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Hazel Martin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Knox, Illinois
Our Model Tree links this Hazel Martin across the 1910, 1920 and 1930 US Censuses in Knox, Illinois (XGBoost, ~Confirmed), with identified parents Fred & Frederick — first a daughter (b.~1903), then head of a 3-person household.
Age 27
b. ~1903
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Knox, Illinois |
| Surname | Martin |
| Given Name | Hazel L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Seamstress |
| Industry | Overall Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Seamstress |
| Township / Ward | Abingdon City |
| Est. Birth Year | ~1903 |
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 1930 census.
| Name | Relation to head | Relative to Hazel | Age | Birth yr |
|---|---|---|---|---|
| Nora Martin | Head | — | 53 | ~1877 |
| Hazel Martin | Daughter | — | 27 | ~1903 |
| Paul Martin | Son | — | 22 | ~1908 |
Census Appearances
1910
Warren, Illinois
Daughter, age 7
Warren, Illinois · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Warren, Illinois
Daughter, age 16
Warren, Illinois · implied b. ~1904 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Knox, Illinois
Daughter, age 27
Knox, Illinois · implied b. ~1903 — 3 household members
| Surname | Martin |
| Given Name | Hazel L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Seamstress |
| Industry | Overall Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Hazel Martin across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Martin (~0.92 confidence) and father Frederick Martin (~0.92 confidence) and mother Anna Martin (~0.92 confidence) and mother Anna Martin (~0.92 confidence) and mother Nora Martin (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Frederick Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Anna Martin
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Anna Martin
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Nora Martin
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Hazel Martin
Daughter · 1930 · age 27 · b. ~1903 · Illinois
★ You are viewing this record
Sibling
Paul Martin
Sibling · 1930 · age 22
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
1930 US Federal Census — Knox, Illinois
Open full size
1930 US Federal Census — Knox, Illinois
Page Contents
49 people indexed on this census page (ia:1930:illinoiscensus00reel527:0008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James F. Ricker | 48 | Head | Sectionman | Pennsylvania |
| 52 | Maggie A. Ricker | 47 | Wife | None | Illinois |
| 53 | Beulah C. Ricker | 26 | Daughter | Teacher | Illinois |
| 54 | Nora F. Martin | 53 | Head | None | Illinois |
| 55 | Hazel L. Martin THIS PERSON | 27 | Daughter | Seamstress | Illinois |
| 56 | Paul M. Martin | 22 | Son | Clerk | Illinois |
| 57 | Dee Courson | 39 | Head | Laborer | Oklahoma |
| 58 | Alpha M. Courson | 35 | Wife | None | Illinois |
| 59 | Malan Anne M. Courson | 17 | Daughter | None | Illinois |
| 60 | Alice M. Courson | 1 | Granddaughter | None | Illinois |
| 61 | Melvin J. Courson | 16 | Son | Farm Laborer | Illinois |
| 62 | Harold R. Courson | 14 | Son | None | Illinois |
| 63 | Charles R. Courson | 10 | Son | None | Illinois |
| 64 | Marjorie M. Courson | 7 | Daughter | None | Illinois |
| 65 | Mildred R. Courson | 2 | Daughter | None | Illinois |
| 66 | Margaret L. Courson | 1 | Daughter | None | Illinois |
| 67 | Geo H. Fulder | 32 | Head | Molder | Illinois |
| 68 | Ada Fulder | 26 | Wife | None | Illinois |
| 69 | Harold A. Fulder | 7 | Son | None | Illinois |
| 70 | Edward Stegall | 68 | Settler-in-law | Laborer | Illinois |
| 71 | Charlie Carter | 60 | Head | Mail Clerk | Illinois |
| 72 | Nora Carter | 51 | Wife | None | Illinois |
| 73 | Lawrence Maltby | 60 | Head | None | Illinois |
| 74 | Sarah L. Maltby | 65 | Wife | None | Illinois |
| 75 | Roy Steel | 22 | Step-son | None | Illinois |
| 76 | Ernest W. Larson | 29 | Head | Laborer | Iowa |
| 77 | Maefra M. Larson | 23 | Wife | Seamstress | Iowa |
| 78 | Richard F. Larson | 2 | Son | None | Illinois |
| 79 | Frank J. Simpson | 63 | Father-in-law | None | Iowa |
| 80 | Anna Simpson | 61 | Mother-in-law | None | Iowa |
| 81 | Alta E. Haynes | 66 | Head | None | Illinois |
| 82 | Nellie L. Walker | 43 | Daughter | Seamstress | Illinois |
| 83 | Helen M. Walker | 16 | Granddaughter | None | Illinois |
| 84 | Florence M. Way | 32 | Daughter | Seamstress | Illinois |
| 85 | Marion J. Way | 5 | Granddaughter | None | Illinois |
| 86 | Lois J. Way | 4 | Granddaughter | None | Illinois |
| 87 | Arlo J. Haynes | 34 | Son | None | Illinois |
| 88 | Artie W. Haynes | 27 | Head | Caster Maker | Illinois |
| 89 | Ruth L. Haynes | 24 | Wife | None | Illinois |
| 90 | Doris L. Haynes | 6 | Daughter | None | Illinois |
| 91 | Betty F. Haynes | 4 | Daughter | None | Illinois |
| 92 | Jennie Randall | 74 | Head | None | Indiana |
| 93 | William G. Robinson | 72 | Head | None | Pennsylvania |
| 94 | Mary S. Robinson | 70 | Wife | None | Illinois |
| 95 | Ruth L. Robinson | 47 | Daughter | Teacher | Illinois |
| 96 | Leroy Lomax | 66 | Head | Superintendent | Illinois |
| 97 | Helen M. Lomax | 62 | Wife | None | Illinois |
| 98 | Bessie M. Lomax | 32 | Daughter | Seamstress | Illinois |
| 99 | Kyle P. Purse | 21 | Grandson | Shipping Clerk | Illinois |
Pedigree Summary
Hazel + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)