JH
James Holmes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Clair-County, Michigan
Our Model Tree links this James Holmes across the 1930 and 1940 US Censuses in St.-Clair-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Clair-County, Michigan |
| Surname | Holmes |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron |
| 1935 Residence (County) | St Clair |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Port Huron |
| Est. Birth Year | ~1930 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Barbara Holmes | Daughter | — | 9 | ~1931 |
| Lewis Holmes | Head | — | 47 | ~1893 |
| Robert Holmes | Son | — | 21 | ~1919 |
| Donald Holmes | Son | — | 6 | ~1934 |
| James Holmes | Son | — | 10 | ~1930 |
| Edwin Holmes | Son | — | 12 | ~1928 |
| Kathleen Holmes | Spouse | — | 38 | ~1902 |
Census Appearances
1930
St Clair, …
Son, age
St Clair, Michigan · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
St.-Clair-County, Michigan
Son, age 10
St.-Clair-County, Michigan · implied b. ~1930 — 7 household members
| Surname | Holmes |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Port Huron |
| 1935 Residence (County) | St Clair |
| Highest Grade | No 3 |
| 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 James Holmes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Holmes
Son · 1940 · age 10 · b. ~1930 · Michigan
★ You are viewing this record
Sibling
Edwin Holmes
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Holmes
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Holmes
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Holmes
Sibling · 1940 · age 6
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 — St.-Clair-County, Michigan
Open full size
1940 US Federal Census — St.-Clair-County, Michigan
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01816-00695)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 3 | Patricia Lauth | 7 | Daughter | — | Michigan |
| 4 | Elmer G. Brown | 72 | Head | Owner | Michigan |
| 5 | Louisa Brown | 72 | Wife | — | Michigan |
| 6 | William Henderson | 12 | Great Nephew | — | Indiana |
| 7 | Faye Lavis | 30 | Head | Braider Operator | Ohio |
| 8 | Samuel K. Willard | 48 | Head | Inspector | Missouri |
| 9 | Berethena Willard | 46 | Wife | — | Missouri |
| 10 | Eldon Willard | 17 | Son | — | Kansas |
| 11 | Frances Willard | 13 | Daughter | — | Michigan |
| 12 | Philip Willard | 11 | Son | — | Michigan |
| 13 | Helen Willard | 8 | Daughter | — | Michigan |
| 14 | Lewis J. Holmes | 47 | Head | Foreman | Ohio |
| 15 | Kathleen Holmes | 38 | Wife | — | Michigan |
| 16 | Robert Holmes | 21 | Son | New Worker | Michigan |
| 17 | Edwin Holmes | 12 | Son | — | Michigan |
| 18 | James Holmes THIS PERSON | 10 | Son | — | Michigan |
| 19 | Barbara Holmes | 9 | Daughter | — | Michigan |
| 20 | Donald Holmes | 6 | Son | — | Michigan |
| 21 | Robert Carlisle | 38 | Head | Foreman | Michigan |
| 22 | Genevieve Carlisle | 32 | Wife | — | Michigan |
| 23 | William Carlisle | 5 | Son | — | Michigan |
| 24 | Jack Carlisle | 12 | Son | — | Michigan |
| 25 | John Clifford | 50 | Head | Sales Manager | Wisconsin |
| 26 | Marion Clifford | 49 | Wife | — | Australia |
| 27 | Elizabeth Clifford | 12 | Daughter | — | Michigan |
| 29 | Cornelius Mccormick | 67 | Head | Salesman | Michigan |
| 30 | James G. Mccormick | 33 | Son | Supervisor | Michigan |
| 31 | Clara Mccormick | 29 | Daughter-in-law | — | Michigan |
| 32 | Mary Lou Mccormick | 10 | Grand-daughter | — | Michigan |
| 33 | Charlotte Mccormick | 9 | Grand-daughter | — | Michigan |
| 34 | Palmer Gracy | 57 | Head | Manager | Michigan |
| 35 | Birdie Gracy | 54 | Wife | — | Michigan |
| 36 | Barbara Gracy | 20 | Daughter | Typist | Michigan |
| 37 | Benjamin F. Kehrer | 58 | Head | Foreman | Michigan |
| 38 | Mary Agnes Kehrer | 50 | Wife | — | Canada (Eng) |
| 39 | Hildegarde Kehrer | 19 | Daughter | — | Michigan |
| 40 | George Vincent | 36 | Head | Maintenance Man | Michigan |
| 41 | Madeline Vincent | 32 | Wife | Stenographer | Michigan |
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)