JF
John Frey — 1930 US Census Record
Model Tree available1930 United States Federal Census · Leavenworth, Kansas
Our Model Tree links this John Frey across the 1910, 1920 and 1930 US Censuses in Leavenworth, Kansas (XGBoost, ~Confirmed), with identified parents Albert & Allie — first a son (b.~1907), then head of a 7-person household.
Age 23
b. ~1907
Male
Son
Born: Kansas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Leavenworth, Kansas |
| Surname | Frey |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Teacher |
| Township / Ward | Easton Township |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eddie Frey | Son | — | 19 | ~1911 |
| John Frey | Son | — | 23 | ~1907 |
| Mary Frey | Daughter | — | 3 | ~1927 |
| Fred Frey | Son | — | 9 | ~1921 |
| Harold Frey | Son | — | 13 | ~1917 |
| Mary Frey | Other | — | 43 | ~1887 |
| Allie Frey | Head | — | 44 | ~1886 |
Census Appearances
1910
Leavenworth, Kansas
Son, age 4
Leavenworth, Kansas · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Leavenworth, Kansas
Son, age 14
Leavenworth, Kansas · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Attending school |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Leavenworth, Kansas
Son, age 23
Leavenworth, Kansas · implied b. ~1907 — 7 household members
| Surname | Frey |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 John Frey across 3 US Census years (1910, 1920 and 1930) in Leavenworth, Kansas, using XGBoost record linkage. Identified parents: father Albert Frey (~0.92 confidence) and father Allie Frey (~0.92 confidence) and father Ellis Frey (~0.92 confidence) and mother Mary Frey (~0.92 confidence) and mother Mary Frey (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Frey
b. ~1881
Source father
● Household
· direct · ~0.92
Father
Allie Frey
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Ellis Frey
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Mary Frey
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Mary Frey
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Frey
Son · 1930 · age 23 · b. ~1907 · Kansas
★ You are viewing this record
Sibling
Fred Frey
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Frey
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Frey
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eddie Frey
Sibling · 1930 · age 19
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 — Leavenworth, Kansas
Open full size
1930 US Federal Census — Leavenworth, Kansas
Page Contents
50 people indexed on this census page (ia:1930:15thcensus707usce:0957)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Wife-H Lucile | 26 | Wife | — | Kansas |
| 52 | Daughter Theresa H | 1 | Daughter | — | Kansas |
| 53 | Henry Haltmeyer | 65 | Head | Farmer | Germany |
| 54 | Emma S Haltmeyer | 58 | Wife-H | — | Germany |
| 55 | Walter H Haltmeyer | 25 | Son | Farmer | Kansas |
| 56 | Clyde R Echart | 32 | Head | Laborer | Kansas |
| 57 | Jennie M Echart | 30 | Wife-H | — | Kansas |
| 58 | Jean R Echart | 8 | Son | — | Kansas |
| 59 | William J Hines | 64 | Head | Farmer | Kansas |
| 60 | Medora A Hines | 57 | Wife-H | — | Pennsylvania |
| 61 | Savaria J Hines | 29 | Daughter | — | Kansas |
| 62 | Irene E Hines | 20 | Daughter | Saleslady | Kansas |
| 63 | Allie N Frey | 44 | Head | Farmer | Kansas |
| 64 | Mary K Frey | 43 | Wife-H | — | Kansas |
| 65 | John H Frey THIS PERSON | 23 | Son | Teacher | Kansas |
| 66 | Eddie J Frey | 19 | Son | Farmer | Kansas |
| 67 | Harold H Frey | 13 | Son | — | Kansas |
| 68 | Fred A Frey | 9 | Son | — | Kansas |
| 69 | Mary A Frey | 3 | Daughter | — | Kansas |
| 70 | George J Rapp | 68 | Head | Farmer | Kansas |
| 71 | Jessie Rapp | 60 | Wife-H | — | Illinois |
| 72 | Walter Rapp | 31 | Son | Laborer | Kansas |
| 73 | Minnie Rapp | 27 | Daughter | Laborer | Kansas |
| 74 | Clara Rapp | 22 | Daughter | Laborer | Kansas |
| 75 | Benjamin F Incks | 57 | Head | Farmer | Kansas |
| 76 | Sarah J Incks | 43 | Wife-H | — | Missouri |
| 77 | Elza L Incks | 21 | Son | Mechanic | Kansas |
| 78 | Sabra J Incks | 19 | Daughter | — | Kansas |
| 79 | Geo J Naunstar | 66 | Head | Farmer | Kansas |
| 80 | Elizabeth Naunstar | 61 | Wife-H | — | Germany |
| 81 | John G Naunstar | 28 | Son | Trucking | Kansas |
| 82 | Robert J Naunstar | 25 | Son | Farmer | Kansas |
| 83 | Marie H Naunstar | 20 | Daughter | — | Kansas |
| 84 | Almer J Kramer | 25 | Head | Farmer | Kansas |
| 85 | Barbara M Kramer | 24 | Wife-H | — | Kansas |
| 86 | Andrew J Kramer | 3 | Son | — | Kansas |
| 87 | Bernette M Kramer | 2 | Daughter | — | Kansas |
| 88 | Thomas Haley | 59 | Head | Farmer | Kansas |
| 89 | Nellie Haley | 56 | Wife-H | — | Kansas |
| 90 | Martha Marie Funk | 32 | Head | Farmer | Kansas |
| 91 | Joseph N Funk | 13 | Son | — | Kansas |
| 92 | Howard Culps | 70 | Head | Farmer | Iowa |
| 93 | Mollie J Culps | 61 | Wife-H | — | Missouri |
| 94 | Irene Culps | 21 | Daughter | — | Missouri |
| 95 | Elmer Culps | 19 | Son | Laborer | Missouri |
| 96 | Joseph H Hall | 32 | Head | Farmer | Kansas |
| 97 | Mary Hall | 27 | Wife-H | — | Kansas |
| 98 | Francis T Hall | 9 | Son | — | Kansas |
| 99 | Mary L Hall | 7 | Daughter | — | Kansas |
| 100 | Helen J Hall | 5 | Daughter | — | Kansas |
Pedigree Summary
John + 4 siblings
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)