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Harry Hamilton — 1930 US Census Record
Model Tree available1930 United States Federal Census · Calhoun, Michigan
Our Model Tree links this Harry Hamilton across the 1920, 1930 and 1940 US Censuses in Calhoun, Michigan (XGBoost, ~Confirmed), with identified parents Ray & Sydney — first a son (b.~1912), then head of a 6-person household.
Age 18
b. ~1912
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Calhoun, Michigan |
| Surname | Hamilton |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | Laborer |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Laborer |
| Township / Ward | Battle Creek City |
| 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Iloretha Hamilton | Daughter | — | 15 | ~1915 |
| Vernett Hamilton | Son | — | 28 | ~1902 |
| Sidney Hamilton | Head | — | 51 | ~1879 |
| Raymond Hamilton | Son | — | 17 | ~1913 |
| Harry Hamilton | Son | — | 18 | ~1912 |
| Etta Hamilton | Spouse | — | 52 | ~1878 |
Census Appearances
1920
Calhoun, Michigan
Son, age 9
Calhoun, Michigan · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Calhoun, Michigan
Son, age 18
Calhoun, Michigan · implied b. ~1912 — 6 household members
| Surname | Hamilton |
| Given Name | Harry S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | Laborer |
| Industry | Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Calhoun-County, Michigan
Son, age 30
Calhoun-County, Michigan · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Harlow |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Battle Creek City |
| 1935 Residence (County) | Calhoun |
| Occupation | Laborer |
| Industry | Building Construction |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 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 Harry Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ray Hamilton (~0.92 confidence) and father Sydney Hamilton (~0.92 confidence) and mother Etta Hamilton (~0.92 confidence) and mother Lotta Hamilton (~0.92 confidence) and mother Molly Hamilton (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ray Hamilton
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Sydney Hamilton
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Etta Hamilton
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Lotta Hamilton
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Molly Hamilton
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Hamilton
Son · 1930 · age 18 · b. ~1912 · Michigan
★ You are viewing this record
Sibling
Iloretha Hamilton
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vernett Hamilton
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Hamilton
Sibling · 1930 · age 17
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
1930 US Federal Census — Calhoun, Michigan
Open full size
1930 US Federal Census — Calhoun, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel978:1087)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elmer J Billman | 40 | Head | Truck Driver | Ohio |
| 52 | Eva A Billman | 38 | Wife | — | Michigan |
| 53 | Francis A Billman | 13 | Son | — | Michigan |
| 54 | Clifford Fox | 33 | Head | Meter Reader | Michigan |
| 55 | Letha Fox | 24 | Wife | — | Ohio |
| 56 | Eva M Fox | 6 | Daughter | — | Michigan |
| 57 | William R Fox | 4 | Son | — | Michigan |
| 58 | Aury E Cronkhite | 48 | Head | Laborer | Michigan |
| 59 | Martha Cronkhite | 39 | Wife | — | Michigan |
| 60 | Emma G Cronkhite | 11 | Daughter | — | Michigan |
| 61 | Robert D Cronkhite | 9 | Son | — | Michigan |
| 62 | William E Stoetzel | 44 | Head | Clerk | Illinois |
| 63 | Louise M Stoetzel | 44 | Wife | Beauty Operator | Illinois |
| 64 | Vernace Frank U Stoetzel | 24 | Step Son | Switchman | Illinois |
| 65 | Sidney Hamilton | 51 | Head | Floor Man | Michigan |
| 66 | Etta E Hamilton | 52 | Wife | — | Michigan |
| 67 | Vernett Hamilton | 28 | Son | Laborer | Michigan |
| 68 | Harry S Hamilton THIS PERSON | 18 | Son | Laborer | Michigan |
| 69 | Raymond Hamilton | 17 | Son | — | Michigan |
| 70 | Iloretha Hamilton | 15 | Daughter | — | Michigan |
| 71 | William T Pierce | 72 | Head | Elevator Operator | Iowa |
| 72 | Susan L Pierce | 75 | Wife | — | Massachusetts |
| 73 | Clarence A De Mond | 58 | Head | Pressman | Michigan |
| 74 | Carrie A De Mond | 48 | Wife | — | New York |
| 75 | Kenneth R De Mond | 23 | Son | — | Michigan |
| 76 | Glenn H Ingraham | 28 | Son-in-law | General Manager | Michigan |
| 77 | Margaret Ingraham | 22 | Daughter | Office Clerk | Michigan |
| 78 | Richard H Ingraham | 1 | Grandson | — | Michigan |
| 79 | Howard L Ingraham | 12 | Son | — | Michigan |
| 80 | Eleanor J Ingraham | 3 | Daughter | — | Michigan |
| 81 | Arthur T Ferguson | 42 | Head | Laborer | Michigan |
| 82 | Eva Ferguson | 37 | Wife | Server | Michigan |
| 83 | Peter H Christy | 63 | Head | Laborer | Michigan |
| 84 | Edith Christy | 62 | Wife | — | Michigan |
| 85 | Harold Christy | 40 | Son | Tool Maker | Michigan |
| 86 | Lucille Christy | 26 | Daughter-in-law | Clerical Work | Iowa |
| 87 | Robert Christy | 2 | Grandson | — | Michigan |
| 88 | William Christy | 35 | Son | Machinist | Illinois |
| 89 | Eva Christy | 27 | Daughter-in-law | — | Indiana |
| 90 | Hattie H Blakely | 64 | Head | — | Michigan |
| 91 | Annetta M Blakely | 82 | Mother | — | Michigan |
| 92 | John Bell | 45 | Head | Locomotive Engineer | Scotland |
| 93 | Maggie J Bell | 51 | Wife | — | Scotland |
| 94 | Isabelle C Bell | 15 | Daughter | — | Michigan |
| 95 | Janet S Bell | 6 | Daughter | — | Michigan |
| 96 | Clair W Miller | 50 | Head | Asst. Foreman | Michigan |
| 97 | Deloris J Miller | 50 | Wife | Packer | Michigan |
| 98 | Earl W Miller | 22 | Son | Salesman | Michigan |
| 99 | Leon H Miller | 19 | Son | — | Michigan |
| 100 | Carl E Miller | 17 | Son | — | Michigan |
Pedigree Summary
Harry + 3 siblings
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)