RH
Robert Hopkins — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Robert Hopkins across the 1920, 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed), with identified parents John & Lesley — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Hopkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Oakland |
| Additional Details | |
| Occupation | Reception attendant |
| Industry | Gas Oil |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 175 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Reception Attendant |
| Township / Ward | Birmingham City |
| Est. Birth Year | ~1919 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Helen Hopkins | Daughter | — | 17 | ~1923 |
| Robert Hopkins | Son | — | 21 | ~1919 |
| John Hopkins | Head | — | 54 | ~1886 |
| Rose Hopkins | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Oakland, Michigan
Son, age 1
Oakland, Michigan · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada |
| Mother Tongue | English |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Oakland, Michigan
Son, age 11
Oakland, Michigan · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hopkins |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Canada French |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oakland-County, Michigan
Son, age 21
Oakland-County, Michigan · implied b. ~1919 — 4 household members
| Surname | Hopkins |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Birmingham City |
| 1935 Residence (County) | Oakland |
| Occupation | Reception attendant |
| Industry | Gas Oil |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 175 |
| Highest Grade | 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 Hopkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Hopkins (~0.92 confidence) and father Lesley Hopkins (~0.92 confidence) and mother Rose Hopkins (~0.92 confidence) and mother Rose Hopkins (~0.92 confidence) and mother Rose Hopkins (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Hopkins
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Lesley Hopkins
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Rose Hopkins
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Rose Hopkins
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Rose Hopkins
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Hopkins
Son · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Helen Hopkins
Sibling · 1940 · age 17
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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01798-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles Harris | 36 | Head | Messenger | Michigan |
| 2 | Marguerite Harris | 33 | Wife | — | Michigan |
| 3 | Alice M. Harris | 8 | Daughter | — | Michigan |
| 4 | Fred Roberts | 37 | Head | Machinist | Michigan |
| 5 | Ruth Roberts | 37 | Wife | — | Michigan |
| 6 | Dale Roberts | 13 | Son | — | Michigan |
| 7 | Phillip Sharman | 34 | Head | Foreman | England |
| 8 | Mary L. Sharman | 34 | Wife | — | Tennessee |
| 9 | Ted Lewis Sharman | 5 | Son | — | Michigan |
| 10 | Percy Parkyn | 45 | Head | Letter Carrier | Nebraska |
| 11 | Harriett Parkyn | 43 | Wife | — | Michigan |
| 12 | Faith Parkyn | 19 | Daughter | — | Michigan |
| 13 | Joseph Parkyn | 18 | Son | — | Michigan |
| 14 | Phoebe Glassing | 47 | Sister | Bookkeeper | Nebraska |
| 15 | Irene Morgart | 19 | Niece | — | North Dakota |
| 16 | John Tomsen | 35 | Brother | Laborer | Michigan |
| 17 | Charles Coburn | 51 | Head | Pacemaker | Michigan |
| 18 | Rosa Coburn | 46 | Wife | — | Michigan |
| 19 | Charles Barron | 36 | Head | Lineman | Ohio |
| 20 | Florence Barron | 30 | Wife | Proofreader | Canada-English |
| 21 | Lila N. Barron | 10 | Daughter | — | Michigan |
| 22 | John Muehlhagen | 29 | Head | Tool & Die Maker | Pennsylvania |
| 23 | Elsie Muehlhagen | 26 | Wife | — | Michigan |
| 24 | Geoff Muehlhagen | 4 | Son | — | Michigan |
| 25 | John V. Muehlhagen | 1 | Son | — | Michigan |
| 26 | John Hopkins | 54 | Head | Electrician | Michigan |
| 27 | Rose Hopkins | 53 | Wife | — | Canada-French |
| 28 | Robert Hopkins THIS PERSON | 21 | Son | Reception Attendant | Michigan |
| 29 | Helen Hopkins | 17 | Daughter | House Maid | Michigan |
| 30 | Ellery Brownell | 57 | Head | Auditor | Michigan |
| 31 | Edith Brownell | 56 | Wife | — | Michigan |
| 32 | Archie Adkins | 38 | Head | Carpenter | Michigan |
| 33 | Ruth Adkins | 26 | Wife | — | New York |
| 34 | John Ryan | 49 | Head | Mechanic | Massachusetts |
| 35 | Mary P. Ryan | 47 | Wife | School Teacher | West Virginia |
| 36 | Margery C. Ryan | 19 | Daughter | — | Michigan |
| 37 | Lloyd L. Bruce | 43 | Head | Letter Carrier | Michigan |
| 38 | Norma Bruce | 37 | Wife | — | Michigan |
| 39 | Velma Bruce | 14 | Daughter | — | Michigan |
| 40 | Myra Bruce | 12 | Daughter | — | Michigan |
Pedigree Summary
Robert + 1 sibling
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)