CR
Charles Robbins — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Polk, Iowa
Our Model Tree links this Charles Robbins across the 1930 and 1940 US Censuses in Polk, Iowa (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 12-person household.
Age 4
b. ~1926
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Polk, Iowa |
| Surname | Robbins |
| Given Name | Charles E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines |
| Est. Birth Year | ~1926 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Linda Robbins | Other | — | 70 | ~1860 |
| Ora Robbins | Daughter | — | 15 | ~1915 |
| Harold Robbins | Other | — | 17 | ~1913 |
| Harry Robbins | Son | — | 6 | ~1924 |
| Ernest Robbins | Son | — | 11 | ~1919 |
| Ruby Robbins | Daughter | — | 9 | ~1921 |
| Albert Robbins | Son | — | 2 | ~1928 |
| John Robbins | Head | — | 52 | ~1878 |
| Goldie Robbins | Daughter | — | 13 | ~1917 |
| Charles Robbins | Son | — | 4 | ~1926 |
| Doris Robbins | Son | — | 7 | ~1923 |
| Pearl Robbins | Other | — | 29 | ~1901 |
Census Appearances
1930
Polk, Iowa
Son, age 4
Polk, Iowa · implied b. ~1926 — 12 household members
| Surname | Robbins |
| Given Name | Charles E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Son, age 14
Polk-County, Iowa · implied b. ~1926 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robins |
| Given Name | Charles M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| 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 Charles Robbins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Robbins
Son · 1930 · age 4 · b. ~1926 · Iowa
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Sibling
Goldie Robbins
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Robbins
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Robbins
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ora Robbins
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Robbins
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Robbins
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Robbins
Sibling · 1930 · age 9
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 — Polk, Iowa
Open full size
1930 US Federal Census — Polk, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel677:0912)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Josiah Evans | 85 | Head | None - Retired | Ohio |
| 52 | Fred R. Dunker | 42 | Head | Electrician | Iowa |
| 53 | Grace R. Dunker | 39 | Wife-H | — | Iowa |
| 54 | Donald L. Dunker | 12 | Son | — | Iowa |
| 55 | Bertha Butler | 72 | Mother-in-law | — | United States |
| 56 | William R. Marquis | 81 | Head | None - Retired | Illinois |
| 57 | Emma C. Marquis | 79 | Wife-H | — | Sweden |
| 58 | Ralph C. Marquis | 34 | Son | Fireman | Illinois |
| 59 | Vera Marquis | 31 | Daughter-in-law | — | Iowa |
| 60 | Allen Marquis | 5 | Grandson | — | Iowa |
| 61 | Nettie Marquis | 3 | Granddaughter | — | Iowa |
| 62 | Jesse C. Palmer | 37 | Head | Common Labor | Iowa |
| 63 | Melva Palmer | 36 | Wife-H | — | Iowa |
| 64 | Leonard A. Palmer | 16 | Son | — | Iowa |
| 65 | Jesse J. Palmer | 14 | Son | — | Iowa |
| 66 | Melva M. Palmer | 10 | Daughter | — | Iowa |
| 67 | Charles R. Palmer | 9 | Son | — | Iowa |
| 68 | Elsa B. Palmer | 5 | Daughter | — | Iowa |
| 69 | John A. Palmer | 3 | Son | — | Iowa |
| 70 | Harriet H. Palmer | 1 | Daughter | — | Iowa |
| 71 | John H. Robbins | 52 | Head | Common Labor | Missouri |
| 72 | Pearl L. Robbins | 29 | Wife-H | — | Missouri |
| 73 | Ora B. Robbins | 15 | Daughter | — | Iowa |
| 74 | Harold A. Robbins | 17 | Son-in-law | Common Labor | Iowa |
| 75 | Goldie L. Robbins | 13 | Daughter | — | Iowa |
| 76 | Ernest J. Robbins | 11 | Son | — | Iowa |
| 77 | Ruby L. Robbins | 9 | Daughter | — | Iowa |
| 78 | Doris Robbins | 7 | Son | — | Iowa |
| 79 | Harry R. Robbins | 6 | Son | — | Iowa |
| 80 | Charles E. Robbins THIS PERSON | 4 | Son | — | Iowa |
| 81 | Albert L. Robbins | 2 | Son | — | Iowa |
| 82 | Linda L. Robbins | 70 | Mother-in-law | — | Missouri |
| 83 | M. Kelly Maxwell | 39 | Head | Teamster | Iowa |
| 84 | Eva E. Maxwell | 37 | Wife-H | — | Iowa |
| 85 | William O. Maxwell | 18 | Son | Common Labor | Iowa |
| 86 | M. Virgil Maxwell | 16 | Son | — | Iowa |
| 87 | Florence E. Maxwell | 11 | Daughter | — | Iowa |
| 88 | R. Harold Maxwell | 9 | Son | — | Iowa |
| 89 | Doris M. Maxwell | 6 | Daughter | — | Iowa |
| 90 | Darlene M. Maxwell | 1 | Daughter | — | Iowa |
| 91 | Garrett J. Kuyper | 37 | Head | Chauffeur | Iowa |
| 92 | Elizabeth Kuyper | 35 | Wife-H | Clerk | Iowa |
| 93 | Garrett M. Kuyper | 14 | Son | — | Iowa |
| 94 | Iva M. Kuyper | 13 | Daughter | — | Iowa |
| 95 | Lena Nolte | 66 | Mother-in-law | — | Germany |
| 96 | — | None | — | — | — |
| 97 | — | None | — | — | — |
| 98 | — | None | — | — | — |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
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)