GJ
Gerald Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Boone, Iowa
Our Model Tree links this Gerald Johnson across the 1920 and 1930 US Censuses in Boone, Iowa (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 8-person household.
Age 14
b. ~1916
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Boone, Iowa |
| Surname | Johnson |
| Given Name | Gerald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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 | Boone City |
| Est. Birth Year | ~1916 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Gerald | Age | Birth yr |
|---|---|---|---|---|
| Maxine Johnson | Daughter | — | 12 | ~1918 |
| Harold Johnson | Son | — | 10 | ~1920 |
| Fred Johnson | Son | — | 8 | ~1922 |
| Gerald Johnson | Son | — | 14 | ~1916 |
| Arthur Johnson | Head | — | 36 | ~1894 |
| Bruce Johnson | Son | — | 3 | ~1927 |
| Arthur Johnson | Son | — | 1 | ~1929 |
| Violet Johnson | Spouse | — | 33 | ~1897 |
Census Appearances
1920
Boone, Iowa
Son, age 3
Boone, Iowa · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Gerald R. |
| 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 |
1930
Boone, Iowa
Son, age 14
Boone, Iowa · implied b. ~1916 — 8 household members
| Surname | Johnson |
| Given Name | Gerald R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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 Gerald Johnson across 2 US Census years (1920 and 1930) in Boone, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Gerald Johnson
Son · 1930 · age 14 · b. ~1916 · Iowa
★ You are viewing this record
Sibling
Bruce Johnson
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Johnson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Johnson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Johnson
Sibling · 1930 · age 10
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:iowacensus00reel643:0735)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emil Clausen | 38 | Head | Laborer | Sweden |
| 2 | Anna Clausen | 30 | Wife | — | Iowa |
| 3 | Virgil Clausen | 10 | Son | — | Minnesota |
| 4 | Sarah J. Crouch | 78 | Head | — | England |
| 5 | Arthur B. Johnson | 36 | Head | Sta. Fireman | Iowa |
| 6 | Violet M. Johnson | 33 | Wife | — | Iowa |
| 7 | Gerald R. Johnson THIS PERSON | 14 | Son | — | Iowa |
| 8 | Maxine L. Johnson | 12 | Daughter | — | Iowa |
| 9 | Harold D. Johnson | 10 | Son | — | Iowa |
| 10 | Fred H. Johnson | 8 | Son | — | Iowa |
| 11 | Bruce W. Johnson | 3 | Son | — | Iowa |
| 12 | Arthur Jr. Johnson | 1 | Son | — | Iowa |
| 13 | Mary E. Robinson | 59 | Head | Cook | Iowa |
| 14 | Amanda L. Robinson | 23 | Daughter | — | Iowa |
| 15 | Irmay Evelyn Robinson | 14 | Daughter | — | South Dak. |
| 16 | Edward Robinson | 12 | Son | — | Iowa |
| 17 | Charles G. Hartquist | 49 | Head | Salesman | Sweden |
| 18 | Lester C. Hartquist | 22 | Son | Lineman | Iowa |
| 19 | Frederic C. Hartquist | 16 | Son | — | Iowa |
| 20 | Raymond W. Hartquist | 12 | Son | — | Iowa |
| 21 | Frank E. Harrison | 44 | Head | — | Ohio |
| 22 | Eva L. Harrison | 58 | Wife | — | Iowa |
| 23 | Frank Jr. Harrison | 15 | Son | — | Iowa |
| 24 | Margaret Harrison | 75 | Sister | — | Ohio |
| 25 | Orlando Currier | 32 | Head | Machinist | Iowa |
| 26 | Mary Currier | 32 | Wife | Presser | Iowa |
| 27 | Robert Currier | 11 | Son | — | Iowa |
| 28 | Norma J. Currier | 7 | Daughter | — | Iowa |
| 29 | James Garland | 71 | Head | Laborer | Iowa |
| 30 | Elizabeth Garland | 70 | Wife | — | Iowa |
| 31 | Earl Mccoy | 12 | Nephew | — | Iowa |
| 32 | Michael Hughes | 59 | Head | — | Ireland |
| 33 | Nora Hughes | 76 | Wife | — | New York |
| 34 | Marie K. Hughes | 36 | Daughter | Clerk | Iowa |
| 35 | Edith Flannery | 53 | Head | Machinist | Iowa |
| 36 | Catherine Flannery | 30 | Daughter | — | Ireland F.S. |
| 37 | Clement Flannery | 26 | Son | Clerk | Iowa |
| 38 | Genevieve Flannery | 23 | Daughter | Bookkeeper | Iowa |
| 39 | Catherine Flannery | 20 | Daughter | — | Iowa |
| 40 | Josephine Flannery | 16 | Daughter | — | Iowa |
| 41 | Dorothy Flannery | 11 | Daughter | — | Iowa |
| 42 | Lee A. Robertson | 42 | Head | Conductor | Iowa |
| 43 | Mabel Robertson | 43 | Wife | — | Iowa |
| 44 | Ellen Robertson | 13 | Daughter | — | Iowa |
| 45 | Marjorie Robertson | 11 | Daughter | — | Iowa |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | Fred Cole | 47 | Head | Agent | Iowa |
| 50 | Blanche L. Cole | 48 | Wife | — | Iowa |
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)