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Margaret Mcdonald — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Louis, Missouri
Our Model Tree links this Margaret Mcdonald across the 1930 and 1940 US Censuses in St Louis, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1905), then head of a 8-person household.
Age 25
b. ~1905
Female
Daughter
Born: Missouri
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | St Louis, Missouri |
| Surname | McDonald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Additional Details | |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Clerk |
| Township / Ward | City Of Richmond Heights |
| Est. Birth Year | ~1905 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcdonald | Daughter | — | 25 | ~1905 |
| Alice Mcdonald | Daughter | — | 20 | ~1910 |
| Wilbert Lake | Head | — | 25 | ~1905 |
| Nellie Mcdonald | Other | — | 52 | ~1878 |
| Allen Lake | Son | — | 2 | ~1928 |
| Wilbert Lake | Son | — | 4 | ~1926 |
| John Mcdonald | Son | — | 28 | ~1902 |
| Helena Lake | Spouse | — | 21 | ~1909 |
Census Appearances
1930
St Louis, …
Daughter, age 25
St Louis, Missouri · implied b. ~1905 — 8 household members
| Surname | McDonald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Clerk |
| Industry | Insurance |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-City-County, Missouri
Daughter, age 35
St.-Louis-City-County, Missouri · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Donald |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | St. Louis (City) |
| 1935 Residence (County) | St. Louis City |
| Occupation | Clerk |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Margaret Mcdonald across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Mcdonald
Daughter · 1930 · age 25 · b. ~1905 · Missouri
★ You are viewing this record
Sibling
Allen Lake
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbert Lake
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mcdonald
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Mcdonald
Sibling · 1930 · age 20
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:missouricensus00reel1224:0363)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leo Leppard | 22 | Son-in-law | Tinmer | Iowa |
| 2 | Evelyn Leppard | 25 | Daughter | — | Missouri |
| 3 | Julius Huber | 48 | Head | Metal Worker | Germany |
| 4 | Apphalonia Huber | 44 | Wife | — | Missouri |
| 5 | Evelyn Huber | 7 | Daughter | — | Missouri |
| 6 | Dorothea Huber | 7 | Daughter | Clerk | Missouri |
| 7 | William Beth | 57 | Head | Surgeon | Illinois |
| 8 | Gladys Beth | 40 | Wife | Saleslady | Kansas |
| 9 | Nellie Beth | 20 | Daughter | Saleslady | Iowa |
| 10 | Harold Bran | 33 | Head | Claim Agent | Michigan |
| 11 | Kathryn Bran | 27 | Wife | Author | Pennsylvania |
| 12 | Irving Louch | 27 | Head | Book Keeper | Missouri |
| 13 | Isabel Louch | 26 | Wife | — | Missouri |
| 14 | Wilbert Lake | 25 | Head | Photo-Engraver | Missouri |
| 15 | Helena Lake | 21 | Wife | — | Missouri |
| 16 | Wilbert Jr. Lake | 4 | Son | — | Missouri |
| 17 | Allen Lake | 2 | Son | — | Missouri |
| 18 | Nellie Mcdonald | 52 | Mother-in-law | — | Missouri |
| 19 | John Mcdonald | 28 | Son | Clerk | Missouri |
| 20 | Margaret Mcdonald THIS PERSON | 25 | Daughter | Clerk | Missouri |
| 21 | Alice Mcdonald | 20 | Daughter | Clerk | Missouri |
| 22 | James Brown | 61 | Head | Vetinary | Ohio |
| 23 | Katie Brown | 58 | Wife | — | Ohio |
| 24 | Hazel Brown | 31 | Daughter | Stenographer | Kansas |
| 25 | Fred Groll | 27 | Head | Proprietor | Missouri |
| 26 | Eleanor Groll | 26 | Wife | — | Missouri |
| 27 | Eleanor Groll | 3 | Daughter | — | Missouri |
| 28 | Peter Lena | 47 | Head | Proprietor | Georgia |
| 29 | Mary Lena | 47 | Wife | — | Arkansas |
| 30 | Mary Lena | 10 | Daughter | Dentist | Arkansas |
| 31 | John Beard | 35 | Head | — | Missouri |
| 32 | Frances Beard | 32 | Wife | — | Missouri |
| 33 | John Beard | 10 | Son | — | Missouri |
| 34 | Charles Beard | 6 | Son | — | Missouri |
| 35 | Elizabeth Beard | 67 | Mother | — | Missouri |
| 36 | Orla Miller | 47 | Head | Druggist | Illinois |
| 37 | Frederick Schaaf | 68 | Head | Stationery Engr | Wisconsin |
| 38 | Rosalie Schaaf | 65 | Wife | — | Missouri |
| 39 | Frederick Schaaf | 26 | Son | Chauffeur | Missouri |
| 40 | Jessie Phillips | 58 | Head | — | Denmark |
| 41 | Lelia Phillips | 21 | Daughter | Operator | Missouri |
| 42 | Marion Phillips | 18 | Daughter | Operator | Missouri |
| 43 | Jacob Van Doren | 61 | Head | Carpenter | Missouri |
| 44 | Almira Van Doren | 55 | Wife | — | Missouri |
| 45 | Elmer Van Doren | 14 | Son | — | Missouri |
| 46 | Joseph Meyer | 53 | Head | Fireman | Missouri |
| 47 | Irene Meyer | 46 | Wife | Dish Washer | Missouri |
| 48 | Arthur Meyer | 21 | Son | Tester | Missouri |
| 49 | Raymond Meyer | 18 | Son | Laborer | Missouri |
| 50 | Flora Meyer | 15 | Daughter | — | Missouri |
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)