RM
Roy Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Huron-County, Michigan
Our Model Tree links this Roy Martin across the 1930 and 1940 US Censuses in Huron-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Huron-County, Michigan |
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Huron |
| Additional Details | |
| Occupation | Farm Helper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Farm Helper |
| Township / Ward | Grant Township |
| Est. Birth Year | ~1922 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| Mary Martin | Spouse | — | 43 | ~1897 |
| Isabel Martin | Daughter | — | 10 | ~1930 |
| Maynard Martin | Son | — | 5 | ~1935 |
| Gandaline Martin | Daughter | — | 8 | ~1932 |
| Marie Martin | Daughter | — | 16 | ~1924 |
| Kenneth Martin | Son | — | 7 | ~1933 |
| Roy Martin | Son | — | 18 | ~1922 |
| Claude Martin | Head | — | 45 | ~1895 |
Census Appearances
1930
Huron, Michigan
Son, age 8
Huron, Michigan · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| 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
Huron-County, Michigan
Son, age 18
Huron-County, Michigan · implied b. ~1922 — 8 household members
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Grant Township |
| 1935 Residence (County) | Huron |
| Occupation | Farm Helper |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Roy Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Martin
Son · 1940 · age 18 · b. ~1922 · Michigan
★ You are viewing this record
Sibling
Isabel Martin
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gandaline Martin
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Martin
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maynard Martin
Sibling · 1940 · age 5
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 — Huron-County, Michigan
Open full size
1940 US Federal Census — Huron-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01758-00355)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Viva Aiken | 32 | Wife | — | Michigan |
| 42 | Sanford Powett | 24 | Lodger | Farm Helper | Michigan |
| 43 | Bower Connell | 54 | Head | Farm Operator | Michigan |
| 44 | Meta Connell | 53 | Wife | — | Michigan |
| 45 | Claude Martin | 45 | Head | Farm Operator | Michigan |
| 46 | Mary Martin | 43 | Wife | — | Michigan |
| 47 | Roy Martin THIS PERSON | 18 | Son | Farm Helper | Michigan |
| 48 | Marie Martin | 16 | Daughter | — | Michigan |
| 49 | Isabel Martin | 10 | Daughter | — | Michigan |
| 50 | Gandaline Martin | 8 | Daughter | — | Michigan |
| 51 | Kenneth Martin | 7 | Son | — | Michigan |
| 52 | Maynard Martin | 5 | Son | — | Michigan |
| 53 | Jack Davison | 75 | Head | Farm Operator | Canada |
| 54 | Mina Davison | 65 | Wife | — | Canada |
| 55 | John Smith | 75 | Head | Farm Operator | Canada |
| 56 | Alvie Mcphail | 27 | Head | Farm Operator | Michigan |
| 57 | Marian Mcphail | 27 | Wife | — | Michigan |
| 58 | James W. Mcphail | 3 | Son | — | Michigan |
| 59 | Jack Jay | 18 | Lodger | Farm Helper | Michigan |
| 60 | Marion Crockett | 21 | Lodger | Farm Helper | Michigan |
| 61 | Frank Beader | 73 | Head | Farm Operator | Canada |
| 62 | Emily Beader | 67 | Wife | — | England |
| 63 | Charles Britt | 50 | Head | Farm Operator | Michigan |
| 64 | Mayme Britt | 45 | Wife | — | Michigan |
| 65 | Howard Britt | 22 | Son | Farm Helper | Michigan |
| 66 | Beatrice Britt | 15 | Daughter | — | Michigan |
| 67 | Charlie Doerr | 50 | Head | Farm Operator | Michigan |
| 68 | Jennie Doerr | 50 | Wife | — | Michigan |
| 69 | Henry Doerr | 20 | Son | Farm Helper | Michigan |
| 70 | Dorothy Doerr | 17 | Daughter | — | Michigan |
| 71 | Doris Doerr | 12 | Daughter | — | Michigan |
| 72 | Mary Doerr | 10 | Daughter | — | Michigan |
| 73 | Mick Alexander | 31 | Head | Farm | Michigan |
| 74 | Alice Alexander | 36 | Wife | — | Michigan |
| 75 | Willard Alexander | 14 | Son | — | Michigan |
| 76 | Frank Alexander | 11 | Son | — | Michigan |
| 77 | Mary G. Alexander | 9 | Daughter | — | Michigan |
| 78 | Billy Alexander | 7 | Son | — | Michigan |
| 79 | Nancy Alexander | 2 | Daughter | — | Michigan |
| 80 | Edward Brown | 53 | Head | Carpenter | Michigan |
Related Census Records
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)