MH
Mary Harmon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kootenai, Idaho
Our Model Tree links this Mary Harmon across the 1920 and 1930 US Censuses in Kootenai, Idaho (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 7-person household.
Age 51
b. ~1879
Female
Spouse
Born: Virginia
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Kootenai, Idaho |
| Surname | Harmon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 20 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Coeur Dalene City |
| Est. Birth Year | ~1879 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marie Harmon | Daughter | — | 13 | ~1917 |
| Mamie Harmon | Daughter | — | 23 | ~1907 |
| Victor Harmon | Head | — | 50 | ~1880 |
| Ivan Harmon | Son | — | 11 | ~1919 |
| Lawrence Harmon | Son | — | 29 | ~1901 |
| Ray Harmon | Son | — | 18 | ~1912 |
| Mary Harmon | Spouse | — | 51 | ~1879 |
Census Appearances
1920
Kootenai, Idaho
Other, age 40
Kootenai, Idaho · implied b. ~1880 — 48 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harmon |
| Given Name | Mary |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Housekeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Kootenai, Idaho
Spouse, age 51
Kootenai, Idaho · implied b. ~1879 — 7 household members
| Surname | Harmon |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 20 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 (1920 and 1930) in Kootenai, Idaho, using XGBoost record linkage.
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This person
Anchor record
Mary Harmon
Spouse · 1930 · age 51 · b. ~1879 · 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 — Kootenai, Idaho
Open full size
1930 US Federal Census — Kootenai, Idaho
Page Contents
50 people indexed on this census page (ia:1930:15thcensus401unit:0121)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William O. Oftedahl | 45 | Head | — | Washington |
| 52 | Michael Oftedahl | 45 | Head | Lumberpiler | Illinois |
| 53 | Marie Oftedahl | 40 | Wife | None | Norway |
| 54 | Edward Malmquist | 51 | Head | Lumberpiler | Sweden |
| 55 | Rena Malmquist | 49 | Wife | None | Sweden |
| 56 | Victor Malmquist | 21 | Son | Lumber Piler | Sweden |
| 57 | G. A. Mccandless | 49 | Head | Carpenter | Missouri |
| 58 | Henrietta Mccandless | 41 | Wife | None | Nebraska |
| 59 | William G. Mccandless | 16 | Son | None | Missouri |
| 60 | Wilma Mccandless | 14 | Daughter | None | Missouri |
| 61 | Willis K. Mccandless | 12 | Son | None | Missouri |
| 62 | Ross A. Mccandless | 7 | Son | None | Missouri |
| 63 | Victor Harmon | 50 | Head | Fireman | Virginia |
| 64 | Mary Harmon THIS PERSON | 51 | Wife | None | Virginia |
| 65 | Lawrence Harmon | 29 | Son | Laborer | Virginia |
| 66 | Mamie Harmon | 23 | Daughter | None | Washington |
| 67 | Ray Harmon | 18 | Son | Laborer | Idaho |
| 68 | Marie Harmon | 13 | Daughter | None | Idaho |
| 69 | Ivan Harmon | 11 | Son | None | Idaho |
| 70 | David N. Swift | 64 | Head | Laborer | Oregon |
| 71 | Katherine Swift | 51 | Wife | None | Missouri |
| 72 | Earnest Swift | 21 | Son | Setter | Washington |
| 73 | Jack Swift | 11 | Son | None | Washington |
| 74 | George Capaul | 31 | Head | Laborer | Washington |
| 75 | Frances Capaul | 25 | Wife | None | Washington |
| 76 | Georgia Capaul | 4 | Son | None | Idaho |
| 77 | Ralph Capaul | 2 | Son | None | Idaho |
| 78 | Alpha C. Wilson | 30 | Head | Laborer | Missouri |
| 79 | Grace E. Wilson | 47 | Wife | None | Missouri |
| 80 | Milton C. Wilson | 19 | Son | None | Idaho |
| 81 | Willard L. Wilson | 15 | Son | None | Idaho |
| 82 | Jennie V. Derry | 65 | Head | Laborer | Iowa |
| 83 | Lula Derry | 44 | Daughter | Florist | Colorado |
| 84 | Hattie Derry | 33 | Daughter | Clerk | Colorado |
| 85 | Perley Derry | 41 | Son | Laborer | Colorado |
| 86 | John J. Munson | 39 | Head | Carpenter | Massachusetts |
| 87 | Dorothy Munson | 36 | Wife | None | Colorado |
| 88 | John J. Munson | 13 | Son | None | Washington |
| 89 | Donald J. Munson | 11 | Son | None | Idaho |
| 90 | Jeanette M. Munson | 9 | Daughter | None | Idaho |
| 91 | Dorothy J. Munson | 8 | Daughter | None | Idaho |
| 92 | Isabella R. Munson | 5 | Daughter | None | Idaho |
| 93 | Frances J. Munson | 4 | Daughter | None | Idaho |
| 94 | Emily M. Munson | 1 | Daughter | None | Idaho |
| 95 | Harry Pearson | 42 | Head | Boom Man | Michigan |
| 96 | Jessie Pearson | 31 | Wife | None | Tennessee |
| 97 | Betty M. Pearson | 9 | Daughter | None | Idaho |
| 98 | Jessie J. Pearson | 8 | Daughter | None | Idaho |
| 99 | John Pearson | 6 | Son | None | Idaho |
| 100 | Halver Sivertson | 67 | Head | Laborer | Norway |
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)