ~1927 |
| John Cummings | Son | — | 15 | ~1925 |
| Julia Cummings | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Sanilac, Michigan
Son, age 5
Sanilac, Michigan · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Sanilac-County, Michigan
Son, age 15
Sanilac-County, Michigan · implied b. ~1925 — 9 household members
| Surname | CUMMINGS |
| Given Name | JOHN |
| Relationship to Head | SON |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | MICHIGAN |
| 1935 Residence (City) | Flynn Township |
| 1935 Residence (County) | Sanilac |
| Occupation | LABORER |
| Industry | FARMING |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | 8 |
| 1935 Residence | SAME PLACE |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 John Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cummings
Son · 1940 · age 15 · b. ~1925 · Michigan
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Sibling
Marguerette Cummings
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Cummings
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russel Cummings
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Cummings
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mable Cummings
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cummings
Sibling · 1940 · age 13
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 — Sanilac-County, Michigan
Open full size
1940 US Federal Census — Sanilac-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01818-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edna Smith | 57 | SISTER IN LAW | — | MICHIGAN |
| 2 | Elizabeth Smith | 93 | MOTHER IN LAW | — | CANADA |
| 3 | Walter Shoemaker | 27 | HEAD | Laborer | MICHIGAN |
| 4 | Della Shoemaker | 18 | WIFE | — | MICHIGAN |
| 5 | Beverly Shoemaker | 1 | DAUGHTER | — | — |
| 6 | Isaac Clark | 69 | HEAD | Farmer | CANADA |
| 7 | Charity Clark | 66 | WIFE | — | MICHIGAN |
| 8 | Ervin Burgess | 17 | GRAND SON | — | MICHIGAN |
| 9 | Laurence Burgess | 11 | GRAND SON | — | MICHIGAN |
| 10 | Alfred Cummings | 60 | HEAD | Farmer | MICHIGAN |
| 11 | Julia Cummings | 42 | WIFE | — | MICHIGAN |
| 12 | Marguerette Cummings | 17 | DAUGHTER | — | MICHIGAN |
| 13 | John Cummings THIS PERSON | 15 | SON | Laborer | MICHIGAN |
| 14 | James Cummings | 13 | SON | — | MICHIGAN |
| 15 | Laura Cummings | 11 | DAUGHTER | — | MICHIGAN |
| 16 | Mable Cummings | 7 | DAUGHTER | — | MICHIGAN |
| 17 | Marion Cummings | 5 | DAUGHTER | — | MICHIGAN |
| 18 | Russel Cummings | 4 | SON | — | MICHIGAN |
| 19 | Thomas Miller | 49 | HEAD | Farmer | OHIO |
| 20 | Pete Poma | 30 | HEAD | Farmer | SICILY |
| 21 | William Watt | 60 | HEAD | Farmer | MICHIGAN |
| 22 | Flora Watt | 48 | WIFE | — | SCOTLAND |
| 23 | Anna Watt | 20 | DAUGHTER | — | MICHIGAN |
| 24 | Stewart Watt | 18 | SON | — | MICHIGAN |
| 25 | Flora Watt | 14 | DAUGHTER | — | MICHIGAN |
| 26 | Gordon Watt | 12 | SON | — | MICHIGAN |
| 27 | William Watt | 9 | SON | — | MICHIGAN |
| 28 | Raymond Castelman | 34 | HEAD | Farmer | TENN |
| 29 | Sarah Castelman | 28 | WIFE | — | KENTUCKY |
| 30 | Nancy Castelman | 5 | DAUGHTER | — | MICHIGAN |
| 31 | William Downs | 67 | FATHER IN LAW | — | MISSOURI |
| 32 | Henry Downs | 45 | BROTHER IN LAW | Laborer | KENTUCKY |
| 33 | George Rorich | 53 | HEAD | Farmer | RUMANIA |
| 34 | Kathrina Rorich | 52 | WIFE | — | RUMANIA |
| 35 | James A Cornell | 52 | HEAD | Farmer | CANADA |
| 36 | Ima Cornell | 48 | WIFE | — | MICHIGAN |
| 37 | Peter Vande | 54 | HEAD | Farmer | RUMANIA |
| 38 | Rose Vande | 56 | WIFE | — | RUMANIA |
| 39 | George Vande | 22 | SON | Laborer | MICHIGAN |
| 40 | Rose Vande | 15 | DAUGHTER | — | MICHIGAN |
Related Census Records
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)