FD
Frank Day — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Frank Day across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 6-person household.
Age 49
b. ~1891
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Day |
| Given Name | Frank C. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Insurance Broker |
| Industry | Insurance Company |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 4800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Insurance Broker |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1891 |
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 Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Day | Head | — | 49 | ~1891 |
| Niel Day | Son | — | 21 | ~1919 |
| Janet Bell | Other | — | 70 | ~1870 |
| Paul Day | Son | — | 16 | ~1924 |
| Ora Day | Spouse | — | 48 | ~1892 |
| Frank Day | Son | — | 12 | ~1928 |
Census Appearances
1920
Wayne, Michigan
Head, age 29
Wayne, Michigan · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Frank C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Louisiana |
| Occupation | Salesman |
| Industry | Steel Concern |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Wayne, Michigan
Head, age 39
Wayne, Michigan · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Frank C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 24 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Real Estate Broker |
| Industry | 8286 |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 20,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Wayne-County, Michigan
Head, age 49
Wayne-County, Michigan · implied b. ~1891 — 6 household members
| Surname | Day |
| Given Name | Frank C. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Occupation | Insurance Broker |
| Industry | Insurance Company |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 4800 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Frank Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Frank Day
Head · 1940 · age 49 · b. ~1891 · Michigan
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01890-00687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Suzanne M. Taylor | 37 | wife | — | New York |
| 2 | William M. Taylor | 15 | daughter | — | Michigan |
| 3 | Charles L. Iii Taylor | 14 | son | — | Washington |
| 5 | Clarence E. Ranney | 48 | head | Purchasing Agent | Michigan |
| 6 | Bernice L. Ranney | 46 | wife | — | Michigan |
| 7 | Donald E. Ranney | 23 | son | Musician | Michigan |
| 8 | Robert J. Ranney | 12 | son | — | Michigan |
| 9 | Frank C. Day THIS PERSON | 49 | head | Insurance Broker | Virginia |
| 10 | Ora Day | 48 | wife | — | Michigan |
| 11 | Niel S. Day | 21 | son | Bookkeeper | Michigan |
| 12 | Paul W. Day | 16 | son | — | Michigan |
| 13 | Frank L. Day | 12 | son | — | Michigan |
| 14 | Janet I. Bell | 70 | mother | — | Scotland |
| 15 | Matthew Hugginson | 50 | head | General Foreman | England |
| 16 | Emily Hugginson | 51 | wife | — | Newfoundland |
| 17 | Irene M. Hugginson | 25 | daughter | Stenographer | Ohio |
| 18 | Clifford N. Hugginson | 23 | son | Clerk | Ohio |
| 19 | Kenneth S. Smith | 48 | head | Manager | Pennsylvania |
| 20 | Inez M. Smith | 45 | wife | — | Nebraska |
| 21 | Morton E. Lewis | 47 | head | Owner | Illinois |
| 22 | Grace M. Lewis | 44 | wife | — | Michigan |
| 23 | Charles G. Lewis | 11 | daughter | — | Michigan |
| 24 | Patricia A. Lewis | 8 | daughter | — | Michigan |
| 25 | Mary Horroski | 28 | housekeeper | Housekeeper | Pennsylvania |
| 26 | Harry F. Cerenica | 49 | head | Owner | Italy |
| 27 | Theresa Cerenica | 42 | wife | — | Italy |
| 28 | Bettyrose Cerenica | 16 | daughter | — | Michigan |
| 29 | Rosemarie Cerenica | 14 | daughter | — | Michigan |
| 30 | Carl F. Monahan | 57 | head | Owner | Ohio |
| 31 | Clara Monahan | 55 | wife | — | Indiana |
| 32 | Irene Monahan | 21 | daughter | — | Michigan |
| 33 | Harold B. Grose | 37 | head | Teacher | Ohio |
| 34 | Dorothy M. Grose | 37 | wife | Saleslady | Pennsylvania |
| 35 | Martha J. Grose | 8 | daughter | — | Michigan |
| 36 | Ursilla Grose | 73 | mother | — | Ohio |
| 37 | Lammert Hesseler | 56 | head | Superintendent Of Branch Office | Michigan |
| 38 | Clara E. Hesseler | 51 | wife | — | Canada-English |
| 39 | William H. Greiner | 31 | head | Jobber | Indiana |
| 40 | Alice G. Greiner | 0 | wife | — | Wisconsin |
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)