MA
Mary Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bay-County, Michigan
Our Model Tree links this Mary Allen across the 1920, 1930 and 1940 US Censuses in Bay-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Bay-County, Michigan |
| Surname | Allen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Additional Details | |
| Occupation | Housewife |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Housewife |
| Township / Ward | Bay City |
| Est. Birth Year | ~1884 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Allen | Head | — | 59 | ~1881 |
| Oliver Allen | Son | — | 27 | ~1913 |
| John Allen | Son | — | 22 | ~1918 |
| Mary Allen | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Bay, Michigan
Spouse, age 35
Bay, Michigan · implied b. ~1885 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Bay, Michigan
Spouse, age 46
Bay, Michigan · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 23 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Bay-County, Michigan
Spouse, age 56
Bay-County, Michigan · implied b. ~1884 — 4 household members
| Surname | Allen |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Occupation | Housewife |
| Highest Grade | 5 |
| 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 Mary Allen across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Allen
Spouse · 1940 · age 56 · b. ~1884 · Michigan
★ 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 — Bay-County, Michigan
Open full size
1940 US Federal Census — Bay-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01728-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William King | 56 | Head | Carpenter | Michigan |
| 2 | Grace King | 54 | Wife | Housewife | Michigan |
| 3 | Milo King | 32 | Son | Laborer | Michigan |
| 4 | Raymond Coppler | 41 | Son-in-law | Stenographer | Michigan |
| 5 | Thelma Coppler | 27 | Wife | Waitress | Michigan |
| 6 | Joyce Coppler | 8 | Granddaughter | — | Michigan |
| 7 | Floyd Tomajewski | 24 | Head | Machinist | Michigan |
| 8 | Valeria Tomajewski | 22 | Wife | — | Michigan |
| 9 | Donald Tomajewski | 2 | Son | — | Michigan |
| 10 | John Valuse | 50 | Head | Coal Miner | Russia |
| 11 | Wave Valuse | 47 | Wife | — | Michigan |
| 12 | Ruby Valuse | 25 | Daughter | Assembly Work | Michigan |
| 13 | Donald Valuse | 14 | Son | — | Michigan |
| 14 | George Martin | 39 | Head | Machinist | Michigan |
| 15 | Katherine Martin | 36 | Wife | — | Michigan |
| 16 | Mary Opperman | 77 | Head | Homemaker | Michigan |
| 17 | — | None | — | — | — |
| 18 | Andrew Wilucki | 28 | Head | Smoker Meats | Michigan |
| 19 | Marie Wilucki | 25 | Wife | Housewife | Michigan |
| 20 | Andrew Wilucki | 1 | Son | — | Michigan |
| 21 | Samuel Cimo | 45 | Head | Fireman | Italy |
| 22 | Helen Cimo | 32 | Wife | Housewife | Michigan |
| 23 | Donald Cimo | 11 | Son | — | Michigan |
| 24 | Arthur Cimo | 7 | Son | — | Michigan |
| 25 | Prudence Cimo | 1 | Daughter | — | Michigan |
| 26 | Robert Griffin | 29 | Head | Truck Driver | Michigan |
| 27 | Frieda Griffin | 30 | Wife | Saleslady | Michigan |
| 28 | Robert Griffin | 9 | Son | — | Michigan |
| 29 | Ronald Griffin | 6 | Son | — | Michigan |
| 30 | John H Allen | 59 | Head | Mail Carrier | Pennsylvania |
| 31 | Mary Allen THIS PERSON | 56 | Wife | Housewife | Ohio |
| 32 | Oliver M Allen | 27 | Son | Mail Carrier | Michigan |
| 33 | John Wilbur Allen | 22 | Son | Bell Telephone | Michigan |
| 34 | Albertine Bachelder | 61 | Head | Housework | Sweden |
| 35 | George E. Benson | 59 | Brother | Plant Repairman | Michigan |
| 36 | Hazel Benson | 21 | Sister-in-law | — | Michigan |
| 37 | Catherine Carney | 26 | Niece | Saleslady | Michigan |
| 38 | Mildred Lyons | 24 | Niece | Saleslady | Michigan |
| 39 | Donna L. Helm | 8 | — | — | Michigan |
| 40 | George Helm | 22 | — | Trucker Under | Michigan |
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)