RD
Robert Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Leelanau-County, Michigan
Our Model Tree links this Robert Day across the 1920, 1930 and 1940 US Censuses in Leelanau-County, Michigan (XGBoost, ~Confirmed), with identified parents David & Eva — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Leelanau-County, Michigan |
| Surname | Day |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Glen Arbor |
| 1935 Residence (County) | Leelanau |
| Additional Details | |
| Occupation | 400 |
| Hours Worked | 8 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | 400 |
| Township / Ward | Glen Arbor |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Millie Day | Spouse | — | 30 | ~1910 |
| Robert Day | Head | — | 28 | ~1912 |
| Patricia Day | Daughter | — | 5 | ~1935 |
Census Appearances
1920
Leelanau, Michigan
Son, age 8
Leelanau, Michigan · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Robert H. H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Leelanau, Michigan
Other, age 18
Leelanau, Michigan · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Robert H. H. |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Occupation | Laborer |
| Industry | Odd Jobs |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Leelanau-County, Michigan
Head, age 28
Leelanau-County, Michigan · implied b. ~1912 — 3 household members
| Surname | Day |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Glen Arbor |
| 1935 Residence (County) | Leelanau |
| Occupation | 400 |
| Hours Worked | 8 |
| Highest Grade | Hs 4 |
| 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 Robert Day across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Day (~0.92 confidence) and mother Eva Day (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Day
b. ~1855
Source father
● Household
· direct · ~0.92
Mother
Eva Day
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Day
Head · 1940 · age 28 · b. ~1912 · 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 — Leelanau-County, Michigan
Open full size
1940 US Federal Census — Leelanau-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01778-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Pearl Savage | 35 | Wife | — | Michigan |
| 42 | Willard Savage | 17 | Son | — | Michigan |
| 43 | Cleo Savage | 15 | Daughter | — | Michigan |
| 44 | Clarence Savage | 7 | Son | — | Michigan |
| 45 | Archie Plamondon | 47 | Head | Farmer | Michigan |
| 46 | Manila Plamondon | 43 | Wife | — | Michigan |
| 47 | Iena Plamondon | 17 | Daughter | — | Michigan |
| 48 | Ned Plamondon | 13 | Son | — | Michigan |
| 49 | Doris Plamondon | 12 | Daughter | — | Michigan |
| 50 | Bessie Plamondon | 9 | Daughter | — | Michigan |
| 51 | Gordon Plamondon | 4 | Son | — | Michigan |
| 52 | Alfred Mason | 22 | Head | Farm Laborer | Michigan |
| 53 | Laurence Welch | 37 | Head | Laborer | Washington |
| 54 | Gladys Welch | 32 | Wife | — | Michigan |
| 55 | Melvin Welch | 12 | Son | — | Michigan |
| 56 | Rosemary Welch | 7 | Daughter | — | Michigan |
| 57 | Kenneth Welch | 5 | Son | — | Michigan |
| 58 | Shirley Welch | 2 | Daughter | — | Michigan |
| 59 | David Bumgardner | 29 | Head | Truck Driver | Michigan |
| 60 | Clara Bumgardner | 23 | Wife | — | Michigan |
| 61 | Caroline Bumgardner | 2 | Daughter | — | Michigan |
| 62 | George Bumgardner | 1 | Son | — | Michigan |
| 63 | Cyrilla Elmer | 2 | Ward | — | Michigan |
| 64 | Elmo Murphy | 45 | Head | Laborer | Ohio |
| 65 | Tressa Murphy | 39 | Wife | — | Michigan |
| 66 | William Murphy | 19 | Son | — | Michigan |
| 67 | Elmer Murphy | 15 | Son | — | Michigan |
| 68 | Roger Murphy | 4 | Son | — | Michigan |
| 69 | Robert Day THIS PERSON | 28 | Head | 400 | Michigan |
| 70 | Millie Day | 30 | Wife | — | Michigan |
| 71 | Patricia Day | 5 | Daughter | — | Michigan |
| 72 | Charles Meredith | 44 | Head | Farming | Michigan |
| 73 | Beatrice Meredith | 34 | Wife | — | Michigan |
| 74 | Althea Meredith | 13 | Daughter | — | Michigan |
| 75 | Corenne Meredith | 8 | Daughter | — | Michigan |
| 76 | Harry Siebeert | 23 | Head | Laborer | Michigan |
| 77 | English Hunter | 39 | Head | Farmer | Michigan |
| 78 | Lila Hunter | 36 | Wife | — | Michigan |
| 79 | James Guenan | 34 | Head | Farmer | Michigan |
| 80 | Grace Guenan | 28 | Wife | — | Michigan |
Pedigree Summary
Robert
Gen 1 · 2 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)