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Robert Hammond — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this Robert Hammond across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Detroit City |
| Est. Birth Year | ~1926 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Hammond | Son | — | 14 | ~1926 |
| Violet Hammond | Daughter | — | 8 | ~1932 |
| Ida Hammond | Spouse | — | 33 | ~1907 |
| Charles Hammond | Son | — | 11 | ~1929 |
| Thomas Hammond | Son | — | 4 | ~1936 |
| John Hammond | Son | — | 9 | ~1931 |
| Charles Hammond | Head | — | 39 | ~1901 |
| Darlene Hammond | Daughter | — | 7 | ~1933 |
Census Appearances
1930
Wayne, Michigan
Son, age 4
Wayne, Michigan · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 14
Wayne-County, Michigan · implied b. ~1926 — 8 household members
| Surname | Hammond |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Detroit City |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Hammond across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Hammond
Son · 1940 · age 14 · b. ~1926 · Michigan
★ You are viewing this record
Sibling
Violet Hammond
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hammond
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hammond
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darlene Hammond
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hammond
Sibling · 1940 · age 9
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01848-00250)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William Baker | 3 | Son | — | Michigan |
| 42 | Charles E. Baker | 65 | Father | Election Inspector | Carolina |
| 43 | Robert H. Blanchard | 37 | Head | Laborer | Mass. |
| 44 | Mary O. Blanchard | 38 | Wife | — | Ohio |
| 45 | William Blanchard | 13 | Son | — | Michigan |
| 46 | Dorothy Blanchard | 8 | Daughter | — | Penn. |
| 47 | Jackie Blanchard | 1 | Son | — | Michigan |
| 48 | Robert Fitzgerald | 49 | Head | Machine Operator | England |
| 49 | Edith Fitzgerald | 44 | Wife | — | England |
| 50 | Robert Fitzgerald | 23 | Son | Tool Maker | Michigan |
| 51 | Willard Fitzgerald | 18 | Son | Trimming | Michigan |
| 52 | Dennis Fitzgerald | 52 | Brother | Checker | England |
| 53 | Charles Hammond | 39 | Head | Truck Driver | Michigan |
| 54 | Ida Hammond | 33 | Wife | — | Michigan |
| 55 | Robert Hammond THIS PERSON | 14 | Son | — | Michigan |
| 56 | Charles Hammond | 11 | Son | — | Michigan |
| 57 | John Hammond | 9 | Son | — | Michigan |
| 58 | Violet Hammond | 8 | Daughter | — | Michigan |
| 59 | Darlene Hammond | 7 | Daughter | — | Michigan |
| 60 | Thomas Hammond | 4 | Son | — | Michigan |
| 61 | William Jr. Campbell | 24 | Head | Laborer | Canada |
| 62 | Edith Campbell | 24 | Wife | — | Michigan |
| 63 | Henry Dewey | 51 | Head | — | Michigan |
| 64 | Virginia Dewey | 32 | Wife | — | West Virginia |
| 65 | Henry Dewey | 18 | Son | Laborer | Michigan |
| 66 | Helen Dewey | 16 | Daughter | — | Michigan |
| 67 | Albert Roy Dietz | 32 | Head | Laborer | Wisconsin |
| 68 | Helen Dietz | 28 | Wife | Waitress | Illinois |
| 69 | Albert Dietz | 11 | Son | — | Illinois |
| 70 | Robert Dietz | 6 | Son | — | Wisconsin |
| 71 | James Dietz | 2 | Son | — | Michigan |
| 72 | Sadie Dietz | 55 | Mother | — | Wisconsin |
| 73 | James Dietz | 22 | Brother | Truck Driver | Wisconsin |
| 74 | Marion Hartman | 44 | Head | — | Penn. |
| 75 | Alfred Hartman | 21 | Son | Elevator Engineer | Penn. |
| 76 | Joseph Hartman | 17 | Son | — | Penn. |
| 77 | Marion Hartman | 13 | Daughter | — | Penn. |
| 78 | Ruth Hartman | 11 | Daughter | — | Penn. |
| 79 | Robert P. Davis | 25 | Head | Truck Driver | Ohio |
| 80 | Anna Davis | 20 | Wife | — | Ohio |
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)