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Jack Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Sedgwick, Kansas
Our Model Tree links this Jack Martin across the 1910 and 1920 US Censuses in Sedgwick, Kansas (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 10-person household.
Age 12
b. ~1908
Male
Son
Born: Kansas
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Sedgwick, Kansas |
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Sherman Township |
| Est. Birth Year | ~1908 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Tracy Martin | Spouse | — | 37 | ~1883 |
| Paul Martin | Son | — | 6 | ~1914 |
| Craft Martin | Son | — | 14 | ~1906 |
| Josephine Martin | Daughter | — | 2 | ~1918 |
| M Martin | Son | — | 1 | ~1919 |
| Duels Martin | Son | — | 10 | ~1910 |
| Jack Martin | Son | — | 12 | ~1908 |
| J Martin | Head | — | 51 | ~1869 |
| Lena Martin | Daughter | — | 5 | ~1915 |
| Tilla Martin | Daughter | — | 8 | ~1912 |
Census Appearances
1910
Sedgwick, Kansas
Son, age 2
Sedgwick, Kansas · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Jakob |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Sedgwick, Kansas
Son, age 12
Sedgwick, Kansas · implied b. ~1908 — 10 household members
| Surname | Martin |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Germany |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 (1910 and 1920) in Sedgwick, Kansas, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Martin
Son · 1920 · age 12 · b. ~1908 · Kansas
★ You are viewing this record
Sibling
Josephine Martin
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Craft Martin
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Martin
Sibling · 1920 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Martin
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
M Martin
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Duels Martin
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Tilla Martin
Sibling · 1920 · age 8
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 — Sedgwick, Kansas
Open full size
1920 US Federal Census — Sedgwick, Kansas
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu548unit:1008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Eldrid Cunningham | 63 | none | None | Kansas |
| 52 | Claud Bramalaw | 11 | Son | None | Louisiana |
| 53 | Mary Mertes | 44 | Head | Farmer | Germany |
| 54 | Angela Mertes | 26 | Daughter | None | Minnesota |
| 55 | Marie Mertes | 24 | Daughter | None | Minnesota |
| 56 | Katie Mertes | 22 | Daughter | None | Minnesota |
| 57 | Ben Mertes | 19 | Son | Farmer | Minnesota |
| 58 | Helen Mertes | 17 | Daughter | None | Minnesota |
| 59 | Margret Mertes | 15 | Daughter | None | Minnesota |
| 60 | Jennie Mertes | 12 | Son | None | Kansas |
| 61 | Clara Mertes | 10 | Daughter | None | Kansas |
| 62 | Martha Mertes | 7 | Daughter | None | Kansas |
| 63 | Eddie Mertes | 4 | Son | None | Kansas |
| 64 | Frank Mertes | 2 | Son | None | Kansas |
| 65 | John F Greel | 36 | Head | Farmer | Wisconsin |
| 66 | Anna Greel | 32 | Wife | None | Kansas |
| 67 | Marcella Greel | 9 | Daughter | None | Kansas |
| 68 | George Greel | 7 | Son | None | Kansas |
| 69 | Lucile Greel | 4 | Daughter | None | Kansas |
| 70 | Francis Greel | 2 | Daughter | None | Kansas |
| 71 | Katherine Greel | 0 | Daughter | None | Kansas |
| 72 | Mary Greel | 73 | Mother | None | Austria |
| 73 | Lewis Langer | 34 | Head | Farmer | Kansas |
| 74 | Maggie Langer | 32 | Wife | None | Kansas |
| 75 | Walter Langer | 11 | Son | None | Kansas |
| 76 | Hortense Langer | 8 | Son | None | Kansas |
| 77 | Otto Langer | 5 | Son | None | Kansas |
| 78 | Robert Langer | 2 | Son | None | Kansas |
| 79 | Joe F Kriemerman | 54 | Head | Farmer | Wisconsin |
| 80 | Cora F Kriemerman | 39 | Wife | None | Kansas |
| 81 | Margret Kriemerman | 16 | Daughter | None | Kansas |
| 82 | Albert Kriemerman | 14 | Son | None | Kansas |
| 83 | Roman Kriemerman | 12 | Son | None | Kansas |
| 84 | Rosa Kriemerman | 8 | Daughter | None | Kansas |
| 85 | Walter Kriemerman | 6 | Son | None | Kansas |
| 86 | J H Martin | 51 | Head | Farmer | Germany |
| 87 | Tracy Martin | 37 | Wife | None | Iowa |
| 88 | Craft Martin | 14 | Son | None | Kansas |
| 89 | Jack Martin THIS PERSON | 12 | Son | None | Kansas |
| 90 | Duels Martin | 10 | Son | None | Kansas |
| 91 | Tilla Martin | 8 | Daughter | None | Kansas |
| 92 | Paul Martin | 6 | Son | None | Kansas |
| 93 | Lena Martin | 5 | Daughter | None | Kansas |
| 94 | Josephine Martin | 2 | Daughter | None | Kansas |
| 95 | M S Martin | 1 | Son | None | Kansas |
| 96 | Julius R Winter | 39 | Head | Farmer | Kansas |
| 97 | Francis Winter | 31 | Wife | None | Kansas |
| 98 | Wilfred Winter | 6 | Son | None | Kansas |
| 99 | Edwin Winter | 4 | Son | None | Kansas |
| 100 | Clarence Winter | 2 | Son | None | Kansas |
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)