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Robert Harmon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sacramento, California
Our Model Tree links this Robert Harmon across the 1930 and 1940 US Censuses in Sacramento, California (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 8-person household.
Age 1
b. ~1929
Male
Son
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sacramento, California |
| Surname | Harmon |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Russia |
| Mother's Birthplace | Nebraska |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | North Sacramento Town |
| Est. Birth Year | ~1929 |
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 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ethel Harmon | Daughter | — | 5 | ~1925 |
| Jacob Harmon | Head | — | 33 | ~1897 |
| Florence Harmon | Daughter | — | 2 | ~1928 |
| Lillian Harmon | Daughter | — | 7 | ~1923 |
| Edith Harmon | Daughter | — | 8 | ~1922 |
| Robert Harmon | Son | — | 1 | ~1929 |
| Kathryn Harmon | Other | — | 30 | ~1900 |
| Walter Harmon | Son | — | 4 | ~1926 |
Census Appearances
1930
Sacramento, California
Son, age 1
Sacramento, California · implied b. ~1929 — 8 household members
| Surname | Harmon |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Russia |
| Mother's Birthplace | Nebraska |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Sacramento-County, California
Son, age 11
Sacramento-County, California · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herman |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Sacramento City |
| 1935 Residence (County) | Sacramento |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Harmon
Son · 1930 · age 1 · b. ~1929 · California
★ You are viewing this record
Sibling
Edith Harmon
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Harmon
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Harmon
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Harmon
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Harmon
Sibling · 1930 · age 7
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 — Sacramento, California
Open full size
1930 US Federal Census — Sacramento, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel184:0837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry Tome | 47 | Head | Machinist | California |
| 52 | Blanche Tome | 38 | Wife-H | — | Colorado |
| 53 | Helen Tome | 12 | Daughter | — | Oregon |
| 54 | Clency J. Potter | 39 | Head | Trucker | Nebraska |
| 55 | Elsie B. Potter | 20 | Wife-H | — | Minnesota |
| 56 | Kenneth G. Potter | 3 | Son | — | Minnesota |
| 57 | Earl G. Harriman | 29 | Head | Trucker | Minnesota |
| 58 | Josephine Harriman | 22 | Wife-H | Candler | Minnesota |
| 59 | John B. Hill | 48 | Head | Manager | Indiana |
| 60 | Kate Hill | 41 | Wife-H | — | Indiana |
| 61 | Tyson Stewart | 23 | Head | Foreman | Mississippi |
| 62 | Ada Stewart | 23 | Wife-H | — | Texas |
| 63 | James Stewart | 4 | Son | — | Mississippi |
| 64 | Libby Stewart | 2 | Daughter | — | Louisiana |
| 65 | Billy D. Stewart | 1 | Son | — | Louisiana |
| 66 | Lillie D. Stewart | 0 | Daughter | — | Louisiana |
| 67 | Tom E. Pike | 58 | Head | Broker | Kansas |
| 68 | Minnie Pike | 39 | Wife-H | Cashier | Kansas |
| 69 | Rufe Quiques | 40 | Boarder | — | Kansas |
| 70 | Richard M. Lund | 45 | Head | Laundress | Kansas |
| 71 | Harry Lund | 9 | Son | — | California |
| 72 | Dorothy Lund | 8 | Son | — | California |
| 73 | Robert R. Dew | 42 | Head | Driver | Minnesota |
| 74 | Robert Jr. Dew | 6 | Son | — | California |
| 75 | Ernest Dew | 4 | Son | — | California |
| 76 | Mary F. Hugh | 33 | Head | Housekeeper | California |
| 77 | Luis Machado | 37 | Head | Car Loader | California |
| 78 | Dorothy Machado | 23 | Wife-H | — | California |
| 79 | George Machado | 2 | Son | — | California |
| 80 | Gwendolyn Machado | 0 | Daughter | — | California |
| 81 | Joseph E. Thomas | 62 | Head | Laborer | Ohio |
| 82 | Lucy G. Thomas | 60 | Wife-H | — | Missouri |
| 83 | Jacob Harmon | 33 | Head | Carpenter | Russia |
| 84 | Kathryn Harmon | 30 | Wife-H | — | Nebraska |
| 85 | Edith Harmon | 8 | Daughter | — | Montana |
| 86 | Lillian Harmon | 7 | Daughter | — | Washington |
| 87 | Ethel Harmon | 5 | Daughter | — | Montana |
| 88 | Walter Harmon | 4 | Son | — | California |
| 89 | Florence Harmon | 2 | Daughter | — | California |
| 90 | Robert Harmon THIS PERSON | 1 | Son | — | California |
| 91 | Chris Buckner | 52 | Head | Machinist | Missouri |
| 92 | Amy Buckner | 30 | Wife-H | Canner | Missouri |
| 93 | William G. Buckner | 10 | Step-son | — | Oklahoma |
| 94 | James Buckner | 8 | Step-son | — | Oklahoma |
| 95 | Ruby Pierce | 32 | Boarder | Canner | Missouri |
| 96 | Lydia Buckner | 84 | Mother | — | Arkansas |
| 97 | John R. Buckner | 27 | Brother | Laborer | Missouri |
| 98 | George A. Koch | 33 | Head | Laborer | California |
| 99 | Hallie Koch | 33 | Wife-H | — | California |
| 100 | Allison J. Stoltz | 15 | Step-son | Manager | California |
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)