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John Mcdonough — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lewis Clark, Montana
Our Model Tree links this John Mcdonough across the 1920, 1930 and 1940 US Censuses in Lewis Clark, Montana (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 7-person household.
Age 37
b. ~1893
Male
Head
Born: Scotland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lewis Clark, Montana |
| Surname | McDonough |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1895 |
| Age at First Marriage | 31 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Stock farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Veteran | Yes |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Farmer |
| Township / Ward | School Dist 13 |
| Est. Birth Year | ~1893 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Minnie Mcdonough | Daughter | — | 10 | ~1920 |
| John Mcdonough | Head | — | 37 | ~1893 |
| William Mcdonough | Son | — | 8 | ~1922 |
| John Adamo | Son | — | 18 | ~1912 |
| John Mcdonough | Son | — | ~1930 | |
| Norman Mcdonough | Son | — | 2 | ~1928 |
| Grace Mcdonough | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Lewis Clark, …
Other, age 26
Lewis Clark, Montana · implied b. ~1894 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Hired man |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1895 |
| Naturalization Status | Un |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Gen'l Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Lewis Clark, …
Head, age 37
Lewis Clark, Montana · implied b. ~1893 — 7 household members
| Surname | McDonough |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1895 |
| Age at First Marriage | 31 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Farmer |
| Industry | Stock farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Veteran | Yes |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Phillips-County, Montana
Other, age 46
Phillips-County, Montana · implied b. ~1894 — 27 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | John |
| Relationship to Head | Hired hand |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Divorced |
| Birthplace | Scotland |
| 1935 Residence (City) | Walk Creek |
| 1935 Residence (County) | Lewis & Clark |
| Naturalization Status | Naturalized |
| Occupation | Labourer |
| Industry | Ranch |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 156 |
| Highest Grade | G-6 |
| 1935 Residence | Montana |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 John Mcdonough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mcdonough
Head · 1930 · age 37 · b. ~1893 · Montana
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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 — Lewis Clark, Montana
Open full size
1930 US Federal Census — Lewis Clark, Montana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1258unit:0381)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eugene Taconette | 14 | Son | — | Montana |
| 2 | Philomene E. Menard | 66 | Head | — | Canada French |
| 3 | Archie Usef | 51 | Head | Section Hand | Turkey |
| 4 | Anna E. Usef | 57 | Wife | — | Illinois |
| 5 | Raoul J. Menard | 40 | Head | Salesman | Montana |
| 6 | Maude N. Menard | 39 | Wife | — | Montana |
| 7 | Thomas H. Toohey | 44 | Head | Agent | Illinois |
| 8 | Ellen K. Mcguire | 25 | Head | Teacher | Montana |
| 9 | Dorothea H. Alps | 24 | Boarder | Teacher | Ohio |
| 10 | Howard F. Bowman | 44 | Head | Ranch Manager | Montana |
| 11 | Dora N. Bowman | 37 | Wife | Cook | Kansas |
| 12 | Vera S. Bowman | 15 | Daughter | — | Montana |
| 13 | Mabel L. Bowman | 12 | Daughter | — | Montana |
| 14 | Kathleen D. Bowman | 9 | Daughter | — | Montana |
| 15 | Charles C. Bowman | 6 | Son | — | Montana |
| 16 | Gilbert A. Adamo | 16 | Nephew | Chore Boy | Wisconsin |
| 17 | Charles F. Olsen | 44 | Boarder | Farm Hand | Montana |
| 18 | Guy E. Davidson | 40 | Boarder | Farm Hand | Illinois |
| 19 | Clarence N. Stevens | 29 | Boarder | Mechanic | Wisconsin |
| 20 | Lee Hephathon | 43 | Head | Farmer | Nebraska |
| 21 | Minnie M. Hephathon | 43 | Wife | — | Nebraska |
| 22 | Harland Hephathon | 18 | Son | Mechanic | Montana |
| 23 | Hazel M. Hephathon | 16 | Daughter | — | Montana |
| 24 | Dorothy M. Hephathon | 14 | Daughter | — | Montana |
| 25 | Leora L. Hephathon | 12 | Daughter | — | Montana |
| 26 | Marjory M. Hephathon | 10 | Daughter | — | Montana |
| 27 | Mortene L. Hephathon | 8 | Daughter | — | Montana |
| 28 | Era L. Hephathon | 6 | Son | — | Montana |
| 29 | Myrtle V. Hephathon | 3 | Daughter | — | Montana |
| 30 | Vivian J. Hephathon | 1 | Daughter | — | Montana |
| 31 | Mae E. Carson | 45 | Head | Farm Mgr. | Montana |
| 32 | Dorothy T. Carson | 12 | Daughter | — | Montana |
| 33 | John J. Carson | 6 | Son | — | Montana |
| 34 | Charles Coon | 47 | Boarder | Farm Hand | Nebraska |
| 35 | Opal F. Bowman | 17 | Head | Asst Bookkeeper | Montana |
| 36 | Alfred J. Harstad | 43 | Head | Carpenter | Minnesota |
| 37 | Julia C. Harstad | 31 | Wife | — | Iowa |
| 38 | John L. Harstad | 1 | Son | — | Montana |
| 39 | Andrew B. Adams | 72 | Head | Farmer | New York |
| 40 | Zeofy J. Adams | 67 | Wife | — | Pennsylvania |
| 41 | Fred A. Adams | 14 | Grand-son | — | Montana |
| 42 | George M. Mota | 42 | Head | Farmer | Greece |
| 43 | Steliane G. Mota | 23 | Wife | — | Greece |
| 44 | John H. Mcdonough THIS PERSON | 37 | Head | Farmer | Scotland |
| 45 | Grace S. Mcdonough | 40 | Wife | — | Wisconsin |
| 46 | Minnie L. Mcdonough | 10 | Daughter | — | Montana |
| 47 | William Mcdonough | 8 | Son | — | Montana |
| 48 | Norman L. Mcdonough | 2 | Son | — | Montana |
| 49 | John F. Mcdonough | 0 | Son | — | Montana |
| 50 | John F. Adamo | 18 | Son | Farm Hand | Montana |
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)