MR
Margaret Robinson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cedar, Iowa
Our Model Tree links this Margaret Robinson across the 1920 and 1930 US Censuses in Cedar, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 11-person household.
Age 15
b. ~1915
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cedar, Iowa |
| Surname | Robinson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Dayton Township |
| Est. Birth Year | ~1915 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Jane Robinson | Daughter | — | 2 | ~1928 |
| Helen Robinson | Daughter | — | ~1930 | |
| Eve Robinson | Daughter | — | 11 | ~1919 |
| Margaret Robinson | Daughter | — | 15 | ~1915 |
| Maryetta Robinson | Daughter | — | 6 | ~1924 |
| Ruth Robinson | Daughter | — | 14 | ~1916 |
| Ralph Robinson | Head | — | 42 | ~1888 |
| Emma Robinson | Other | — | 43 | ~1887 |
| Kenneth Robinson | Son | — | 19 | ~1911 |
| Ray Robinson | Son | — | 10 | ~1920 |
| John Robinson | Son | — | 4 | ~1926 |
Census Appearances
1920
Cedar, Iowa
Daughter, age 5
Cedar, Iowa · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Robinson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cedar, Iowa
Daughter, age 15
Cedar, Iowa · implied b. ~1915 — 11 household members
| Surname | Robinson |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| 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 Margaret Robinson across 2 US Census years (1920 and 1930) in Cedar, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Robinson
Daughter · 1930 · age 15 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
Ruth Robinson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Robinson
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eve Robinson
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Robinson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Robinson
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maryetta Robinson
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Robinson
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Robinson
Sibling · 1930 · age 2
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 — Cedar, Iowa
Open full size
1930 US Federal Census — Cedar, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel646:1011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John E. Tenley | 22 | Head | General Farm | Pennsylvania |
| 52 | Florence M. Tenley | 30 | Wife-H | None | Iowa |
| 53 | Marilyn Tenley | 6 | Daughter | None | Iowa |
| 54 | James Tenley | 4 | Son | None | Iowa |
| 55 | Robert J. Mcclellan | 25 | Head | Farmer | Iowa |
| 56 | Agnes Mcclellan | 24 | Wife-H | None | Iowa |
| 57 | Edgar Mcclellan | 17 | Brother | None | Iowa |
| 58 | W. Nelson Delaney | 39 | Head | Farmer | Iowa |
| 59 | Mildred Delaney | 39 | Wife-H | None | Iowa |
| 60 | Howard Delaney | 18 | Son | Salesman | Iowa |
| 61 | Arthur Delaney | 7 | Son | None | Iowa |
| 62 | William C. Delaney | 68 | Father | None | Ohio |
| 63 | Richard Thomson | 24 | Head | Farmer | Iowa |
| 64 | Anna Thomson | 20 | Wife-H | None | Iowa |
| 65 | Roland D. Thomson | 2 | Son | None | Iowa |
| 66 | Leland A. Thomson | 0 | Son | None | Iowa |
| 67 | Ralph R. Robinson | 42 | Head | Farmer | Iowa |
| 68 | Emma R. Robinson | 43 | Wife-H | None | Iowa |
| 69 | Kenneth Robinson | 19 | Son | Farm Laborer | Iowa |
| 70 | Margaret Robinson THIS PERSON | 15 | Daughter | None | Iowa |
| 71 | Ruth Robinson | 14 | Daughter | None | Iowa |
| 72 | Eve Robinson | 11 | Daughter | None | Iowa |
| 73 | Ray Robinson | 10 | Son | None | Iowa |
| 74 | Maryetta Robinson | 6 | Daughter | None | Iowa |
| 75 | John Robinson | 4 | Son | None | Iowa |
| 76 | Jane Robinson | 2 | Daughter | None | Iowa |
| 77 | Helen L. Robinson | 0 | Daughter | None | Iowa |
| 78 | Fred D. Meyer | 41 | Head | Farmer | Germany |
| 79 | Dora Meyer | 38 | Wife-H | None | Germany |
| 80 | Leona Meyer | 16 | Daughter | None | Iowa |
| 81 | Richard Meyer | 14 | Son | None | Iowa |
| 82 | Orville Meyer | 12 | Son | None | Iowa |
| 83 | Herman Hunwardsen | 20 | Boarder | Farm Laborer | Iowa |
| 84 | Theo H. Heldermith | 47 | Head | Farmer | Iowa |
| 85 | Amanda Heldermith | 44 | Wife-H | None | Iowa |
| 86 | Marvin Heldermith | 18 | Son | None | Iowa |
| 87 | Harlan Heldermith | 15 | Son | None | Iowa |
| 88 | Richard Heldermith | 11 | Son | None | Iowa |
| 89 | Warren Heldermith | 4 | Son | None | Iowa |
| 90 | Vernon Heldermith | 2 | Son | None | Iowa |
| 91 | Henry C. Heldermith | 51 | Brother | None | Iowa |
| 92 | William T. Craig | 72 | Head | Farmer | Indiana |
| 93 | Rosa Craig | 66 | Wife-H | None | Pennsylvania |
| 94 | William G. Spear | 57 | Head | Farmer | Iowa |
| 95 | Clara Spear | 54 | Wife-H | None | Iowa |
| 96 | Everett Spear | 33 | Son | Farm Laborer | Iowa |
| 97 | Walter Kutter | 29 | Boarder | Farm Laborer | Iowa |
| 98 | George G. Meier | 30 | Head | Farmer | Iowa |
| 99 | Velma Meier | 33 | Wife-H | None | Iowa |
| 100 | Duane Meier | 4 | Son | None | 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)