DJ
Donald Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Boone, Iowa
Our Model Tree links this Donald Johnson across the 1910, 1920 and 1930 US Censuses in Boone, Iowa (XGBoost, ~Confirmed), with identified parents Ira & May — first a son (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boone, Iowa |
| Surname | Johnson |
| Given Name | Donald W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Union Township Part Of |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Johnson | Daughter | — | 23 | ~1907 |
| Ira Johnson | Head | — | 58 | ~1872 |
| Mary Johnson | Other | — | 53 | ~1877 |
| Alonzo Catton | Other | — | 26 | ~1904 |
| Donald Johnson | Son | — | 23 | ~1907 |
Census Appearances
1910
Boone, Iowa
Son, age 3
Boone, Iowa · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Boone, Iowa
Son, age 13
Boone, Iowa · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Donald W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Boone, Iowa
Son, age 23
Boone, Iowa · implied b. ~1907 — 5 household members
| Surname | Johnson |
| Given Name | Donald W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | 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 Donald Johnson across 3 US Census years (1910, 1920 and 1930) in Boone, Iowa, using XGBoost record linkage. Identified parents: father Ira Johnson (~0.92 confidence) and mother May Johnson (~0.92 confidence) and mother Ira Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Johnson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
May Johnson
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Ira Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Johnson
Son · 1930 · age 23 · b. ~1907 · Iowa
★ You are viewing this record
Sibling
Dorothy Johnson
Sibling · 1930 · age 23
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
1930 US Federal Census — Boone, Iowa
Open full size
1930 US Federal Census — Boone, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel644:0085)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Francis M. Clark | 34 | Head | Farmer | Iowa |
| 52 | Mary A. Clark | 29 | Wife-H | — | Iowa |
| 53 | Jesse Clark | 63 | Head | Farmer | Ohio |
| 54 | Blair F. Clark | 56 | Wife-H | — | Iowa |
| 55 | Walter C. Johnson | 44 | Head | Farmer | Iowa |
| 56 | Grace M. Johnson | 43 | Wife-H | — | Iowa |
| 57 | Doris L. Johnson | 18 | Daughter | Bookkeeper | Iowa |
| 58 | Kenneth W. Johnson | 15 | Son | — | Iowa |
| 59 | Dora A. Ballantine | 44 | Head-H | Farmer | Iowa |
| 60 | Earl Smith | 36 | Head | Farmer | Illinois |
| 61 | Cora M. Smith | 39 | Wife-H | — | Iowa |
| 62 | Paul D. Smith | 11 | Son | — | Iowa |
| 63 | Walter D. Smith | 11 | Son | — | Iowa |
| 64 | Harry L. Mccall | 21 | Step-son | Farm Laborer | Iowa |
| 65 | Betty J. Smith | 8 | Daughter | — | Iowa |
| 66 | Mabel L. Monfort | 56 | Head | — | Illinois |
| 67 | Eliza Monfort | 51 | Wife-H | — | England |
| 68 | Howard M. Monfort | 24 | Son | Farmer | Iowa |
| 69 | Ray E. Monfort | 13 | Son | — | Iowa |
| 70 | Mary Monfort | 22 | Daughter-in-law | — | Iowa |
| 71 | Barbara M. Monfort | 3 | Gr-daughter | — | Iowa |
| 72 | Lloyd E. Monfort | 1 | Gr-son | — | Iowa |
| 73 | George H. Nath | 37 | Head | Farmer | Iowa |
| 74 | Hazel P. Nath | 29 | Wife-H | — | Illinois |
| 75 | Verna M. Nath | 6 | Daughter | — | Iowa |
| 76 | Harry Nath | 30 | Head | Farm Laborer | Iowa |
| 77 | Cleora O. Nath | 22 | Wife-H | — | Iowa |
| 78 | Ira C. Johnson | 58 | Head | Farmer | Iowa |
| 79 | Mary Johnson | 53 | Wife-H | — | Iowa |
| 80 | Dorothy M. Johnson | 23 | Daughter | — | Iowa |
| 81 | Donald W. Johnson THIS PERSON | 23 | Son | — | Iowa |
| 82 | Alonzo B. Catton | 26 | Hired man | Farm Laborer | Iowa |
| 83 | Elmer M. Brelsford | 57 | Head | Farmer | Iowa |
| 84 | Mary L. Brelsford | 41 | Wife-H | — | Iowa |
| 85 | Beulah M. Brelsford | 17 | Daughter | — | Iowa |
| 86 | Harold M. Brelsford | 15 | Son | — | Iowa |
| 87 | Marion E. Brelsford | 13 | Son | — | Iowa |
| 88 | Kenneth W. Brelsford | 11 | Son | — | Iowa |
| 89 | Lloyd L. Brelsford | 8 | Son | — | Iowa |
| 90 | Betty L. Brelsford | 5 | Daughter | — | Iowa |
| 91 | Katherine L. Brelsford | 3 | Daughter | — | Iowa |
| 92 | Delbert E. Brelsford | 1 | Son | — | Iowa |
| 93 | John Hill | 31 | Hired man | Farm Laborer | Pennsylvania |
| 94 | Cyrus B. Fulkerson | 57 | Head | Farmer | Iowa |
| 95 | Edith L. Fulkerson | 49 | Wife-H | — | Iowa |
| 96 | Barton Robins | 18 | Hired man | Farm Laborer | Iowa |
| 97 | Agnes D. Beers | 41 | Head-HO | Farmer | Iowa |
| 98 | Beatrice L. Beers | 16 | Daughter | — | Iowa |
| 99 | Howard Sayles | 54 | Head | Farmer | Iowa |
| 100 | Lucretia I. Sayles | 51 | Wife-H | — | Iowa |
Related Census Records
Pedigree Summary
Donald + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)