JD
James Dunlap — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Poweshiek, Iowa
Our Model Tree links this James Dunlap across the 1900, 1910 and 1920 US Censuses in Poweshiek, Iowa (XGBoost, ~Confirmed) — first a head (b.~1837), then head of a 3-person household.
Age 83
b. ~1837
Male
Head
Born: Pennsylvania
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Poweshiek, Iowa |
| Surname | Dunlap |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 83 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Bear Creek Township |
| Est. Birth Year | ~1837 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| W Dunlap | Son | — | 53 | ~1867 |
| James Dunlap | Head | — | 83 | ~1837 |
| Jennie Dunlap | Spouse | — | 85 | ~1835 |
Census Appearances
1900
Poweshiek, Iowa
Head, age 63
Poweshiek, Iowa · implied b. ~1837 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Jan |
| Birth Year | 1837 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Poweshiek, Iowa
Head, age 73
Poweshiek, Iowa · implied b. ~1837 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunlap |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 73 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 49 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Poweshiek, Iowa
Head, age 83
Poweshiek, Iowa · implied b. ~1837 — 3 household members
| Surname | Dunlap |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 83 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Poweshiek, Iowa, using XGBoost record linkage.
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This person
Anchor record
James Dunlap
Head · 1920 · age 83 · b. ~1837 · Iowa
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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 — Poweshiek, Iowa
Open full size
1920 US Federal Census — Poweshiek, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu511unit:0013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Almon Mowrey | 50 | Head | Farmer | Michigan |
| 52 | Anna Mowrey | 45 | Wife | — | Michigan |
| 53 | May Mowrey | 24 | Daughter | — | Iowa |
| 54 | Fern Mowrey | 16 | Daughter | — | Iowa |
| 55 | Joseph Linn | 27 | Head | Farmer | Illinois |
| 56 | Selma Linn | 25 | Wife | — | Iowa |
| 57 | Evalina Linn | 5 | Daughter | — | Iowa |
| 58 | Thelma Linn | 4 | Daughter | — | Iowa |
| 59 | Wesley Linn | 1 | Son | — | Iowa |
| 60 | W. H. Hurst | 51 | Head | Farmer | Illinois |
| 61 | Myrtle Hurst | 42 | Wife | — | Iowa |
| 62 | Berton Hurst | 21 | Son | — | Iowa |
| 63 | Russell Hurst | 15 | Son | Farm Hand | Iowa |
| 64 | Paul Clayton | 21 | Employee | Farm Hand | Indiana |
| 65 | T. H. Johnson | 45 | Head | Farmer | Kentucky |
| 66 | Jennie Johnson | 40 | Wife | — | Kentucky |
| 67 | Lucile Johnson | 16 | Daughter | — | Kentucky |
| 68 | Clifton Johnson | 10 | Son | — | Iowa |
| 69 | Lloyd Johnson | 1 | Son | — | Iowa |
| 70 | Paul Patten | 20 | Employee | Farm Hand | Iowa |
| 71 | Ben Kensinger | 44 | Head | Farmer | Iowa |
| 72 | Carrie Kensinger | 41 | Wife | — | Iowa |
| 73 | Catherine Kensinger | 8 | Daughter | — | Iowa |
| 74 | August Dekilder | 50 | Head | Farmer | Belgium |
| 75 | Mary Dekilder | 38 | Wife | — | Belgium |
| 76 | Bruno Dekilder | 25 | Son | Farm Hand | Iowa |
| 77 | Clara Dekilder | 19 | Daughter | — | Iowa |
| 78 | Lewis Dekilder | 18 | Son | Farm Hand | Iowa |
| 79 | Arthur Dekilder | 17 | Son | Farm Hand | Iowa |
| 80 | Mary Dekilder | 16 | Daughter | — | Iowa |
| 81 | Lizzy Dekilder | 11 | Daughter | — | Iowa |
| 82 | Chas Knife | 36 | Head | Farmer | Iowa |
| 83 | Rose Knife | 33 | Wife | — | New Jersey |
| 84 | Paul Knife | 12 | Son | — | Iowa |
| 85 | Mildred Knife | 10 | Daughter | — | Iowa |
| 86 | Carroll Knife | 7 | Son | — | Iowa |
| 87 | Arline Knife | 2 | Daughter | — | Iowa |
| 88 | James Dunlap THIS PERSON | 83 | Head | — | Pennsylvania |
| 89 | Jennie Dunlap | 85 | Wife | — | Pennsylvania |
| 90 | W. B. Dunlap | 53 | Son | Farmer | Pennsylvania |
| 91 | Ernest De Loof | 38 | Head | Farmer | Belgium |
| 92 | Augusta De Loof | 34 | Wife | — | Iowa |
| 93 | August De Loof | 17 | Son | — | Iowa |
| 94 | Leona De Loof | 4 | Daughter | — | Iowa |
| 95 | Marian De Loof | 0 | Daughter | — | Iowa |
| 96 | W. Liverson | 35 | Head | Farmer | Iowa |
| 97 | May Liverson | 36 | Wife | — | Iowa |
| 98 | Kenneth Liverson | 11 | Son | — | Iowa |
| 99 | Vada Liverson | 5 | Daughter | — | Iowa |
| 100 | Beulah Liverson | 3 | Daughter | — | Iowa |
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)