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Elizabeth Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Elizabeth Mcdonald across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | McDonald |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Elizabeth | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Mcdonald | Daughter | — | 15 | ~1925 |
| Stanley Mcdonald | Son | — | 12 | ~1928 |
| Betty Mcdonald | Daughter | — | 14 | ~1926 |
| Helen Mcdonald | Daughter | — | 5 | ~1935 |
| Joane Mcdonald | Daughter | — | 11 | ~1929 |
| Minnie Mcdonald | Spouse | — | 40 | ~1900 |
| Mcqueen Mcdonald | Head | — | 45 | ~1895 |
| Henrietta Mcdonald | Daughter | — | 6 | ~1934 |
| Rose Mcdonald | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Polk, Iowa
Daughter, age 6
Polk, Iowa · implied b. ~1924 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Polk-County, Iowa
Daughter, age 15
Polk-County, Iowa · implied b. ~1925 — 9 household members
| Surname | McDonald |
| Given Name | Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Highest Grade | H-2 |
| 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 Elizabeth Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Elizabeth Mcdonald
Daughter · 1940 · age 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Betty Mcdonald
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Mcdonald
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joane Mcdonald
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Mcdonald
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henrietta Mcdonald
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mcdonald
Sibling · 1940 · age 5
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
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01196-00990)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J Mitchel | 45 | Head | Laborer | Virginia |
| 2 | Helen V Mitchel | 28 | Wife | — | Iowa |
| 3 | Karen L Mitchel | 2 | Daughter | — | Iowa |
| 4 | Frank D Madick | 65 | Head | New Worker | Indiana |
| 5 | Rose V Madick | 55 | Wife | — | Iowa |
| 6 | Mcqueen Mcdonald | 45 | Head | Laborer | Alabama |
| 7 | Minnie Mcdonald | 40 | Wife | — | Alabama |
| 8 | Elizabeth Mcdonald THIS PERSON | 15 | Daughter | — | Iowa |
| 9 | Betty J Mcdonald | 14 | Daughter | — | Iowa |
| 10 | Stanley Mcdonald | 12 | Son | — | Iowa |
| 11 | Joane B Mcdonald | 11 | Daughter | — | Iowa |
| 12 | Rose I Mcdonald | 10 | Daughter | — | Iowa |
| 13 | Henrietta Mcdonald | 6 | Daughter | — | Iowa |
| 14 | Helen Mcdonald | 5 | Daughter | — | Iowa |
| 15 | Arthur E Taylor | 23 | Head | New Worker | Iowa |
| 16 | Dorothy M Taylor | 19 | Wife | — | Iowa |
| 17 | Caroline A Taylor | 1 | Daughter | — | Iowa |
| 18 | Patrick Cane | 49 | Head | New Worker | Ireland |
| 19 | Annie Cane | 56 | Wife | Trimmer | Iowa |
| 20 | Harvey Thomas | 50 | Head | — | Missouri |
| 21 | Rosil Thomas | 55 | Wife | Seamstress | Missouri |
| 22 | James Thomas | 25 | Son | New Worker | Iowa |
| 23 | Elsie M Thomas | 23 | Daughter | — | Missouri |
| 24 | Albert E Beck | 74 | Head | — | Iowa |
| 25 | Elizabeth Beck | 74 | Wife | — | Iowa |
| 26 | Louie Semas | 53 | Head | Cook | Greece |
| 27 | Ellen Semas | 12 | Daughter | — | Iowa |
| 28 | Georgia Semas | 11 | Daughter | — | Iowa |
| 29 | Arnam M Thompson | 53 | Head | — | Iowa |
| 30 | Marjorie Thompson | 18 | Daughter | — | Iowa |
| 31 | Michael Thompson | 15 | Son | — | Iowa |
| 32 | Patricia Thompson | 11 | Daughter | — | Iowa |
| 33 | Larry Thompson | 8 | Son | — | Iowa |
| 34 | Hugh Osborn | 35 | Head | Laborer | Missouri |
| 35 | Lena Osborn | 32 | Wife | — | Iowa |
| 36 | Hugh Jr Osborn | 14 | Son | — | Iowa |
| 37 | Arna Osborn | 12 | Daughter | — | Iowa |
| 38 | Katherine Osborn | 11 | Daughter | — | Iowa |
| 39 | Geraldine Osborn | 8 | Daughter | — | Iowa |
| 40 | Joan Osborn | 6 | Daughter | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)