RM
Robert Mclean — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Potter-County, South Dakota
Our Model Tree links this Robert Mclean across the 1930 and 1940 US Censuses in Potter-County, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Potter-County, South Dakota |
| Surname | McLean |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Potter |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | South Dakota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Township / Ward | Elida Twp 117 R 75 |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| John Mclean | Son | — | 24 | ~1916 |
| Ray Mclean | Son | — | 28 | ~1912 |
| Eda Mclean | Spouse | — | 53 | ~1887 |
| Harriet Mclean | Daughter | — | 18 | ~1922 |
| Evelyn Mclean | Daughter | — | 16 | ~1924 |
| Robert Mclean | Son | — | 14 | ~1926 |
| John Mclean | Head | — | 69 | ~1871 |
| Calvin Mclean | Son | — | 12 | ~1928 |
| Donald Mclean | Son | — | 32 | ~1908 |
Census Appearances
1930
Potter, South …
Son, age 4
Potter, South Dakota · implied b. ~1926 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McLean |
| Given Name | Robert D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Canada English |
| Mother's Birthplace | South Dakota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Potter-County, South …
Son, age 14
Potter-County, South Dakota · implied b. ~1926 — 9 household members
| Surname | McLean |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Potter |
| Highest Grade | No 7 |
| 1935 Residence | South Dakota |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Robert Mclean across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mclean
Son · 1940 · age 14 · b. ~1926 · South Dakota
★ You are viewing this record
Sibling
Evelyn Mclean
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Mclean
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mclean
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Mclean
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Calvin Mclean
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mclean
Sibling · 1940 · age 32
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
1940 US Federal Census — Potter-County, South Dakota
Open full size
1940 US Federal Census — Potter-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03866-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ray M. Hughes | 39 | Head | Farmer | South Dakota |
| 42 | Alpha Hughes | 34 | Wife | — | Wisconsin |
| 43 | La Vere Hughes | 10 | Daughter | — | South Dakota |
| 44 | Duane Hughes | 9 | Son | — | South Dakota |
| 45 | Gerald Hughes | 5 | Son | — | South Dakota |
| 46 | Mary Stokstad | 77 | Mother-in-law | — | Norway |
| 47 | Lowell L. Scales | 35 | Head | Farmer | Iowa |
| 48 | Helen Scales | 32 | Wife | — | Nebraska |
| 49 | Ronald Scales | 9 | Son | — | South Dakota |
| 50 | Mack Scales | 4 | Son | — | South Dakota |
| 51 | Arthur Frankhauser | 70 | Head | Farmer | Ohio |
| 52 | Annie Frankhauser | 61 | Wife | — | Illinois |
| 53 | Coe Frankhauser | 18 | Son | N.Y.A. | South Dakota |
| 54 | Mary J. Chambers | 91 | Aunt | — | Illinois |
| 55 | William Owen | 62 | Lodger | Farmer | Iowa |
| 56 | John M. Mcintosh | 56 | Head | Farmer | Canada |
| 57 | Rella Mcintosh | 58 | Wife | — | Ohio |
| 58 | Louise Roller | 62 | Lodger | Housekeeper | Germany |
| 59 | Nettie Nauman | 58 | Head | — | Kansas |
| 60 | Stanford Nauman | 30 | Son | Farmer | South Dakota |
| 61 | Virgil Nauman | 29 | Son | Farmer | South Dakota |
| 62 | Dwight Nauman | 27 | Son | Farmer | South Dakota |
| 63 | Lorraine Nauman | 25 | Daughter | — | South Dakota |
| 64 | Darwin Nauman | 23 | Son | Farmer | South Dakota |
| 65 | David Nauman | 22 | Son | Truck-Driver | South Dakota |
| 66 | Edwin Nauman | 18 | Son | Farmer | South Dakota |
| 67 | John Mclean | 69 | Head | Farmer | Canada |
| 68 | Eda Mclean | 53 | Wife | — | South Dakota |
| 69 | Donald Mclean | 32 | Son | Laborer | South Dakota |
| 70 | Ray Mclean | 28 | Son | Laborer | South Dakota |
| 71 | John Jr. Mclean | 24 | Son | Laborer | South Dakota |
| 72 | Harriet Mclean | 18 | Daughter | N.Y.A. | South Dakota |
| 73 | Evelyn Mclean | 16 | Daughter | — | South Dakota |
| 74 | Robert Mclean THIS PERSON | 14 | Son | — | South Dakota |
| 75 | Calvin Mclean | 12 | Son | — | South Dakota |
| 76 | Ben Savage | 71 | Head | Farmer | Pennsylvania |
| 77 | Mary Savage | 68 | Wife | — | Canada |
| 78 | Elmer Hansen | 35 | Head | Farmer | South Dakota |
| 79 | Sarah Hansen | 34 | Wife | — | South Dakota |
| 80 | Delphine Hansen | 2 | Daughter | — | South Dakota |
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)