RH
Robert Harper — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Woodbury, Iowa
Our Model Tree links this Robert Harper across the 1910 and 1920 US Censuses in Woodbury, Iowa (XGBoost, ~Confirmed) — first a son (b.~1903), then head of a 10-person household.
Age 17
b. ~1903
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Woodbury, Iowa |
| Surname | Harper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Laborer |
| Industry | Brick Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Sergeant Bluff Village |
| Est. Birth Year | ~1903 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Geo Harper | Head | — | 47 | ~1873 |
| Hattie Harper | Daughter | — | 15 | ~1905 |
| Bessie Harper | Daughter | — | 16 | ~1904 |
| Sarah Harper | Spouse | — | 42 | ~1878 |
| Nellie Harper | Daughter | — | 13 | ~1907 |
| Amanda Harper | Daughter | — | 12 | ~1908 |
| Robert Harper | Son | — | 17 | ~1903 |
| Edward Harper | Son | — | 9 | ~1911 |
| Ina Harper | Daughter | — | 8 | ~1912 |
| Ruth Harper | Daughter | — | 22 | ~1898 |
Census Appearances
1910
Woodbury, Iowa
Son, age 7
Woodbury, Iowa · implied b. ~1903 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Iowa |
| Years Married | English |
| Father's Birthplace | Missouri |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Woodbury, Iowa
Son, age 17
Woodbury, Iowa · implied b. ~1903 — 10 household members
| Surname | Harper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Iowa |
| Occupation | Laborer |
| Industry | Brick Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Robert Harper across 2 US Census years (1910 and 1920) in Woodbury, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Harper
Son · 1920 · age 17 · b. ~1903 · Iowa
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Sibling
Amanda Harper
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Harper
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Harper
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ina Harper
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Harper
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Harper
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nellie Harper
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Woodbury, Iowa
Open full size
1920 US Federal Census — Woodbury, Iowa
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu520unit:0235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | E. F. Brown | 50 | Head | Laborer | Ill |
| 52 | Mary N. Brown | 58 | Wife | — | Denmark |
| 53 | David Lansing | 71 | Head | Plumber | Ohio |
| 54 | Martha J. Lansing | 70 | Wife | — | Michigan |
| 55 | Orlando S. Lansing | 29 | Son | Laborer | Indiana |
| 56 | Ernest S. Lansing | 8 | Grand Son | — | Iowa |
| 57 | Martha Lansing | 1 | Grand Daughter | — | Iowa |
| 58 | Brubaker Milton Lansing | 8 | Board Son | — | Iowa |
| 59 | Geo. M. Harper | 47 | Head | Laborer | Missouri |
| 60 | Sarah J. Harper | 42 | Wife | — | Iowa |
| 61 | Ruth Harper | 22 | Daughter | — | Iowa |
| 62 | Robert Harper THIS PERSON | 17 | Son | Laborer | Iowa |
| 63 | Bessie Harper | 16 | Daughter | — | Nebraska |
| 64 | Hattie Mae Harper | 15 | Daughter | — | Nebraska |
| 65 | Nellie L. Harper | 13 | Daughter | — | Iowa |
| 66 | Amanda F. Harper | 12 | Daughter | — | Iowa |
| 67 | Edward Harper | 9 | Son | — | Iowa |
| 68 | Ina Harper | 8 | Daughter | — | Iowa |
| 69 | Andrew Bowen | 39 | Head | Laborer | Pennsylvania |
| 70 | Harry E. Graham | 30 | Boarder | Laborer | Iowa |
| 71 | Frank Mendicino | 32 | Boarder | Laborer | Italy |
| 72 | Karl Kalpien | 44 | Head | Laborer | Germany |
| 73 | E. Kalpien | 40 | Wife | — | Germany |
| 74 | Albert Kalpien | 7 | Son | — | Iowa |
| 75 | Rudolph Kalpien | 6 | Son | — | Iowa |
| 76 | Charles Kalpien | 3 | Son | — | Iowa |
| 77 | Ole C. Hansen | 44 | Head | — | Denmark |
| 78 | J. R. Lamport | 57 | Head | Manager | Pennsylvania |
| 79 | Bertha Lamport | 36 | Wife | — | Illinois |
| 80 | Carl R. Lamport | 21 | Head | Laborer | Illinois |
| 81 | Agnes S. Lamport | 20 | Wife | — | Nebraska |
| 82 | Ephraim Steward | 32 | Head | Laborer | Iowa |
| 83 | Ollie M. Steward | 28 | Wife | — | Iowa |
| 84 | Edna F. Steward | 7 | Daughter | — | Iowa |
| 85 | Bessie Betts | 20 | Step Daughter | Servant | Iowa |
| 86 | Beula Betts | 16 | Step Daughter | — | Iowa |
| 87 | Henry W. Michaelson | 47 | Head | Farmer | Iowa |
| 88 | Ray A. Orr | 26 | Head | Laborer | Nebraska |
| 89 | Daisie G. Orr | 27 | Wife | — | Iowa |
| 90 | Geo. N. Orr | 1 | Son | — | Iowa |
| 91 | Leonard Boyd | 39 | Head | Carpenter | Wisconsin |
| 92 | Ella E. Boyd | 25 | Wife | — | Iowa |
| 93 | Willie T. Boyd | 6 | Son | — | Wisconsin |
| 94 | Harlan G. Boyd | 4 | Son | — | Wisconsin |
| 95 | Gladis Boyd | 1 | Daughter | — | Iowa |
| 96 | A. T. Cromwell | 34 | Head | Laborer | Iowa |
| 97 | Viola M. Cromwell | 22 | Wife | — | Iowa |
| 98 | Marjorie V. Cromwell | 2 | Daughter | — | Iowa |
| 99 | J. C. Bowen | 46 | Roomer | Laborer | Tennessee |
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)