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Margaret Mcdonald — 1930 US Census Record
Model Tree available1930 United States Federal Census · Linn, Iowa
Our Model Tree links this Margaret Mcdonald across the 1920, 1930 and 1940 US Censuses in Linn, Iowa (XGBoost, ~Confirmed), with identified parents Charles & Margaret — first a daughter (b.~1893), then head of a 3-person household.
Age 37
b. ~1893
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Linn, Iowa |
| Surname | McDonald |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Cedar Rapids City |
| Est. Birth Year | ~1893 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcdonald | Daughter | — | 37 | ~1893 |
| Margaret Mcdonald | Head | — | 67 | ~1863 |
| Alice Page | Other | — | 45 | ~1885 |
Census Appearances
1920
Linn, Iowa
Daughter, age 27
Linn, Iowa · implied b. ~1893 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | MacDonald |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Teacher |
| Industry | Grade School |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Linn, Iowa
Daughter, age 37
Linn, Iowa · implied b. ~1893 — 3 household members
| Surname | McDonald |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Linn-County, Iowa
Daughter, age 47
Linn-County, Iowa · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Macdonald |
| Given Name | Margaret B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Cedar Rapids |
| 1935 Residence (County) | Linn |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1776 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Mcdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Macdonald (~0.92 confidence) and mother Margaret Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Macdonald
b. ~1851
Source father
● Household
· direct · ~0.92
Mother
Margaret Mcdonald
b. ~1863
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mcdonald
Daughter · 1930 · age 37 · b. ~1893 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Linn, Iowa
Open full size
1930 US Federal Census — Linn, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel665:0248)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Harry F. Crinklaw | 4 | Son | None | Iowa |
| 52 | Blanche Hanson | 28 | Head | Housekeeper | Iowa |
| 53 | Myrtle Mceldowney | 29 | Head | Mechanic | Missouri |
| 54 | Marguerite Mceldowney | 20 | Wife-H | None | Iowa |
| 55 | Ada B. Wilson | 53 | Head | None | Illinois |
| 56 | James Spengler | 63 | Head | Credit Manager | Mississippi |
| 57 | Hazel S. Stark | 38 | Daughter | Teacher | Missouri |
| 58 | Robert S. Stark | 13 | Grandson | None | Missouri |
| 59 | Alice S. Abbott | 75 | Head | None | Massachusetts |
| 60 | Marie E. Schmermund | 68 | Boarder | Teacher | Ohio |
| 61 | Libby Tomes | 20 | Servant | Maid | Czechoslovakia |
| 62 | Margaret G. Mcdonald | 67 | Head | None | Scotland |
| 63 | Margaret A. Mcdonald THIS PERSON | 37 | Daughter | Teacher | Illinois |
| 64 | Alice E. Page | 45 | Roomer | Teacher | Illinois |
| 65 | Charles Parks | 59 | Head | Commercial Traveler | Wisconsin |
| 66 | Bella Parks | 60 | Wife-H | None | Kansas |
| 67 | Carly D. Butterfield | 25 | Head | Asst Clerk | Iowa |
| 68 | Reatha S. Butterfield | 24 | Wife-H | Statistician | Iowa |
| 69 | George F. Happel | 55 | Head | Commercial Traveler | Iowa |
| 70 | Emma Happel | 51 | Wife-H | None | Iowa |
| 71 | Hilda Happel | 25 | Daughter | None | Iowa |
| 72 | Rosemond Hammer | 60 | Head | None | Iowa |
| 73 | Frederika Schmickle | 43 | Roomer | Deaconess | Germany |
| 74 | Anton W. Hanson | 46 | Head | Laborer | South Dakota |
| 75 | Christina Hanson | 45 | Wife-H | None | Iowa |
| 76 | Beulah W. Hanson | 20 | Daughter | Saleslady | Iowa |
| 77 | Samuel E. Hershey | 67 | Head | Packer | Pennsylvania |
| 78 | Martha Hershey | 59 | Wife-H | None | Iowa |
| 79 | Minnie R. Meyers | 84 | Mother-in-law | None | Germany-Prussia |
| 80 | James R. Mcpartland | 70 | Head | None | Iowa |
| 81 | Mary Mcpartland | 69 | Wife-H | None | Iowa |
| 82 | Edward Mcpartland | 26 | Son | None | Iowa |
| 83 | Barney Mcpartland | 41 | Son | Cigar Business | Iowa |
| 84 | Agnes Mcpartland | 34 | Daughter-in-law | None | Iowa |
| 85 | Barney Mcpartland | 11 | Grandson | None | Iowa |
| 86 | Bill Mcpartland | 10 | Grandson | None | Iowa |
| 87 | James Mcpartland | 8 | Grandson | None | Iowa |
| 88 | Jack Mcpartland | 3 | Grandson | None | California |
| 89 | William E. Lamb | 59 | Head | Land Appraiser | Ohio |
| 90 | Maude J. Lamb | 56 | Wife-H | None | Iowa |
| 91 | Curtis W. Lamb | 23 | Son | Teacher | Iowa |
| 92 | Isaline Lamb | 85 | Mother-in-law | None | Iowa |
| 93 | James W. Barnett | 43 | Head | Agency Supervisor | Ohio |
| 94 | Rota M. Barnett | 36 | Wife-H | None | Iowa |
| 95 | Margaret Barnett | 13 | Daughter | None | Iowa |
| 96 | James Barnett | 7 | Son | None | Iowa |
| 97 | Robert Barnett | 4 | Son | None | Iowa |
| 98 | Anna Trevarthan | 70 | Mother-in-law | None | Iowa |
| 99 | Thor E. Lilledahl | 35 | Head | Freight Cashier | Norway |
| 100 | Mamie Lilledahl | 35 | Wife-H | None | Iowa |
Related Census Records
Pedigree Summary
Margaret
Gen 1 · 2 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)