CM
Clarence Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Muskegon-County, Michigan
Our Model Tree links this Clarence Martin across the 1920, 1930 and 1940 US Censuses in Muskegon-County, Michigan (XGBoost, ~Confirmed), with identified parents Henry & Clara — first a head (b.~1900), then head of a 3-person household.
Age 40
b. ~1900
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Muskegon-County, Michigan |
| Surname | Martin |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Muskegon City |
| 1935 Residence (County) | Muskegon |
| Additional Details | |
| Occupation | Switch Conductor |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1074 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same Place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Switch Conductor |
| Township / Ward | Muskegon City |
| Est. Birth Year | ~1900 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Clarence | Age | Birth yr |
|---|---|---|---|---|
| Carol Martin | Daughter | — | 2 | ~1938 |
| Clarence Martin | Head | — | 40 | ~1900 |
| Clara Martin | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Muskegon, Michigan
Son, age 21
Muskegon, Michigan · implied b. ~1899 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Clarence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New Jersey |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Muskegon, Michigan
Head, age 30
Muskegon, Michigan · implied b. ~1900 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Michigan |
| Age at First Marriage | 24 |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Maryland |
| Occupation | Switchman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Muskegon-County, Michigan
Head, age 40
Muskegon-County, Michigan · implied b. ~1900 — 3 household members
| Surname | Martin |
| Given Name | Clarence |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | Muskegon City |
| 1935 Residence (County) | Muskegon |
| Occupation | Switch Conductor |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 1074 |
| Highest Grade | Hs 3 |
| 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 Clarence Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Martin (~0.92 confidence) and mother Clara Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Martin
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Clara Martin
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Clarence Martin
Head · 1940 · age 40 · b. ~1900 · Michigan
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Muskegon-County, Michigan
Open full size
1940 US Federal Census — Muskegon-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01794-00494)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Benjamin Peterson | 51 | Head | Repairer | Illinois |
| 42 | Marie Peterson | 51 | Wife | Bookkeeper | Illinois |
| 43 | John Peterson | 20 | Son | Delivery Clerk | Illinois |
| 44 | Caroline Peterson | 22 | Daughter | — | Illinois |
| 45 | Jack Peterson | 1 | Grandson | — | Michigan |
| 46 | Ivar Co. Swarvar | 33 | Head | Accountant | Michigan |
| 47 | Helen Swarvar | 31 | Wife | — | Michigan |
| 48 | Judith Swarvar | 1 | Daughter | — | Michigan |
| 49 | Clarence Martin THIS PERSON | 40 | Head | Switch Conductor | Michigan |
| 50 | Clara Martin | 40 | Wife | — | Michigan |
| 51 | Carol Ann Martin | 2 | Daughter | — | Michigan |
| 52 | Patrick Whalen | 60 | Head | Laborer | Michigan |
| 53 | Sadie Whalen | 58 | Wife | — | Michigan |
| 54 | Nicholas Portincasa | 36 | Head | Laborer | Italy |
| 55 | Susan Portincasa | 32 | Wife | — | Illinois |
| 56 | Joseph J. Portincasa | 12 | Son | — | Illinois |
| 57 | Harry Mcfall | 49 | Head | Express Messenger | Michigan |
| 58 | Mary Mcfall | 45 | Wife | — | Michigan |
| 59 | Mary J. Mcfall | 18 | Daughter | Comptometrist | Michigan |
| 60 | Louis Berghuis | 32 | Head | Manager | Michigan |
| 61 | Laura Berghuis | 26 | Wife | — | Michigan |
| 62 | Keith Berghuis | 5 | Son | — | Michigan |
| 63 | Julius Ritz | 50 | Head | Cupola Charger | Michigan |
| 64 | Virginia Ritz | 41 | Wife | — | Oklahoma |
| 65 | Ellnor Ritz | 19 | Daughter | — | Michigan |
| 66 | Barbara Ritz | 13 | Daughter | — | Texas |
| 67 | Julius Jr. Ritz | 11 | Son | — | Michigan |
| 68 | Gerald Ritz | 8 | Son | — | Michigan |
| 69 | James Lee Ritz | 1 | Son | — | Michigan |
| 70 | Conrad Anderson | 28 | Head | Proprietor | Michigan |
| 71 | Laura Anderson | 27 | Wife | — | Michigan |
| 72 | Constance Anderson | 12 | Daughter | — | Michigan |
| 73 | Delores Anderson | 11 | Daughter | — | Michigan |
| 74 | Valerie Anderson | 5 | Daughter | — | Michigan |
| 75 | Janet Anderson | 3 | Daughter | — | Michigan |
| 76 | Minnie Berkshire | 68 | Head | — | Ohio |
| 77 | Edward L. Lewis | 68 | Head | — | Michigan |
| 78 | Amy D. Lewis | 64 | Wife | Bookkeeper | Michigan |
| 79 | Flora Smith | 85 | Mother-in-law | — | Michigan |
| 80 | Arthur Anderson | 46 | Head | Special Messenger | Michigan |
Pedigree Summary
Clarence
Gen 1 · 2 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)