JD
James Dunlap — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Custer, Montana
Our Model Tree links this James Dunlap across the 1900, 1910 and 1920 US Censuses in Custer, Montana (XGBoost, ~Confirmed) — first a head (b.~1858), then head of a 4-person household.
Age 62
b. ~1858
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Custer, Montana |
| Surname | Dunlap |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1868 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Stock Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1873 |
| Birthplace (normalized) | ireland |
| Occupation | Farmer |
| Township / Ward | School District 25 |
| Est. Birth Year | ~1858 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ida Dunlap | Daughter | — | 19 | ~1901 |
| James Dunlap | Head | — | 62 | ~1858 |
| Mary Dunlap | Other | — | 15 | ~1905 |
| Stine Dunlap | Spouse | — | 55 | ~1865 |
Census Appearances
1900
Custer, Montana
Head, age 43
Custer, Montana · implied b. ~1857 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Jan |
| Birth Year | 1857 |
| Year of Immigration | 1868 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Custer, Montana
Head, age 52
Custer, Montana · implied b. ~1858 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | Jim |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 24 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Custer, Montana
Head, age 62
Custer, Montana · implied b. ~1858 — 4 household members
| Surname | Dunlap |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1868 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | Stock Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1873 |
| Birthplace (normalized) | ireland |
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 James Dunlap across 3 US Census years (1900, 1910 and 1920) in Custer, Montana, using XGBoost record linkage.
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This person
Anchor record
James Dunlap
Head · 1920 · age 62 · b. ~1858 · Montana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Custer, Montana
Open full size
1920 US Federal Census — Custer, Montana
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu969unit:0579)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis J. Lilienthal | 41 | Head | Farmer | Germany |
| 2 | Anna E. Lilienthal | 37 | Wife | None | Germany |
| 3 | Martha A. Lilienthal | 17 | daughter | None | Minnesota |
| 4 | Albert B. Lilienthal | 16 | son | None | Minnesota |
| 5 | Alice M. Lilienthal | 10 | daughter | None | Minnesota |
| 6 | Albert Paupach | 40 | Head | Farmer | Denmark |
| 7 | Marie Paupach | 38 | Wife | None | Hungary |
| 8 | Paul P. Paupach | 5 | son | None | Washington |
| 9 | Karl Paupach | 4 | son | None | Montana |
| 10 | Nels Jensen | 49 | Head | Farmer | Denmark |
| 11 | Cicilie Jensen | 38 | Wife | None | Denmark |
| 12 | Nettie C. Jensen | 11 | daughter | None | Wisconsin |
| 13 | Robert J. Jensen | 6 | son | None | Montana |
| 14 | Richard Jensen | 4 | son | None | Montana |
| 15 | Ruth M. Jensen | 2 | daughter | None | Montana |
| 16 | Ralph Jensen | 0 | son | None | Montana |
| 17 | Viola Jensen | 1 | daughter | None | Montana |
| 18 | Arthur J. Packer | 47 | Head | Farmer | England |
| 19 | Lorena Packer | 48 | Wife | None | Iowa |
| 20 | Doris L. Packer | 6 | daughter | None | Montana |
| 21 | Dan Martin | 51 | Head | Section Laborer | Roumania |
| 22 | Jens P. Jensen | 34 | Head | Section Laborer | Denmark |
| 23 | Christian P. Berg | 50 | Head | Section Foreman | Norway |
| 24 | Stena Berg | 50 | Wife | None | Norway |
| 25 | Harry P. Berg | 18 | son | None | North Dakota |
| 26 | Minnie C. Berg | 5 | Grand daughter | None | Montana |
| 27 | Soren M. Anderson | 29 | Head | Farmer | Montana |
| 28 | Elsie M. Anderson | 62 | Mother | None | Denmark |
| 29 | George J. Seifert | 32 | Hired man | Farm Laborer | Wisconsin |
| 30 | Elisha Maught | 61 | Head | Farmer | Iowa |
| 31 | Nancy Foster | 85 | Mother | None | Indiana |
| 32 | Robert P. Huffey | 66 | Head | Carpenter | Sweden |
| 33 | James Dunlap THIS PERSON | 62 | Head | Farmer | Ireland |
| 34 | Stine Dunlap | 55 | Wife | None | Denmark |
| 35 | Ida L. Dunlap | 19 | daughter | Teacher | Montana |
| 36 | Mary Dunlap | 15 | Grand daughter | None | Wyoming |
| 37 | William H. Montgomery | 51 | Head | Station Agent | Wisconsin |
| 38 | Maud B. Montgomery | 43 | Wife | Telegrapher | Minnesota |
| 39 | Marjorie M. Montgomery | 8 | daughter | None | Minnesota |
| 40 | Donald B. Montgomery | 6 | son | None | Minnesota |
| 41 | Charles H. Norman | 44 | Head | Telegrapher | Wisconsin |
| 42 | Catherine Norman | 38 | Wife | None | Minnesota |
| 43 | James M. Russel | 43 | Head | Farmer | Missouri |
| 44 | Jennie Russel | 33 | Wife | None | Montana |
| 46 | Catherine Corcoran | 19 | Head | Telegrapher | Minnesota |
| 47 | Fred W. Steve | 42 | Head | Foreman Manager | Illinois |
| 48 | Jeanette A. Steve | 29 | Wife | None | Montana |
| 49 | Alvin Steve | 7 | son | None | Michigan |
| 50 | Clarence Lambman | 26 | Head | Farm Laborer | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)