AM
Alfred Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Croix-County, Wisconsin
Our Model Tree links this Alfred Martin across the 1910, 1920, 1930 and 1940 US Censuses in St.-Croix-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Henry & Henry — first a son (b.~1901), then head of a 3-person household.
Age 39
b. ~1901
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Croix-County, Wisconsin |
| Surname | Martin |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Hudson |
| 1935 Residence (County) | St Croix |
| Additional Details | |
| Occupation | farmer |
| Industry | own farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farmer |
| Township / Ward | Hudson City |
| Est. Birth Year | ~1901 |
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 Alfred | Age | Birth yr |
|---|---|---|---|---|
| Alfred Martin | Son | — | 39 | ~1901 |
| William Ross | Other | — | 61 | ~1879 |
| Mary Martin | Head | — | 64 | ~1876 |
Census Appearances
1910
St Croix, …
Son, age 9
St Croix, Wisconsin · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
St Croix, …
Son, age 19
St Croix, Wisconsin · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Farm Laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
St Croix, …
Son, age 30
St Croix, Wisconsin · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Alfred B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | Dairy Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
St.-Croix-County, Wisconsin
Son, age 39
St.-Croix-County, Wisconsin · implied b. ~1901 — 3 household members
| Surname | Martin |
| Given Name | Alfred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Hudson |
| 1935 Residence (County) | St Croix |
| Occupation | farmer |
| Industry | own farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Alfred Martin across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Martin (~0.92 confidence) and father Henry Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Martin
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Henry Martin
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Nellie Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alfred Martin
Son · 1940 · age 39 · b. ~1901 · Wisconsin
★ 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 — St.-Croix-County, Wisconsin
Open full size
1940 US Federal Census — St.-Croix-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04522-00287)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert M Heffron | 41 | Head | Mechanic | Wisconsin |
| 2 | Lena L Heffron | 36 | Wife | — | Wisconsin |
| 3 | Gale L Heffron | 14 | Son | — | Wisconsin |
| 4 | William T Heffron | 12 | Son | — | Wisconsin |
| 5 | Robert M Jr Heffron | 7 | Son | — | Wisconsin |
| 6 | Mary Jane Heffron | 5 | Daughter | — | Wisconsin |
| 7 | Elizabeth J Heffron | 3 | Daughter | — | Wisconsin |
| 8 | John T Peterson | 33 | Head | Printer | Minnesota |
| 9 | Elizabeth Peterson | 33 | Wife | — | Wisconsin |
| 10 | Donna May Peterson | 10 | Daughter | — | Wisconsin |
| 11 | Gwendolyn Peterson | 7 | Daughter | — | Wisconsin |
| 12 | Mary Martin | 64 | Head | — | Wisconsin |
| 13 | William A Ross | 61 | Brother | — | Wisconsin |
| 14 | Alfred Martin THIS PERSON | 39 | Son | Farmer | Wisconsin |
| 15 | Appolina Ruemmele | 77 | Head | — | Germany |
| 16 | Edward J Davidson | 33 | Son-in-law | Proprietor | Wisconsin |
| 17 | Marie M Davidson | 33 | Daughter | — | Wisconsin |
| 18 | Carol M Davidson | 3 | Granddaughter | — | Wisconsin |
| 19 | Jean Ann Davidson | 1 | Granddaughter | — | Wisconsin |
| 20 | Theresa L Fable | 49 | Daughter | Servant | Wisconsin |
| 21 | Ragner O Johnson | 54 | Head | Cabinet Maker | Sweden |
| 22 | Esther L Johnson | 47 | Wife | — | Sweden |
| 23 | Herbert R Johnson | 15 | Son | — | Minnesota |
| 24 | Arvid C Bylander | 46 | Head | Supply & Maintenance | Wisconsin |
| 25 | Emily L Bylander | 39 | Wife | — | Wisconsin |
| 26 | Guerche L G Bylander | 14 | Son | — | Wisconsin |
| 27 | Lowell D Bylander | 12 | Son | — | Wisconsin |
| 28 | Lotus A Bylander | 9 | Daughter | — | Wisconsin |
| 29 | Duvonne L Bylander | 6 | Son | — | Wisconsin |
| 30 | Twila Lou Bylander | 3 | Daughter | — | Wisconsin |
| 31 | Jacob Bomgard | 47 | Head | Farmer | Minnesota |
| 32 | Bertha L Bomgard | 47 | Wife | — | Minnesota |
| 33 | Erwin J Bomgard | 17 | Son | Laborer | Minnesota |
| 34 | Glen Waxon | 24 | Head | Hauler-Cream | Wisconsin |
| 35 | Vycelle Waxon | 22 | Wife | — | Wisconsin |
| 36 | Lloyd S Gilbert | 26 | Head | Proprietor | Wisconsin |
| 37 | Lucile A Gilbert | 20 | Wife | — | Minnesota |
| 38 | Lloyd Guy Gilbert | 0 | Son | — | Wisconsin |
| 39 | Robert Johnson | 33 | Head | Plasterer | Minnesota |
| 40 | Tilda Johnson | 41 | Wife | — | Denmark |
Pedigree Summary
Alfred
Gen 1 · 6 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)