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Frank Mcdonald — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cass-County, Indiana
Our Model Tree links this Frank Mcdonald across the 1920, 1930 and 1940 US Censuses in Cass-County, Indiana (XGBoost, ~Confirmed), with identified parents Lawrence & Lawrence — first a son (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Indiana |
| Surname | McDonald |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Galveston town |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Galveston Town |
| Est. Birth Year | ~1911 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Lawrence Mcdonald | Head | — | 63 | ~1877 |
| Minnie Mcdonald | Spouse | — | 67 | ~1873 |
| Lottie Persinger | Other | — | 81 | ~1859 |
| Frank Mcdonald | Son | — | 29 | ~1911 |
Census Appearances
1920
Cass, Indiana
Son, age 9
Cass, Indiana · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Frank P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Cass, Indiana
Son, age 19
Cass, Indiana · implied b. ~1911 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonald |
| Given Name | Frank P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Cass-County, Indiana
Son, age 29
Cass-County, Indiana · implied b. ~1911 — 4 household members
| Surname | McDonald |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Galveston town |
| 1935 Residence (County) | Cass |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Lawrence Mcdonald (~0.92 confidence) and father Lawrence Mcdonald (~0.92 confidence) and mother Minnie Mcdonald (~0.92 confidence) and mother Minnie Mcdonald (~0.92 confidence) and mother Minnie Mcdonald (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lawrence Mcdonald
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Lawrence Mcdonald
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Minnie Mcdonald
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Minnie Mcdonald
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Minnie Mcdonald
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Mcdonald
Son · 1940 · age 29 · b. ~1911 · Indiana
★ 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 — Cass-County, Indiana
Open full size
1940 US Federal Census — Cass-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01030-00869)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Magee | 53 | Head | Painter | Indiana |
| 2 | Adam Magee | 53 | Wife | — | Indiana |
| 3 | Joe R Magee | 17 | Son | — | Indiana |
| 4 | Walter A Whiteside | 54 | Head | Inspector | Indiana |
| 5 | Maude Whiteside | 54 | Wife | — | Ohio |
| 6 | Paul E Irwin | 34 | Head | Track Man | Indiana |
| 7 | Mary Irwin | 29 | Wife | — | Indiana |
| 8 | Richard Irwin | 7 | Son | — | Indiana |
| 9 | Clarence Ronk | 28 | Head | Laborer | Indiana |
| 10 | Deborah Ronk | 24 | Wife | — | Indiana |
| 11 | Anna Stanley | 65 | Head | — | Indiana |
| 12 | Charles R Nelson | 10 | Grandson | — | Indiana |
| 13 | Joseph E Bushee | 68 | Head | — | Indiana |
| 14 | Lawrence L Mcdonald | 63 | Head | Manager | Ohio |
| 15 | Minnie Mcdonald | 67 | Wife | — | Indiana |
| 16 | Frank Mcdonald THIS PERSON | 29 | Son | — | Indiana |
| 17 | Lottie Persinger | 81 | Sister in law | — | Indiana |
| 18 | Eli C. Fisher | 71 | Head | — | Indiana |
| 19 | Sarah A. Fisher | 70 | Wife | — | Indiana |
| 20 | William E Davis | 40 | Head | Track Man | Indiana |
| 21 | Zella Davis | 37 | Wife | — | Indiana |
| 22 | Christina Young | 6 | Niece | — | Indiana |
| 23 | Charlene Young | 5 | Niece | — | Indiana |
| 24 | Zella Frances Young | 3 | Niece | — | Indiana |
| 25 | Judy Lou Young | 1 | Niece | — | Indiana |
| 26 | Benjamin E. Cook | 71 | Head | — | Indiana |
| 27 | Harry M. Cook | 40 | Son | Sexton | Indiana |
| 28 | Ellen Boring | 35 | Daughter | — | Indiana |
| 29 | Eugene Boring | 17 | Grandson | — | Indiana |
| 30 | Robert Boring | 14 | Grandson | — | Indiana |
| 31 | Marian L. Boring | 13 | Granddaughter | — | Indiana |
| 32 | Paul Jr. Boring | 11 | Grandson | — | Indiana |
| 33 | Harry F. King | 29 | Head | Mail Messenger | Indiana |
| 34 | Shirley G. King | 29 | Wife | Office Attendant | Indiana |
| 35 | Henry Whiteside | 77 | Head | Blacksmith | Indiana |
| 36 | Charles O. Randall | 73 | Head | Blacksmith | Indiana |
| 37 | Mary C. Randall | 66 | Wife | — | Indiana |
| 38 | Helen Randall | 23 | Daughter | Bookkeeper | Indiana |
| 39 | William W Randall | 76 | Brother | Blacksmith | Indiana |
| 40 | Ted B. Greene | 40 | Head | Track Foreman | Indiana |
Pedigree Summary
Frank
Gen 1 · 5 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)