RM
Robert Mccoy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sanilac, Michigan
Our Model Tree links this Robert Mccoy across the 1930 and 1940 US Censuses in Sanilac, Michigan (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 11-person household.
Age 7
b. ~1923
Male
Son
Born: Michigan
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sanilac, Michigan |
| Surname | McCoy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Minden City Village |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Mccoy | Daughter | — | 4 | ~1926 |
| Alma Mccoy | Other | — | 47 | ~1883 |
| Helen Mccoy | Daughter | — | 16 | ~1914 |
| William Mccoy | Son | — | 12 | ~1918 |
| Thomas Mccoy | Son | — | 11 | ~1919 |
| Alma Mccoy | Daughter | — | 21 | ~1909 |
| Patrick Mccoy | Son | — | 3 | ~1927 |
| Frank Mccoy | Son | — | 5 | ~1925 |
| Robert Mccoy | Son | — | 7 | ~1923 |
| John Mccoy | Head | — | 56 | ~1874 |
| Ralph Mccoy | Son | — | 9 | ~1921 |
Census Appearances
1930
Sanilac, Michigan
Son, age 7
Sanilac, Michigan · implied b. ~1923 — 11 household members
| Surname | McCoy |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Sanilac-County, Michigan
Son, age 17
Sanilac-County, Michigan · implied b. ~1923 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McKay |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Huron |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 16 |
| Income (1939) | 266 |
| Highest Grade | No 8 |
| 1935 Residence | Mich |
| 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 Mccoy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Mccoy
Son · 1930 · age 7 · b. ~1923 · Michigan
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Sibling
Frank Mccoy
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccoy
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mccoy
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Mccoy
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Mccoy
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alma Mccoy
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccoy
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mccoy
Sibling · 1930 · age 4
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
1930 US Federal Census — Sanilac, Michigan
Open full size
1930 US Federal Census — Sanilac, Michigan
Page Contents
50 people indexed on this census page (ia:1930:michigancensus00reel1028:0430)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Tenney | 37 | Head | Manager | California |
| 2 | Martha Tenney | 38 | Wife-H | — | Michigan |
| 3 | Wallace Tenney | 13 | Son | — | California |
| 4 | Virginia Tenney | 12 | Daughter | — | Michigan |
| 5 | Robert Tenney | 10 | Son | — | Michigan |
| 6 | Lawrence Tenney | 10 | Son | — | Michigan |
| 7 | Ruth Tenney | 5 | Daughter | — | Michigan |
| 8 | Mary G. Tenney | 2 | Daughter | — | Michigan |
| 9 | Katherine Moore | 33 | Head | Seamstress | Michigan |
| 10 | Mary Moore | 13 | Daughter | — | Michigan |
| 11 | Arthur Mooney | 51 | Head | Mail Carrier | Michigan |
| 12 | John Mooney | 48 | Brother | Substitute Carrier | Michigan |
| 13 | William Mcdonald | 59 | Head | — | Canada-English |
| 14 | Rachel Mcdonald | 59 | Wife-H | — | Canada-English |
| 15 | William Weber | 66 | Head | Proprietor | Germany |
| 16 | Helen Weber | 38 | Wife-H | — | Michigan |
| 17 | Carl Weber | 7 | Son | — | Michigan |
| 18 | Elizabeth Hauser | 51 | Cook | First Cook | Germany |
| 19 | Gertrude Gatrick | 56 | Waitress | Waiter | Germany |
| 20 | Oswald Weber | 68 | Uncle | — | Germany |
| 21 | Mary Peplinski | 19 | Servant | Servant | Michigan |
| 22 | Lucille Gatmen | 18 | Cook | Second Cook | Michigan |
| 23 | Bertha Glaza | 16 | Servant | Servant | Michigan |
| 24 | Emma Grifka | 20 | Servant | Waitress | Michigan |
| 25 | Henry Hitterman | 51 | Border | Laborer | Michigan |
| 26 | Milton Thompson | 49 | Head | Laborer | Michigan |
| 27 | Margaret Thompson | 45 | Wife-H | — | Germany |
| 28 | Otis Kelley | 39 | Head | Mail Carrier | Michigan |
| 29 | Bonnie Kelley | 33 | Wife-H | — | Michigan |
| 30 | Ruth Kelley | 7 | Daughter | — | Michigan |
| 31 | Robert Kelley | 5 | Son | — | Michigan |
| 32 | Marjorie Kelley | 4 | Daughter | — | Michigan |
| 33 | Louisa Swayze | 26 | Head | Proprietor | Michigan |
| 34 | Esther Swayze | 8 | Daughter | — | Michigan |
| 35 | Dolores Swayze | 6 | Daughter | — | Michigan |
| 36 | Jeanette Swayze | 4 | Daughter | — | Michigan |
| 37 | Bessie Mcdonald | 76 | Head | — | Canada-English |
| 38 | Lucetta Mcdonald | 58 | Daughter | Nurse | Michigan |
| 39 | James Mcdonald | 55 | Son | Farmer | Michigan |
| 40 | John Mccoy | 56 | Head | Doctor | Canada-English |
| 41 | Alma Mccoy | 47 | Wife-H | — | Michigan |
| 42 | Alma Mccoy | 21 | Daughter | Teacher | Michigan |
| 43 | Helen Mccoy | 16 | Daughter | — | Michigan |
| 44 | William Mccoy | 12 | Son | — | Michigan |
| 45 | Thomas Mccoy | 11 | Son | — | Michigan |
| 46 | Ralph Mccoy | 9 | Son | — | Michigan |
| 47 | Robert Mccoy THIS PERSON | 7 | Son | — | Michigan |
| 48 | Frank Mccoy | 5 | Son | — | Michigan |
| 49 | Mary Mccoy | 4 | Daughter | — | Michigan |
| 50 | Patrick Mccoy | 3 | Son | — | Michigan |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)