RH
Robert Harper — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Michigan
Our Model Tree links this Robert Harper across the 1920, 1930 and 1940 US Censuses in Clinton-County, Michigan (XGBoost, ~Confirmed), with identified parents Lynn & Robert — first a son (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Michigan |
| Surname | Harper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St. Johns City |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | Truck driver |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 432 |
| Highest Grade | No H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Truck Driver |
| Township / Ward | St Johns City |
| Est. Birth Year | ~1920 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Harper | Son | — | 20 | ~1920 |
| Lynn Harper | Head | — | 45 | ~1895 |
| Lois Streeter | Other | — | 12 | ~1928 |
| Mapra Streeter | Other | — | 10 | ~1930 |
| Neva Harper | Spouse | — | 44 | ~1896 |
| Leonard Harper | Son | — | 11 | ~1929 |
| Ward Harper | Son | — | 17 | ~1923 |
| Kendall Harper | Son | — | 13 | ~1927 |
Census Appearances
1920
Clinton, Michigan
Son, age
Clinton, Michigan · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Robert C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Clinton, Michigan
Son, age 10
Clinton, Michigan · implied b. ~1920 — 34 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harper |
| Given Name | Robert C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Clinton-County, Michigan
Son, age 20
Clinton-County, Michigan · implied b. ~1920 — 8 household members
| Surname | Harper |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St. Johns City |
| 1935 Residence (County) | Clinton |
| Occupation | Truck driver |
| Industry | Grocery Store |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 432 |
| Highest Grade | No H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Harper across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lynn Harper (~0.92 confidence) and father Robert Harper (~0.92 confidence) and mother Maidi Harper (~0.92 confidence) and mother Neva Harper (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lynn Harper
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Robert Harper
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Maidi Harper
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Neva Harper
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Harper
Son · 1940 · age 20 · b. ~1920 · Michigan
★ You are viewing this record
Sibling
Kendall Harper
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ward Harper
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leonard Harper
Sibling · 1940 · age 11
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 — Clinton-County, Michigan
Open full size
1940 US Federal Census — Clinton-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01743-00641)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louise Smith | 62 | Head | Housewife | Michigan |
| 42 | Birdaline Smith | 38 | Daughter | Proof Reader | Michigan |
| 43 | Dorothy Plowman|Plowmand | 19 | Lodger | Bookkeeper | Michigan |
| 44 | Filmore | None | Lodger | — | — |
| 45 | Augusta Titkins | 85 | Head | Housewife | Germany |
| 46 | Marlinna Newman | 68 | Lodger | Housewife | Michigan |
| 47 | William Carr | 77 | Head | Farmer | Michigan |
| 48 | Nettie Carr | 70 | Wife | Housewife | Michigan |
| 49 | Milo Carr | 38 | Son | Laborer | Michigan |
| 50 | Lena Michaels | 79 | Head | Housewife | Michigan |
| 51 | Howard Pope | 64 | Head | Farmer | Michigan |
| 52 | Hattie Pope | 66 | Wife | Housewife | Michigan |
| 53 | John Jacobs | 75 | Head | Farmer | Michigan |
| 54 | Ray Weiss | 40 | Head | Painter | Michigan |
| 55 | Ruth Weiss | 36 | Wife | Waitress | Michigan |
| 56 | John Turner | 72 | Father in law | Farmer | Michigan |
| 57 | Frank Lapham | 67 | Head | Retired | — |
| 58 | Clara Lapham | 56 | Wife | Housewife | — |
| 59 | Lynn Harper | 45 | Head | Salesman | Michigan |
| 60 | Neva Harper | 44 | Wife | Saleslady | Michigan |
| 61 | Robert Harper THIS PERSON | 20 | Son | Truck Driver | Michigan |
| 62 | Ward Harper | 17 | Son | New Worker | Michigan |
| 63 | Kendall Harper | 13 | Son | — | Michigan |
| 64 | Leonard Harper | 11 | Son | — | Michigan |
| 65 | Lois Streeter | 12 | Step daughter | — | Michigan |
| 66 | Mapra Lou Streeter | 10 | Step daughter | — | Michigan |
| 67 | Henry Carter | 55 | Head | Laborer | Michigan |
| 68 | Anna Carter | 55 | Wife | Waitress | Michigan |
| 69 | Kenneth Carter | 25 | Son | New Worker | Michigan |
| 70 | Joe Wickerman | 58 | Head | Proprietor | Michigan |
| 71 | Ernest Wickerman | 41 | Brother | Clerk | Michigan |
| 72 | Anna Sloyle|Hoyle | 54 | Sister | Housewife | Michigan |
| 73 | Geraldine Sloyle|Hoyle | 18 | Niece | Operator | Michigan |
| 74 | Cecil Krahner|Krahmer | 31 | Head | Mechanic | Michigan |
| 75 | Inah Krahner|Krahmer | 30 | Wife | Housewife | Michigan |
| 76 | Keene Krahner|Krahmer | 21 | Son | Laborer | Michigan |
| 77 | Ilasey|Hassey Krahner|Krahmer | 17 | Son | New Worker | Michigan |
| 78 | Ilawh|Hawh Krahner|Krahmer | 15 | Daughter | — | Michigan |
| 79 | Bruce Krahner|Krahmer | 13 | Son | — | Michigan |
| 80 | Jean Krahner|Krahmer | 12 | Daughter | — | Michigan |
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 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)