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Julia Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Kootenai, Idaho
Our Model Tree links this Julia Martin across the 1910 and 1920 US Censuses in Kootenai, Idaho (XGBoost, ~Confirmed) — first a daughter (b.~1891), then head of a 7-person household.
Age 29
b. ~1891
Female
Daughter
Born: Idaho
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Kootenai, Idaho |
| Surname | Martin |
| Given Name | Julia M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Teacher |
| Industry | Language |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Teacher |
| Township / Ward | Post Falls Village |
| Est. Birth Year | ~1891 |
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 1920 census.
| Name | Relation to head | Relative to Julia | Age | Birth yr |
|---|---|---|---|---|
| Dean Martin | Son | — | 13 | ~1907 |
| Alice Martin | Spouse | — | 53 | ~1867 |
| Fred Martin | Son | — | 26 | ~1894 |
| Alice Martin | Daughter | — | 16 | ~1904 |
| Julia Martin | Daughter | — | 29 | ~1891 |
| Margaret Martin | Daughter | — | 18 | ~1902 |
| Alexander Martin | Head | — | 74 | ~1846 |
Census Appearances
1910
Kootenai, Idaho
Daughter, age 18
Kootenai, Idaho · implied b. ~1892 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Julia M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | High School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Eng |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1920
Kootenai, Idaho
Daughter, age 29
Kootenai, Idaho · implied b. ~1891 — 7 household members
| Surname | Martin |
| Given Name | Julia M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | Language |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 Julia Martin across 2 US Census years (1910 and 1920) in Kootenai, Idaho, using XGBoost record linkage.
Show:
This person
Anchor record
Julia Martin
Daughter · 1920 · age 29 · b. ~1891 · Idaho
★ You are viewing this record
Sibling
Fred Martin
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dean Martin
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Martin
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Martin
Sibling · 1920 · age 16
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
1920 US Federal Census — Kootenai, Idaho
Open full size
1920 US Federal Census — Kootenai, Idaho
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu291unit:0784)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | August Ludwig | 45 | Head | Contractor | Wisconsin |
| 2 | Ida S. Ludwig | 38 | Wife | — | Wisconsin |
| 3 | Gerald Ludwig | 18 | Son | Laborer | Montana |
| 4 | Gretchen Ludwig | 15 | Daughter | — | Montana |
| 5 | Gerald Kalsow | 21 | Boarder | Laborer | Wisconsin |
| 6 | Charlotte L. Kalsow | 21 | Wife | — | France |
| 7 | Alexander M. Martin | 74 | Head | Manufacturer | Pennsylvania |
| 8 | Alice R. Martin | 53 | Wife | — | Illinois |
| 9 | Julia M. Martin THIS PERSON | 29 | Daughter | Teacher | Idaho |
| 10 | Fred P. Martin | 26 | Son | Laborer | Idaho |
| 11 | Margaret E. Martin | 18 | Daughter | — | Idaho |
| 12 | Alice M. Martin | 16 | Daughter | — | Idaho |
| 13 | Dean L. Martin | 13 | Son | — | Idaho |
| 14 | Fred T. Pries | 53 | Head | Laborer | Missouri |
| 15 | Lyla Pries | 51 | Wife | — | Pennsylvania |
| 16 | William F. Hudson | 33 | Head | Laborer | Wisconsin |
| 17 | Verdie V. Hudson | 33 | Wife | — | Wisconsin |
| 18 | Madeline G. Hudson | 14 | Step Daughter | — | Michigan |
| 19 | Forrest Hudson | 11 | Step Son | — | Michigan |
| 20 | Pearl L. Hudson | 9 | Step Daughter | — | Michigan |
| 21 | Jessie M. Hudson | 5 | Daughter | — | Washington |
| 22 | Goldie L. Hudson | 2 | Daughter | — | Idaho |
| 23 | Sylvia R. Hudson | 2 | Daughter | — | Idaho |
| 24 | Edna V. Hudson | 0 | Daughter | — | Idaho |
| 25 | Thomas J. Russell | 47 | Head | Post Master | New York |
| 26 | Nellie C. Russell | 44 | Wife | — | Iowa |
| 27 | Warren A. Russell | 17 | Son | — | North Dakota |
| 28 | Vera L. Russell | 14 | Daughter | — | Idaho |
| 29 | Glenn T. Russell | 12 | Son | — | Idaho |
| 30 | Doris L. Russell | 5 | Daughter | — | Idaho |
| 31 | Thomas J. Blue | 48 | Head | Farmer | Arkansas |
| 32 | Julia A. Blue | 47 | Wife | — | Arkansas |
| 33 | Earl F. Blue | 15 | Son | — | Washington |
| 34 | Carl L. Blue | 13 | Son | — | Washington |
| 35 | Chester R. Blue | 2 | Son | — | Idaho |
| 36 | John W. Robison | 43 | Head | Plasterer | Indiana |
| 37 | Angeline Robison | 34 | Wife | Nurse | Nebraska |
| 38 | Martha E. Robison | 16 | Daughter | — | Nebraska |
| 39 | Warren O. Robison | 14 | Son | — | Nebraska |
| 40 | Charles W. Robison | 11 | Son | — | Nebraska |
| 41 | William H. Robison | 9 | Son | — | Nebraska |
| 42 | Gaylord W. Robison | 7 | Son | — | Nebraska |
| 43 | Nellie M. Robison | 4 | Daughter | — | Idaho |
| 44 | Claire J. Robison | 3 | Daughter | — | Idaho |
| 45 | William Biggar | 53 | Head | Proprietor | Scotland |
| 46 | Levi C. Spencer | 64 | Head | Laborer | New York |
| 47 | Lydia L. Spencer | 61 | Wife | Washerwoman | Missouri |
| 48 | John J. Schuck | 66 | Head | Printer | Pennsylvania |
| 49 | Anna G. Schuck | 60 | Wife | — | Pennsylvania |
| 50 | Robert B. Schuck | 18 | Son | — | Idaho |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)