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Fred Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Fred Martin across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 5-person household.
Age 66
b. ~1874
Male
Head
Born: Germany
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Martin |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Upper Dublin Township |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Odd jobs |
| Industry | Soap factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 832 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Odd Jobs |
| Township / Ward | Upper Dublin Township |
| Est. Birth Year | ~1874 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Fred | Age | Birth yr |
|---|---|---|---|---|
| Marion Martin | Daughter | — | 39 | ~1901 |
| Margaret Douglass | Daughter | — | 35 | ~1905 |
| Fred Martin | Head | — | 66 | ~1874 |
| George Martin | Son | — | 20 | ~1920 |
| Katherine Martin | Spouse | — | 62 | ~1878 |
Census Appearances
1920
Montgomery, Pennsylvania
Head, age 48
Montgomery, Pennsylvania · implied b. ~1872 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frederick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Germany |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Germany |
| Mother's Birthplace | France |
| Occupation | Laborer |
| Industry | Tannery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Home Owned/Rented | R |
| Birth Country | Germany |
| Year of Naturalization | 1896 |
| Birthplace (normalized) | germany |
1930
Montgomery, Pennsylvania
Head, age 55
Montgomery, Pennsylvania · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Frederick |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | First papers filed |
| Year of Immigration | 1891 |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | Tannery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Veteran | No |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Montgomery-County, Pennsylvania
Head, age 66
Montgomery-County, Pennsylvania · implied b. ~1874 — 5 household members
| Surname | Martin |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Upper Dublin Township |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Occupation | Odd jobs |
| Industry | Soap factory |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 832 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 Fred Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Fred Martin
Head · 1940 · age 66 · b. ~1874 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03585-00094)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charles Haff | 53 | Head | Machinist Foreman | Pennsylvania |
| 42 | Anna (X) Haff | 50 | Wife | — | Pennsylvania |
| 43 | Vera Haff | 25 | Daughter | — | Pennsylvania |
| 44 | Charles Haff | 22 | Son | Machinist | Pennsylvania |
| 45 | Pauline Haff | 19 | Daughter | — | Pennsylvania |
| 46 | Edward Haff | 9 | Son | — | Pennsylvania |
| 47 | Luther (X) Weaver | 62 | Head | Watchman | Pennsylvania |
| 48 | Elizabeth Weaver | 60 | Wife | — | Pennsylvania |
| 49 | Norton Weaver | 30 | Son | Clerk | Pennsylvania |
| 50 | Elias Moore | 82 | Father-in-law | — | Pennsylvania |
| 51 | Harry Felman | 63 | Head | Odd Jobs | Pennsylvania |
| 52 | Fannie Felman | 67 | Wife | — | Pennsylvania |
| 53 | Ethel Felman | 34 | Daughter | Bookkeeper | Pennsylvania |
| 54 | Edward Rudolph | 49 | Head | — | Pennsylvania |
| 55 | Catherine Rudolph | 48 | Wife | — | Pennsylvania |
| 56 | Edward Jr. Rudolph | 23 | Son | Odd Jobs | Pennsylvania |
| 57 | Stewart Bilger | 32 | Son-in-law | Operator | Pennsylvania |
| 58 | Vera Bilger | 24 | Daughter | Stenographer | Pennsylvania |
| 59 | Joseph Sheeny | 67 | Head | Polisher | Hungary |
| 60 | Amelia (X) Sheeny | 64 | Wife | — | Germany |
| 61 | Horace Willox | 34 | Head | Burner | Pennsylvania |
| 62 | Lena (X) Willox | 34 | Wife | — | Pennsylvania |
| 63 | Janice Willox | 13 | Daughter | — | Pennsylvania |
| 64 | Norman Willox | 9 | Son | — | Pennsylvania |
| 65 | Ellen Kay | 9 | Niece | — | Pennsylvania |
| 66 | Carroll Mattis | 25 | Head | Auto Mechanic | Pennsylvania |
| 67 | Mary Mattis | 71 | Mother | — | Pennsylvania |
| 68 | Alvin B. Faust | 75 | Head | — | Pennsylvania |
| 69 | Nora Faust | 68 | Wife | — | Pennsylvania |
| 70 | Catherine Faust | 45 | Daughter | — | Pennsylvania |
| 71 | Harvey M. (X) Stout | 62 | Head | Salesman | Pennsylvania |
| 72 | Josephine Stout | 59 | Wife | — | Pennsylvania |
| 73 | Fred Martin THIS PERSON | 66 | Head | Odd Jobs | Germany |
| 74 | Katherine (X) Martin | 62 | Wife | — | Delaware |
| 75 | Marion Martin | 39 | Daughter | Filing Clerk | Delaware |
| 76 | Margaret Douglass | 35 | Daughter | Stenographer | Pennsylvania |
| 77 | George Martin | 20 | Son | — | Pennsylvania |
| 78 | Cora (X) Rex | 66 | Head | — | Pennsylvania |
| 79 | Thomas Foulke | 47 | Head | Lawyer | New Jersey |
| 80 | Eliza (X) Foulke | 47 | Wife | — | Pennsylvania |
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)