MH
Mary Harmon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Idaho, Idaho
Our Model Tree links this Mary Harmon across the 1930 and 1940 US Censuses in Idaho, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 8-person household.
Age 38
b. ~1892
Female
Spouse
Born: Kansas
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Idaho, Idaho |
| Surname | Harmon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 19 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Ferdinand Precinct |
| Est. Birth Year | ~1892 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Rose Harmon | Daughter | — | 17 | ~1913 |
| Bertha Harmon | Daughter | — | 13 | ~1917 |
| Mabel Harmon | Daughter | — | 15 | ~1915 |
| Emmet Harmon | Head | — | 44 | ~1886 |
| Vern Harmon | Son | — | 1 | ~1929 |
| Raymond Harmon | Son | — | 4 | ~1926 |
| Carl Harmon | Son | — | 10 | ~1920 |
| Mary Harmon | Spouse | — | 38 | ~1892 |
Census Appearances
1930
Idaho, Idaho
Spouse, age 38
Idaho, Idaho · implied b. ~1892 — 8 household members
| Surname | Harmon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 19 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Idaho-County, Idaho
Spouse, age 48
Idaho-County, Idaho · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Herman |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | 32 |
| 1935 Residence (County) | Idaho |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Mary Harmon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Harmon
Spouse · 1930 · age 38 · b. ~1892 · Idaho
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Idaho, Idaho
Open full size
1930 US Federal Census — Idaho, Idaho
Page Contents
50 people indexed on this census page (ia:1930:15thcensus400unit:0341)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Norbert Lehmen | 13 | Son | — | Idaho |
| 52 | Joseph Sarbacher | 33 | Head | Farmer | Illinois |
| 53 | Gertrude Sarbacher | 29 | Wife | — | Idaho |
| 54 | James Sarbacher | 7 | Son | — | Idaho |
| 55 | Virgil Sarbacher | 5 | Son | — | Idaho |
| 56 | Irene Sarbacher | 1 | Daughter | — | Idaho |
| 57 | Emmet J. Harmon | 44 | Head | Farmer | Missouri |
| 58 | Mary Harmon THIS PERSON | 38 | Wife | — | Kansas |
| 59 | Rose Harmon | 17 | Daughter | — | Oregon |
| 60 | Mabel Harmon | 15 | Daughter | — | Oregon |
| 61 | Bertha Harmon | 13 | Daughter | — | Oregon |
| 62 | Carl Harmon | 10 | Son | — | Oregon |
| 63 | Raymond Harmon | 4 | Son | — | Idaho |
| 64 | Vern Harmon | 1 | Son | — | Idaho |
| 65 | Abraham J. Hill | 71 | Head | Laborer | Missouri |
| 66 | Effie Hill | 56 | Wife | — | Missouri |
| 67 | Albert Woodworth | 52 | Head | Farmer | New York |
| 68 | Dora Woodworth | 44 | Wife | — | North Dakota |
| 69 | Horace Woodworth | 18 | Son | Laborer | Idaho |
| 70 | Theodore Woodworth | 15 | Son | — | Idaho |
| 71 | Gilbert Woodworth | 6 | Son | — | Idaho |
| 72 | Lester Woodworth | 2 | Son | — | Idaho |
| 73 | Andrew Groombridge | 57 | Head | Laborer | New York |
| 74 | Tom Hanson | 49 | Head | Farmer | Minnesota |
| 75 | Peter Hanson | 46 | Brother | Farmer | Minnesota |
| 76 | M. H. Breker | 34 | Head | Farmer | Indiana |
| 77 | Stella Breker | 27 | Wife | — | Indiana |
| 78 | Frank Breker | 3 | Son | — | Idaho |
| 79 | Dorothy Breker | 2 | Daughter | — | Idaho |
| 80 | Marcella Breker | 0 | Daughter | — | Idaho |
| 81 | Joseph F. Schaeffer | 46 | Head | Farmer | Idaho |
| 82 | Anna M. Schaeffer | 32 | Wife | — | Idaho |
| 83 | Loretta Schaeffer | 9 | Daughter | — | Idaho |
| 84 | Anselma Schaeffer | 7 | Daughter | — | Idaho |
| 85 | Armella Schaeffer | 4 | Daughter | — | Idaho |
| 86 | Ralph Schaeffer | 2 | Son | — | Idaho |
| 87 | Jane Moody | 65 | Head | Farmer | Idaho |
| 88 | Nellie Moody | 29 | Daughter | — | Idaho |
| 89 | Horace Moody | 5 | Grandson | — | Idaho |
| 90 | Leander Moody | 3 | Grandson | — | Idaho |
| 91 | Lydia Wilkins | 68 | Sister | — | Idaho |
| 92 | Anton Sarbacher | 41 | Head | Farmer | Minnesota |
| 93 | Rosa Sarbacher | 35 | Wife | — | Texas |
| 94 | Mildred Sarbacher | 14 | Daughter | — | Idaho |
| 95 | Petrus Sarbacher | 12 | Son | — | Idaho |
| 96 | Julius Sarbacher | 8 | Son | — | Idaho |
| 97 | Robert Sarbacher | 6 | Son | — | Idaho |
| 98 | Edna Sarbacher | 4 | Daughter | — | Idaho |
| 99 | Ida Sarbacher | 2 | Daughter | — | Idaho |
| 100 | Harold Sarbacher | 0 | Son | — | Idaho |
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)