JM
John Macdonald — 1930 US Census Record
Model Tree available1930 United States Federal Census · Whatcom, Washington
Our Model Tree links this John Macdonald across the 1920, 1930 and 1940 US Censuses in Whatcom, Washington (XGBoost, ~Confirmed), with identified parents Mrs — first a head (b.~1900), then head of a 6-person household.
Age 30
b. ~1900
Male
Head
Born: Washington
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Whatcom, Washington |
| Surname | MacDonald |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Farmer |
| Township / Ward | Ferndale Township Pt |
| Est. Birth Year | ~1900 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Macdonald | Son | — | 4 | ~1926 |
| Deborah Macdonald | Spouse | — | 24 | ~1906 |
| Margaret Macdonald | Daughter | — | 5 | ~1925 |
| Doris Macdonald | Daughter | — | 6 | ~1924 |
| John Macdonald | Head | — | 30 | ~1900 |
| Carolyn Macdonald | Daughter | — | 2 | ~1928 |
Census Appearances
Son, age 20
Whatcom, Washington · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Whatcom, Washington
Head, age 30
Whatcom, Washington · implied b. ~1900 — 6 household members
| Surname | MacDonald |
| Given Name | John S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Whatcom-County, Washington
Head, age 40
Whatcom-County, Washington · implied b. ~1900
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Mac Donald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Whatcom |
| Occupation | Farmer |
| Industry | Own Farm |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 81 |
| Highest Grade | No 4 |
| 1935 Residence | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 John Macdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mrs Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mrs Mcdonald
b. ~1855
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Macdonald
Head · 1930 · age 30 · b. ~1900 · Washington
★ 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 — Whatcom, Washington
Open full size
1930 US Federal Census — Whatcom, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2522unit:0599)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Archie G. Hale | 60 | Head | Farmer | Wisconsin |
| 52 | Mary M. Hale | 57 | Wife | — | Michigan |
| 53 | Gladys C. Hale | 14 | Daughter | — | Washington |
| 54 | Carl A. Lindquist | 57 | Head | Farmer | Finland |
| 55 | Mary Lindquist | 61 | Wife | — | Finland |
| 56 | Carl A. Lindquist | 19 | Son | Laborer | Canada English |
| 57 | John J. Rudy | 45 | Head | Farmer | Michigan |
| 58 | Mary J. Rudy | 42 | Wife | — | Kentucky |
| 59 | Vergil V. Rudy | 18 | Son | — | Washington |
| 60 | Florence A. Rudy | 14 | Daughter | — | Washington |
| 61 | Charles J. Seal | 51 | Head | Farmer | Kansas |
| 62 | Grace M. Seal | 17 | Daughter | — | Washington |
| 63 | James Tibbs | 61 | Head | Stationary Engineer | Canada English |
| 64 | Sarah A. Tibbs | 59 | Wife | — | New York |
| 65 | Connell Paltzer | 58 | Head | Laborer | Minnesota |
| 66 | Frank G. Vella | 57 | Head | Farmer | Indiana |
| 67 | Emma A. Vella | 52 | Wife | — | Nebraska |
| 68 | Adolph W. Metzger | 61 | Head | Farmer | Missouri |
| 69 | Annie Metzger | 55 | Wife | — | Missouri |
| 70 | Margaret Metzger | 28 | Daughter | Bookkeeper | Washington |
| 71 | John W. Holt | 28 | Head | — | Montana |
| 72 | Walter Pare | 27 | Son-in-law | Laborer | Wisconsin |
| 73 | Beatrice Pare | 24 | Daughter | — | Washington |
| 74 | Walter Pare | 2 | Grandson | — | Washington |
| 75 | Eugene Pare | 1 | Grandson | — | Washington |
| 76 | George L. Murray | 40 | Head | Yard Foreman | Canada English |
| 77 | Helen Murray | 39 | Wife | — | Pennsylvania |
| 78 | Raymond L. Murray | 14 | Son | — | Oregon |
| 79 | Shirley H. Murray | 7 | Daughter | — | Canada English |
| 80 | Charles H. Denton | 58 | Head | Manager | Michigan |
| 81 | Charles H. Jr. Denton | 23 | Son | Laborer | Alaska |
| 82 | Clyde G. Smith | 29 | Head | Farmer | Maine |
| 83 | Ethel Smith | 27 | Wife | — | Virginia |
| 84 | Robert Hamm | 11 | Step son | — | Washington |
| 85 | Richard Hamm | 9 | Step son | — | Washington |
| 86 | Charles Mankowski | 49 | Head | Farmer | Poland |
| 87 | Jessie Mankowski | 39 | Wife | — | Poland |
| 88 | John E. Mankowski | 20 | Son | Sawyer | Canada English |
| 89 | Helen E. Mankowski | 12 | Daughter | — | Washington |
| 90 | Pearl E. Mankowski | 11 | Daughter | — | Washington |
| 91 | Hazel J. Mankowski | 10 | Daughter | — | Washington |
| 92 | Edward L. Betsinger | 57 | Head | Electrician | Iowa |
| 93 | Vanda C. Betsinger | 40 | Wife | — | Wisconsin |
| 94 | Edward Crook | 71 | Head | Farmer | Ohio |
| 95 | John S. Macdonald THIS PERSON | 30 | Head | Farmer | Washington |
| 96 | Deborah Macdonald | 24 | Wife | — | Canada English |
| 97 | Doris Macdonald | 6 | Daughter | — | Washington |
| 98 | Margaret Macdonald | 5 | Daughter | — | Washington |
| 99 | John Macdonald | 4 | Son | — | Washington |
| 100 | Carolyn Macdonald | 2 | Daughter | — | Washington |
Related Census Records
Pedigree Summary
John
Gen 1 · 1 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)