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Margaret Mcdonald — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salt-Lake-County, Utah
Our Model Tree links this Margaret Mcdonald across the 1920, 1930 and 1940 US Censuses in Salt-Lake-County, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 3-person household.
Age 60
b. ~1880
Female
Spouse
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salt-Lake-County, Utah |
| Surname | McDonald |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Salt Lake City |
| Est. Birth Year | ~1880 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Ellen Mcdonald | Daughter | — | 32 | ~1908 |
| Thos Mcdonald | Head | — | 66 | ~1874 |
| Margaret Mcdonald | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Salt Lake, …
Spouse, age 38
Salt Lake, Utah · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonals |
| Given Name | Margaret A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Utah |
| Father's Birthplace | Ireland |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Salt Lake, …
Spouse, age 48
Salt Lake, Utah · implied b. ~1882 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 17 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Salt-Lake-County, Utah
Spouse, age 60
Salt-Lake-County, Utah · implied b. ~1880 — 3 household members
| Surname | McDonald |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Salt Lake City |
| 1935 Residence (County) | Salt Lake |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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.
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This person
Anchor record
Margaret Mcdonald
Spouse · 1940 · age 60 · b. ~1880 · Utah
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Salt-Lake-County, Utah
Open full size
1940 US Federal Census — Salt-Lake-County, Utah
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04223-00656)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Roger Coleman | 4 | Son | — | Utah |
| 2 | Herbert J. Blake | 55 | Head | Civil Engineer | Utah |
| 3 | Lillian V. Blake | 53 | Wife | — | Wisconsin |
| 4 | Ilona Blake | 15 | Daughter | — | Utah |
| 5 | Thos J. Mcdonald | 66 | Head | Carpenter | Penn. |
| 6 | Margaret Mcdonald THIS PERSON | 60 | Wife | — | Utah |
| 7 | Ellen Mcdonald | 32 | Daughter | Nurse | Utah |
| 8 | Corey Dee Clark | 39 | Head | Salesman | Utah |
| 9 | Erma Mae Clark | 39 | Wife | — | Utah |
| 10 | Corey Dee Jr. Clark | 18 | Son | — | Utah |
| 11 | Constance Clark | 14 | Daughter | — | Utah |
| 12 | Mrs. Frank Loveless | 72 | Head | — | Utah |
| 13 | Margaret O'Roark | 65 | Head | — | Utah |
| 14 | Joseph H. Wilson | 62 | Head | Salesman | Penn. |
| 15 | Alberta Wilson | 62 | Wife | — | Utah |
| 16 | John H. Hummel | 48 | Head | Clerk | Utah |
| 17 | Ruth S. Hummel | 46 | Wife | — | Utah |
| 18 | John S. Hummel | 17 | Son | — | Utah |
| 19 | Robert A. Hummel | 13 | Son | — | Utah |
| 20 | Arthur Lee | 44 | Head | Accountant | Utah |
| 21 | Verena C. Lee | 41 | Wife | — | Utah |
| 22 | Carolyn Lee | 8 | Daughter | — | Utah |
| 23 | David A. Lee | 5 | Son | — | Utah |
| 24 | Ruth Wilson | 79 | Head | — | England |
| 25 | Harold W. Pugsley | 40 | Head | Driver | Utah |
| 26 | Opal E. Pugsley | 32 | Wife | — | Wyoming |
| 27 | Joyce Mae Pugsley | 10 | Daughter | — | Utah |
| 28 | Lelar Lynn Pugsley | 3 | Daughter | — | Utah |
| 29 | Robert H. Brewerton | 51 | Head | Policeman | Idaho |
| 30 | Mary Brewerton | 46 | Wife | — | Utah |
| 31 | Joseph A. Brewerton | 22 | Son | Missionary | Idaho |
| 32 | Albert G. Mosby | 42 | Head | Machinist | Utah |
| 33 | Ethel P. Mosby | 30 | Wife | — | Utah |
| 34 | Frank Kieby | 45 | Head | Painter | Utah |
| 35 | Ivy Kieby | 40 | Wife | — | Utah |
| 36 | Betty Jane Kieby | 15 | Daughter | — | Utah |
| 37 | Janice Kieby | 12 | Daughter | — | Utah |
| 38 | Frankie Kieby | 6 | Son | — | Utah |
| 39 | Helen Kieby | 5 | Daughter | — | Utah |
| 40 | Alga H. Hudson | 59 | Head | — | Norway |
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)