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Frank Mcdonald — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Louis-County, Missouri
Our Model Tree links this Frank Mcdonald across the 1920, 1930 and 1940 US Censuses in St.-Louis-County, Missouri (XGBoost, ~Confirmed), with identified parents Edgar & Mary — first a head (b.~1901), then head of a 7-person household.
Age 39
b. ~1901
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Louis-County, Missouri |
| Surname | McDonald |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Ladue |
| 1935 Residence (County) | St. Louis |
| Additional Details | |
| Occupation | Broker |
| Industry | Stocks & Bonds |
| Class of Worker | OA |
| Hours Worked | 42 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Broker |
| Township / Ward | Ladue |
| Est. Birth Year | ~1901 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Glenn Mcdonald | Son | — | 2 | ~1938 |
| Frank Mcdonald | Head | — | 39 | ~1901 |
| John Mcdonald | Son | — | 2 | ~1938 |
| Pocahontas Mccaskill | Other | — | 26 | ~1914 |
| Mary Mcdonald | Spouse | — | 30 | ~1910 |
| Sandy Mcdonald | Son | — | 5 | ~1935 |
| Dexter Weatherly | Other | — | 29 | ~1911 |
Census Appearances
1920
St Louis, …
Son, age 19
St Louis, Missouri · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Frank H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Louis, …
Son, age 29
St Louis, Missouri · implied b. ~1901 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Frank D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Tennessee |
| Occupation | President Manager |
| Industry | Fish hatchery |
| Class of Worker | E |
| Can Read/Write | Yes |
| Veteran | WW |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Louis-County, Missouri
Head, age 39
St.-Louis-County, Missouri · implied b. ~1901 — 7 household members
| Surname | McDonald |
| Given Name | Frank P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Ladue |
| 1935 Residence (County) | St. Louis |
| Occupation | Broker |
| Industry | Stocks & Bonds |
| Class of Worker | OA |
| Hours Worked | 42 |
| Income (1939) | 5000 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| 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 Frank Mcdonald across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edgar Mcdonald (~0.92 confidence) and mother Mary Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edgar Mcdonald
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Mary Mcdonald
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Mcdonald
Head · 1940 · age 39 · b. ~1901 · Missouri
★ 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 — St.-Louis-County, Missouri
Open full size
1940 US Federal Census — St.-Louis-County, Missouri
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02148-00274)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virgil A. Lewis | 47 | Head | Partner | Missouri |
| 2 | Mina R. Lewis | 43 | Wife | — | Maryland |
| 3 | Frances H. Lewis | 21 | Daughter | — | Missouri |
| 4 | Virginia H. Lewis | 19 | Daughter | — | Missouri |
| 5 | Robert D. Lewis | 15 | Son | — | Missouri |
| 6 | Ala N. Beasley | 29 | Servant | Maid | Illinois |
| 7 | Anna Welch | 59 | Servant | Cook | Illinois |
| 8 | John A. Love | 53 | Head | Mortgage Banker | Missouri |
| 9 | Mary P. Love | 50 | Wife | Real Estate | Missouri |
| 10 | Kenneth Love | 15 | Son | — | Missouri |
| 11 | Mary P. Ii Love | 13 | Daughter | — | Missouri |
| 12 | Debby Love | 12 | Daughter | — | Missouri |
| 13 | Cynthia C. Love | 11 | Daughter | — | Missouri |
| 14 | Natalie Love | 7 | Daughter | — | Missouri |
| 15 | Serena Lindsey | 50 | Cook | Cook | Florida |
| 16 | Paul Jr. Bakewell | 57 | Head | Lawyer | Missouri |
| 17 | Emma Beecher | 24 | Housekeeper | Housekeeper | Missouri |
| 18 | James Woodard | 23 | Yardman | Yard Man | Alabama |
| 19 | Philip P. Smith | 30 | Head | Manufacturer | Missouri |
| 20 | Virginia Smith | 29 | Wife | — | Ohio |
| 21 | Philip P. Jr. Smith | 4 | Son | — | Missouri |
| 22 | Carol Smith | 2 | Daughter | — | Missouri |
| 23 | Mattie Barnett | 53 | Cook | Cook | Missouri |
| 24 | Samuel A. Dickinson | 31 | Caretaker | Caretaker | Mississippi |
| 25 | Angeline Murry | 47 | Nurse | Nurse | Oklahoma |
| 26 | Frederick M. Swergen | 33 | Head | Lawyer | Missouri |
| 27 | Vera Swergen | 30 | Wife | — | Missouri |
| 28 | Frederick M. Swergen | 6 | Son | — | Missouri |
| 29 | Harriet Swergen | 4 | Daughter | — | Missouri |
| 30 | Charles Swergen | 1 | Son | — | Missouri |
| 32 | William T. Bancroft | 71 | Head | Director | West Virginia |
| 33 | Una Bancroft | 69 | Wife | — | Illinois |
| 34 | Frank P. Mcdonald THIS PERSON | 39 | Head | Broker | Missouri |
| 35 | Mary Mcdonald | 30 | Wife | — | Missouri |
| 36 | Sandy Mcdonald | 5 | Son | — | Missouri |
| 37 | John Mcdonald | 2 | Son | — | Missouri |
| 38 | Glenn Mcdonald | 2 | Son | — | Missouri |
| 39 | Pocahontas Mccaskill | 26 | Nurse | Nurse | Mississippi |
| 40 | Dexter Weatherly | 29 | Houseman | Houseman | Mississippi |
Pedigree Summary
Frank
Gen 1 · 2 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)