JM
John Mcdonald — 1930 US Census Record
Model Tree available1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this John Mcdonald across the 1920, 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed), with identified parents B & Cath — first a son (b.~1906), then head of a 8-person household.
Age 24
b. ~1906
Male
Son
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | McDonald |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Central Township Part |
| Est. Birth Year | ~1906 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Mcdonald | Daughter | — | 16 | ~1914 |
| Bennie Mcdonald | Head | — | 45 | ~1885 |
| Arthur Mcdonald | Son | — | 10 | ~1920 |
| James Mcdonald | Son | — | 21 | ~1909 |
| John Mcdonald | Son | — | 24 | ~1906 |
| Francis Mcdonald | Son | — | 23 | ~1907 |
| Richard Mcdonald | Son | — | 18 | ~1912 |
| Edward Mcdonald | Son | — | 14 | ~1916 |
Census Appearances
1920
St Louis, …
Son, age 14
St Louis, Missouri · implied b. ~1906 — 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 | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | waitress |
| Industry | Hoary Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 24
St Louis, Missouri · implied b. ~1906 — 8 household members
| Surname | McDonald |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 34
St.-Louis-County, Missouri · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Overland |
| Occupation | Stone Mason |
| Industry | Federal Relief Pro. |
| Class of Worker | GW |
| Hours Worked | 16 |
| Income (1939) | 26 |
| Highest Grade | No 8 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Mcdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father B Mcdonald (~0.92 confidence) and mother Cath Mcdonald (~0.92 confidence) and father Bennie Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
B Mcdonald
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Cath Mcdonald
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Bennie Mcdonald
b. ~1885
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Mcdonald
Son · 1930 · age 24 · b. ~1906 · Missouri
★ You are viewing this record
Sibling
Francis Mcdonald
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mcdonald
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Mcdonald
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mcdonald
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcdonald
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Mcdonald
Sibling · 1930 · age 16
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
1930 US Federal Census — St Louis, Missouri
Open full size
1930 US Federal Census — St Louis, Missouri
Page Contents
50 people indexed on this census page (ia:1930:missouricensus00reel1225:1125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward Vollmer | 61 | Head | Proprietor | Missouri |
| 2 | Zella Vollmer | 43 | Wife | — | Illinois |
| 3 | Joseph Vollmer | 11 | Son | — | Missouri |
| 4 | W. A. Hargrave | 51 | Head | — | Arkansas |
| 5 | Willard R. Hargrave | 28 | Son | Laundress | Arkansas |
| 6 | J. C. Scott | 40 | Head | Baker | Missouri |
| 7 | George Hale | 41 | Head | Laborer | Iowa |
| 8 | Eva Hale | 39 | Wife | Welder | Wisconsin |
| 9 | Alvin E. Hale | 15 | Son | — | Iowa |
| 10 | Luciel Hale | 8 | Daughter | — | Iowa |
| 11 | Joseph Reichert | 41 | Head | — | Missouri |
| 12 | Florence Reichert | 34 | Wife | Machinist | Illinois |
| 13 | Joseph Jr. Reichert | 11 | Son | Laundress | Missouri |
| 14 | Elroy Reichert | 7 | Son | — | Missouri |
| 15 | Rose Hahn | 35 | Head | — | Missouri |
| 16 | William Brown | 16 | Son | Laundress | Missouri |
| 17 | Bertha Brown | 14 | Daughter | Stock Man | Missouri |
| 18 | May R. Brown | 4 | Daughter | — | Missouri |
| 19 | Charles H. Brown | 1 | Son | — | Missouri |
| 20 | Stanton House | 48 | Head | — | Illinois |
| 21 | Mattie House | 40 | Wife | Wood Worker | Arkansas |
| 22 | James House | 22 | Son | — | Illinois |
| 23 | Nellie House | 16 | Daughter | Laborer | Illinois |
| 24 | Paul House | 12 | Son | Marker | Missouri |
| 25 | Roy House | 9 | Son | — | Missouri |
| 26 | Gertrude House | 5 | Daughter | — | Missouri |
| 27 | Raymond House | 2 | Son | — | Missouri |
| 28 | John Feltz | 42 | Head | — | Missouri |
| 29 | Irene Feltz | 33 | Wife | Carpenter | Texas |
| 30 | George Feltz | 17 | Son | Laundress | Oklahoma |
| 31 | Charles Feltz | 14 | Son | Messenger | Missouri |
| 32 | Jaunetta Feltz | 11 | Daughter | — | Missouri |
| 33 | James Feltz | 5 | Son | — | Missouri |
| 34 | Bennie Mcdonald | 45 | Head | — | Missouri |
| 35 | John Mcdonald THIS PERSON | 24 | Son | — | Missouri |
| 36 | Francis Mcdonald | 23 | Son | Concrete Worker | Missouri |
| 37 | James Mcdonald | 21 | Son | Carpenter | Missouri |
| 38 | Richard Mcdonald | 18 | Son | Concrete Worker | Missouri |
| 39 | Katherine Mcdonald | 16 | Daughter | Operator | Missouri |
| 40 | Edward Mcdonald | 14 | Son | Coil Winder | Missouri |
| 41 | Arthur Mcdonald | 10 | Son | — | Missouri |
| 42 | Garland Barker | 28 | Head | — | Arkansas |
| 43 | Irene Barker | 25 | Wife | Paper Cutter | Arkansas |
| 44 | Gerald Barker | 4 | Son | — | Missouri |
| 45 | Aubrey Barker | 2 | Son | — | Arkansas |
| 46 | Glennon Barker | 0 | Son | — | Arkansas |
| 47 | John Sharp | 59 | Head | — | Illinois |
| 48 | Matilda Sharp | 46 | Wife | Carpenter | Illinois |
| 49 | Oscar Semyuth | 33 | Head | — | Missouri |
| 50 | Adeline Semyuth | 35 | Wife | Mechanic | Missouri |
Pedigree Summary
John + 6 siblings
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 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)