MM
Mary Mcdonald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Roanoke-City-County, Virginia
Our Model Tree links this Mary Mcdonald across the 1920, 1930 and 1940 US Censuses in Roanoke-City-County, Virginia (XGBoost, ~Confirmed), with identified parents Emma & Emma — first a daughter (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Roanoke-City-County, Virginia |
| Surname | McDonald |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Roanoke City |
| 1935 Residence (County) | Roanoke |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Roanoke City |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcdonald | Daughter | — | 32 | ~1908 |
| Emma Mcdonald | Head | — | 72 | ~1868 |
Census Appearances
Daughter, age 11
Roanoke, Virginia · implied b. ~1909 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Macdonald |
| Given Name | Mary V. G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Maine |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Roanoke, Virginia
Daughter, age 22
Roanoke, Virginia · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Mary F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | Maine |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Roanoke-City-County, Virginia
Daughter, age 32
Roanoke-City-County, Virginia · implied b. ~1908 — 2 household members
| Surname | McDonald |
| Given Name | Mary V. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Roanoke City |
| 1935 Residence (County) | Roanoke |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 Mary Mcdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Emma Mcdonald (~0.92 confidence) and mother Emma Mcdonald (~0.92 confidence) and father Alfonso Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Emma Mcdonald
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Emma Mcdonald
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Alfonso Mcdonald
b. ~1873
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Mcdonald
Daughter · 1940 · age 32 · b. ~1908 · Virginia
★ 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 — Roanoke-City-County, Virginia
Open full size
1940 US Federal Census — Roanoke-City-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04327-00819)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | David R. Howell | 46 | Head | Spinning | Virginia |
| 42 | Liza B. Howell | 44 | Wife | — | Virginia |
| 43 | Mike P. Spalose | 47 | Head | Confectionery | Lebanon |
| 44 | Thelma Q. Spalose | 40 | Wife | — | Lebanon |
| 45 | Pete Spalose | 13 | Son | — | Virginia |
| 46 | Alex Spalose | 12 | Son | — | Virginia |
| 47 | Grace Spalose | 11 | Daughter | — | Virginia |
| 48 | Margaret Spalose | 9 | Daughter | — | Virginia |
| 49 | George Spalose | 5 | Son | — | Virginia |
| 50 | James G. Childress | 29 | Head | Shipping Clerk | Virginia |
| 51 | Annie Mae Childress | 24 | Wife | — | Virginia |
| 52 | Dorothy A. Childress | 7 | Daughter | — | Virginia |
| 53 | Maude Aguly | 62 | Head | New Worker | Virginia |
| 54 | Frank V. Beaman | 30 | Head | Lineman | Virginia |
| 55 | Bessie Beaman | 32 | Wife | — | Virginia |
| 56 | Jack T. Lain | 24 | Head | Sales | North Carolina |
| 57 | Edna S. Lain | 20 | Wife | — | Virginia |
| 58 | Guy E. Bowling | 37 | Lodger | Compositor | Virginia |
| 59 | Emma C. S. Mcdonald | 72 | Head | — | Virginia |
| 60 | Mary V. Mcdonald THIS PERSON | 32 | Daughter | — | West Virginia |
| 61 | William A. Nash | 51 | Head | Repairman | Virginia |
| 62 | Margaret V. Nash | 13 | Sister | — | Virginia |
| 63 | Eliza J. Nash | 81 | Mother | — | Virginia |
| 64 | David C. Shipley | 75 | Head | — | Virginia |
| 65 | Mittie H. Shipley | 73 | Wife | — | Virginia |
| 66 | Robert Walton | 50 | Head | — | Virginia |
| 67 | Frank Walton | 34 | Son | Laborer | Virginia |
| 68 | Mae Walton | 29 | Daughter | — | Virginia |
| 69 | Woodrow Walton | 24 | Son | Painter | Virginia |
| 70 | Carl M. Smith | 48 | Head | Salesman | Virginia |
| 71 | Janie Smith | 47 | Wife | — | Virginia |
| 72 | John D. Holtz | 75 | Head | — | Maryland |
| 73 | Ora M. Holtz | 70 | Wife | — | Pennsylvania |
| 74 | Kathleen Holtz | 36 | Daughter | Teacher | Virginia |
| 75 | Mildred Holtz | 34 | Daughter | Teacher | Virginia |
| 76 | Harry W. Moore | 28 | Head | Operator | Virginia |
| 77 | Florine Moore | 24 | Wife | — | Virginia |
| 78 | Richard L. Moore | 4 | Son | — | Virginia |
| 79 | Kenneth M. Entsminger | 43 | Head | Boilermaker | Virginia |
| 80 | Pearl S. Entsminger | 40 | Wife | — | Virginia |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)