CM
Catherine Mcdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pottawattamie, Iowa
Our Model Tree links this Catherine Mcdonald across the 1930 and 1940 US Censuses in Pottawattamie, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 11-person household.
Age 4
b. ~1926
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pottawattamie, Iowa |
| Surname | McDonald |
| Given Name | Catherine R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Minden Township Part Of |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Catherine | Age | Birth yr |
|---|---|---|---|---|
| P Mcdonald | Head | — | 38 | ~1892 |
| Phyllis Mcdonald | Daughter | — | 12 | ~1918 |
| Marie Mcdonald | Daughter | — | 15 | ~1915 |
| John Mcdonald | Other | — | 68 | ~1862 |
| Francis Mcdonald | Son | — | 7 | ~1923 |
| Helenclare Mcdonald | Daughter | — | 2 | ~1928 |
| Emmett Mcdonald | Son | — | 10 | ~1920 |
| Loretta Mcdonald | Daughter | — | ~1930 | |
| Mary Mcdonald | Spouse | — | 39 | ~1891 |
| Catherine Mcdonald | Daughter | — | 4 | ~1926 |
| Cletus Mcdonald | Son | — | 9 | ~1921 |
Census Appearances
1930
Pottawattamie, Iowa
Daughter, age 4
Pottawattamie, Iowa · implied b. ~1926 — 11 household members
| Surname | McDonald |
| Given Name | Catherine R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pottawattamie-County, Iowa
Daughter, age 14
Pottawattamie-County, Iowa · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Cathryn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Minden Township |
| Occupation | 0 |
| Highest Grade | No 8 |
| 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 Catherine Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Catherine Mcdonald
Daughter · 1930 · age 4 · b. ~1926 · Iowa
★ You are viewing this record
Sibling
Loretta Mcdonald
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Mcdonald
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cletus Mcdonald
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Mcdonald
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Mcdonald
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmett Mcdonald
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helenclare Mcdonald
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 — Pottawattamie, Iowa
Open full size
1930 US Federal Census — Pottawattamie, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel678:0935)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | P. J. Mcdonald | 38 | Head | Farmer | Iowa |
| 52 | Mary S. Mcdonald | 39 | Wife | — | Iowa |
| 53 | Marie P. Mcdonald | 15 | Daughter | — | Iowa |
| 54 | Phyllis J. Mcdonald | 12 | Daughter | — | Iowa |
| 55 | Emmett J. Mcdonald | 10 | Son | — | Iowa |
| 56 | Cletus J. Mcdonald | 9 | Son | — | Iowa |
| 57 | Francis J. Mcdonald | 7 | Son | — | Iowa |
| 58 | Catherine R. Mcdonald THIS PERSON | 4 | Daughter | — | Iowa |
| 59 | Helenclare Mcdonald | 2 | Daughter | — | Iowa |
| 60 | Loretta G. Mcdonald | 0 | Daughter | — | Iowa |
| 61 | John J. Mcdonald | 68 | Father | — | Illinois |
| 62 | Joseph Sr. Machin | 64 | Head | Farmer | Germany |
| 63 | Agusta Machin | 57 | Wife | — | Germany |
| 64 | Edward Machin | 19 | Son | Laborer | Iowa |
| 65 | Clement Machin | 17 | Son | — | Iowa |
| 66 | Joe Jr. Machin | 28 | Head | Farmer | Iowa |
| 67 | Loretta Machin | 28 | Wife | — | Iowa |
| 68 | Betty J. Machin | 3 | Daughter | — | Iowa |
| 69 | Richard J. Machin | 0 | Son | — | Iowa |
| 70 | Jesse Samson | 49 | Head | Farmer | Iowa |
| 71 | Florence Samson | 42 | Wife | — | Iowa |
| 72 | Loyd Samson | 11 | Son | — | Iowa |
| 73 | Donald Samson | 8 | Son | — | Iowa |
| 74 | Charlotte Samson | 1 | Daughter | — | Iowa |
| 75 | Alfred Hoeffner | 26 | Head | Farmer | Iowa |
| 76 | Mable Hoeffner | 22 | Wife | — | Iowa |
| 77 | Delmar Hoeffner | 1 | Son | — | Iowa |
| 78 | S. H. Olsen | 40 | Head | Farmer | Iowa |
| 79 | Hannie Olsen | 36 | Wife | — | Nebraska |
| 80 | Mildred Olsen | 12 | Daughter | — | Iowa |
| 81 | Verna Olsen | 7 | Daughter | — | Iowa |
| 82 | Jerome Floerchinger | 16 | Hired man | Laborer | Iowa |
| 83 | Wm Schuikoulsy | 29 | Head | Farmer | Iowa |
| 84 | Alma Schuikoulsy | 24 | Wife | — | Iowa |
| 85 | Donald Schuikoulsy | 1 | Son | — | Iowa |
| 86 | W. H. Spears | 57 | Head | Farmer | Iowa |
| 87 | Harry Spears | 52 | Brother | — | Iowa |
| 88 | Harold Mingus | 18 | Hired man | Laborer | Iowa |
| 89 | Carl Anderson | 52 | Head | Farmer | Nebraska |
| 90 | Marie Anderson | 36 | Wife | — | Iowa |
| 91 | Henry Gothlert | 64 | Head | Farmer | Germany |
| 92 | Emma Gothlert | 50 | Wife | — | Iowa |
| 93 | Floyd Gothlert | 15 | Son | Laborer | Iowa |
| 94 | Dorothy Gothlert | 13 | Daughter | — | Iowa |
| 95 | Frank Gothlert | 11 | Son | — | Iowa |
| 96 | Ernest A. Pieper | 40 | Head | Farmer | Iowa |
| 97 | Minna K. Pieper | 37 | Wife | — | Iowa |
| 98 | Evelin G. Pieper | 10 | Daughter | — | Iowa |
| 99 | Harold J. Pieper | 7 | Son | — | Iowa |
| 100 | Jim Laschick | 40 | Hired man | General Farm | Austria |
Related Census Records
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)