RJ
Rosa Johnson — 1900 US Census Record
Linked across censuses1900 United States Federal Census · Humboldt, Iowa
Our Model Tree links this Rosa Johnson across the 1900 and 1910 US Censuses in Humboldt, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1896), then head of a 10-person household.
Age 4
b. ~1896
Female
Daughter
Born: Iowa
Single
1900 Census Record Details
| Census Year | 1900 |
| Location | Humboldt, Iowa |
| Surname | Johnson |
| Given Name | Rosa |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Oct |
| Birth Year | 1896 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Delana Township |
| Est. Birth Year | ~1896 |
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 1900 census.
| Name | Relation to head | Relative to Rosa | Age | Birth yr |
|---|---|---|---|---|
| Hattie Johnson | Daughter | — | 16 | ~1884 |
| Annie Johnson | Daughter | — | 9 | ~1891 |
| Rosa Johnson | Daughter | — | 4 | ~1896 |
| Minnie Johnson | Daughter | — | 6 | ~1894 |
| Ole Johnson | Head | — | 41 | ~1859 |
| Olaf Johnson | Son | — | 11 | ~1889 |
| Martin Johnson | Son | — | 21 | ~1879 |
| Edwin Johnson | Son | — | 13 | ~1887 |
| John Johnson | Son | — | 22 | ~1878 |
| Mary Johnson | Spouse | — | 44 | ~1856 |
Census Appearances
1900
Humboldt, Iowa
Daughter, age 4
Humboldt, Iowa · implied b. ~1896 — 10 household members
| Surname | Johnson |
| Given Name | Rosa |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Oct |
| Birth Year | 1896 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Daughter, age 13
Humboldt, Iowa · implied b. ~1897 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Rose N. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| 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 Rosa Johnson across 2 US Census years (1900 and 1910) in Humboldt, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Rosa Johnson
Daughter · 1900 · age 4 · b. ~1896 · Iowa
★ You are viewing this record
Sibling
Annie Johnson
Sibling · 1900 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Minnie Johnson
Sibling · 1900 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Olaf Johnson
Sibling · 1900 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Johnson
Sibling · 1900 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edwin Johnson
Sibling · 1900 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hattie Johnson
Sibling · 1900 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Johnson
Sibling · 1900 · age 22
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
1900 US Federal Census — Humboldt, Iowa
Open full size
1900 US Federal Census — Humboldt, Iowa
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu437unit:0470)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Gustav Melvin | 20 | Servant | Farm Labor | Norway |
| 52 | Nels Ruse | 42 | Head | Farmer | Germany |
| 53 | Ambie Ruse | 45 | Wife | — | Bohemia |
| 54 | Charles Ruse | 25 | Son | Farm Labor | Iowa |
| 55 | Mary Ruse | 23 | Daughter | — | Iowa |
| 56 | Frank Ruse | 21 | Son | Farm Labor | Iowa |
| 57 | Henry Ruse | 17 | Son | Farm Labor | Iowa |
| 58 | John Ruse | 15 | Son | Farm Labor | Iowa |
| 59 | Annie Ruse | 10 | Daughter | At School | Iowa |
| 60 | Katie Ruse | 7 | Daughter | At School | Iowa |
| 61 | Barbara Ruse | 4 | Daughter | — | Oklahoma |
| 62 | Louis Ruse | 67 | Head | Farmer | Germany |
| 63 | Christian Nelson | 53 | Head | Farmer | Norway |
| 64 | Betsy Nelson | 42 | Wife | — | Norway |
| 65 | Lena Nelson | 22 | Daughter | — | Iowa |
| 66 | Eddina Nelson | 17 | Daughter | — | Iowa |
| 67 | Susan H. Nelson | 15 | Son | At School | Iowa |
| 68 | Elmer G. Nelson | 14 | Son | At School | Iowa |
| 69 | Alice Nelson | 9 | Daughter | — | Iowa |
| 70 | William Boyle | 36 | Head | Farmer | Iowa |
| 71 | Maria E. Boyle | 30 | Wife | — | Iowa |
| 72 | Eva E. Boyle | 7 | Daughter | — | Iowa |
| 73 | Glen Boyle | 4 | Son | — | Iowa |
| 74 | Melvin Neal | 52 | Head | Farmer | Maine |
| 75 | Esther Neal | 44 | Wife | — | Wisconsin |
| 76 | Ira Neal | 20 | Son | Farm Labor | Iowa |
| 77 | Estella Neal | 18 | Daughter | — | Iowa |
| 78 | Melvin Neal | 11 | Son | At School | Iowa |
| 79 | Harry Neal | 4 | Son | — | Iowa |
| 80 | George Briggs | 61 | Boarder | — | Maine |
| 81 | Lucia Briggs | 58 | Sister | — | Maine |
| 82 | Florence Briggs | 19 | Niece | — | Iowa |
| 83 | Cyrus Hunt | 28 | Head | Farmer | Iowa |
| 84 | Josephine Hunt | 34 | Wife | — | Illinois |
| 85 | Ole Johnson | 40 | Head | Farmer | Norway |
| 86 | Mary Johnson | 44 | Wife | — | Norway |
| 87 | John O. Johnson | 21 | Son | Farm Labor | Iowa |
| 88 | Martin L. Johnson | 20 | Son | Farm Labor | Iowa |
| 89 | Hattie P. Johnson | 15 | Daughter | At School | Iowa |
| 90 | Edwin A. Johnson | 13 | Son | At School | Iowa |
| 91 | Olaf N. Johnson | 11 | Son | At School | Iowa |
| 92 | Annie M. Johnson | 8 | Daughter | At School | Iowa |
| 93 | Minnie Johnson | 6 | Daughter | — | Iowa |
| 94 | Rosa Johnson THIS PERSON | 3 | Daughter | — | Iowa |
| 95 | Sam Ophrem | 29 | Head | Farmer | Iowa |
| 96 | Alice Ophrem | 28 | Wife | — | Norway |
| 97 | Timothy Ophrem | 66 | Father | — | Norway |
| 98 | Robert Clark | 53 | Head | Farmer | Maine |
| 99 | Grace G. Clark | 48 | Wife | — | New York |
| 100 | George E. Clark | 25 | Son | Farm Labor | Iowa |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)