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Jack Martin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kootenai-County, Idaho
Our Model Tree links this Jack Martin across the 1930 and 1940 US Censuses in Kootenai-County, Idaho (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kootenai-County, Idaho |
| Surname | Martin |
| Given Name | Jack Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Coeur d'Alene |
| 1935 Residence (County) | Kootenai |
| Additional Details | |
| Occupation | Student |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Student |
| Township / Ward | Coeur Dalene |
| Est. Birth Year | ~1924 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Jack Martin | Son | — | 16 | ~1924 |
| Constance Martin | Daughter | — | 26 | ~1914 |
| Augustia Martin | Spouse | — | 46 | ~1894 |
| Robert Martin | Son | — | 9 | ~1931 |
| Jack Martin | Head | — | 52 | ~1888 |
| Dorothy Martin | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Kootenai, Idaho
Son, age 6
Kootenai, Idaho · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Norway |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Kootenai-County, Idaho
Son, age 16
Kootenai-County, Idaho · implied b. ~1924 — 6 household members
| Surname | Martin |
| Given Name | Jack Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Coeur d'Alene |
| 1935 Residence (County) | Kootenai |
| Occupation | Student |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Jack Martin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Martin
Son · 1940 · age 16 · b. ~1924 · Idaho
★ You are viewing this record
Sibling
Dorothy Martin
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Martin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Constance Martin
Sibling · 1940 · age 26
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 — Kootenai-County, Idaho
Open full size
1940 US Federal Census — Kootenai-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00748-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alled H Rickman | 51 | Head | Painter | Wisconsin |
| 2 | Mollie Rickman | 58 | Wife | — | Michigan |
| 3 | Inez Blount | 43 | Head | — | Washington |
| 4 | Elizabeth Blount | 18 | Daughter | Student | Idaho |
| 5 | Edward Corey | 48 | Lodger | Baker | Washington |
| 6 | George Stradgen | 62 | Head | Lumberman | England |
| 7 | Ell Stradgen | 57 | Wife | — | Missouri |
| 8 | Garland Wilson | 25 | Head | Meat Cutter | Oregon |
| 9 | Evelyn Wilson | 24 | Wife | — | Montana |
| 10 | Penelope K Wilson | 4 | Daughter | — | Idaho |
| 11 | Elmer Sellers | 36 | Head | Chief Time Keeper | Idaho |
| 12 | Helen Sellers | 36 | Wife | — | New York |
| 13 | Bill Sellers | 6 | Son | — | Idaho |
| 14 | Alois Kluge | 68 | Head | Lumberman | Germany |
| 15 | Mary Kluge | 53 | Wife | — | Nebraska |
| 16 | Joseph M Dressen | 37 | Head | Service Station Attendant | North Dakota |
| 17 | Verna Dressen | 36 | Wife | — | North Dakota |
| 18 | Jon J Dressen | 2 | Son | — | Idaho |
| 19 | Katherine Dressen | 5 | Daughter | — | Idaho |
| 20 | Jack Martin | 52 | Head | Labor | Norway |
| 21 | Augustia Martin | 46 | Wife | — | Wisconsin |
| 22 | Constance Martin | 26 | Daughter | Telephone Operator | Idaho |
| 23 | Dorothy Martin | 24 | Daughter | Telephone Operator | Idaho |
| 24 | Jack Jr Martin THIS PERSON | 16 | Son | Student | Idaho |
| 25 | Robert Martin | 9 | Son | Student | Idaho |
| 26 | Kenneth Beach | 45 | Head | Contractor | Canada |
| 27 | Elva Beach | 42 | Wife | Case Worker | Maine |
| 28 | Barbara Beach | 18 | Daughter | Student | Minnesota |
| 29 | Dorothy Beach | 18 | Daughter | Student | Minnesota |
| 30 | Howard Knaggs | 70 | Head | Clerical Work | Wisconsin |
| 31 | Zella Knaggs | 38 | Wife | — | Illinois |
| 32 | Helen Knaggs | 15 | Daughter | — | Washington |
| 33 | Earl Dawson | 42 | Head | Book Keeper | Wisconsin |
| 34 | Gertrude Dawson | 32 | Wife | — | Idaho |
| 35 | George Dawson | 16 | Son | Student | Idaho |
| 36 | Katherine Dawson | 14 | Daughter | Student | Idaho |
| 37 | Earl Jr Dawson | 12 | Son | Student | Idaho |
| 38 | Mary Dawson | 10 | Daughter | Student | Idaho |
| 39 | James Dawson | 8 | Son | Student | Idaho |
| 40 | Edna Dawson | 7 | Daughter | Student | Idaho |
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)