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John Mullen — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Clay, Kansas
Our Model Tree links this John Mullen across the 1920 and 1930 US Censuses in Clay, Kansas (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 8-person household.
Age 10
b. ~1910
Male
Son
Born: Kansas
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clay, Kansas |
| Surname | Mullen |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Grant Township |
| Est. Birth Year | ~1910 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Mullen | Daughter | — | 15 | ~1905 |
| Ethel Mullen | Daughter | — | 11 | ~1909 |
| Fred Mullen | Head | — | 51 | ~1869 |
| Joseph Mullen | Son | — | 21 | ~1899 |
| Charles Mullen | Son | — | 19 | ~1901 |
| John Mullen | Son | — | 10 | ~1910 |
| Fredrick Mullen | Son | — | 13 | ~1907 |
| Madie Mullen | Spouse | — | 44 | ~1876 |
Census Appearances
1920
Clay, Kansas
Son, age 10
Clay, Kansas · implied b. ~1910 — 8 household members
| Surname | Mullen |
| Given Name | John M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Clay, Kansas
Son, age 20
Clay, Kansas · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mullen |
| Given Name | Johnny |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read/Write | 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 John Mullen across 2 US Census years (1920 and 1930) in Clay, Kansas, using XGBoost record linkage.
Show:
This person
Anchor record
John Mullen
Son · 1920 · age 10 · b. ~1910 · Kansas
★ You are viewing this record
Sibling
Joseph Mullen
Sibling · 1920 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ethel Mullen
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fredrick Mullen
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mullen
Sibling · 1920 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mullen
Sibling · 1920 · age 15
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 — Clay, Kansas
Open full size
1920 US Federal Census — Clay, Kansas
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu527unit:0375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Roll | 56 | Head | Farmer | Germany |
| 2 | Rosie Roll | 48 | Wife | — | Germany |
| 3 | Albert F Roll | 19 | Son | — | Kansas |
| 4 | Emma M Roll | 15 | Daughter | — | Kansas |
| 5 | Ernest H Roll | 14 | Son | — | Kansas |
| 6 | Lydia H Roll | 11 | Daughter | — | Kansas |
| 7 | John Steigleder | 52 | Head | Farmer | Germany |
| 8 | Lena Steigleder | 44 | Wife | — | Germany |
| 9 | Rosie D Steigleder | 20 | Daughter | — | Kansas |
| 10 | Lena H Steigleder | 18 | Daughter | — | Kansas |
| 11 | Annie S Steigleder | 16 | Daughter | — | Kansas |
| 12 | George R Steigleder | 14 | Son | — | Kansas |
| 13 | John W Steigleder | 11 | Son | — | Kansas |
| 14 | Karl M Steigleder | 10 | Son | — | Kansas |
| 15 | Goddie H Steigleder | 6 | Son | — | Kansas |
| 16 | Henry W Hanson | 37 | Head | Farmer | Wisconsin |
| 17 | Hulda M Hanson | 28 | Wife | — | Sweden |
| 18 | Lucile E Hanson | 7 | Daughter | — | Kansas |
| 19 | Cering H Hanson | 5 | Son | — | Kansas |
| 20 | Orville A Hanson | 4 | Son | — | Kansas |
| 21 | Edward Kieninger | 43 | Head | Farmer | Kansas |
| 22 | Louisa Kieninger | 34 | Wife | — | Kansas |
| 23 | Fred D Mullen | 51 | Head | Farmer & Stockman | Illinois |
| 24 | Madie B Mullen | 44 | Wife | — | Kansas |
| 25 | Joseph E Mullen | 21 | Son | Student | Kansas |
| 26 | Charles E Mullen | 19 | Son | Helper | Kansas |
| 27 | Mary Mullen | 15 | Daughter | — | Kansas |
| 28 | Fredrick D Mullen | 13 | Son | — | Kansas |
| 29 | Ethel Mullen | 11 | Daughter | — | Kansas |
| 30 | John M Mullen THIS PERSON | 10 | Son | — | Kansas |
| 31 | Fred F Steffeli | 41 | Head | Farmer | Switzerland |
| 32 | Jacob H Steffeli | 38 | Brother | Farmer | Kansas |
| 33 | Ferdinand A Steffeli | 32 | Brother | Farmer | Kansas |
| 34 | Maggie C Steffeli | 28 | Sister-in-law | — | Missouri |
| 35 | Harvey H Steffeli | 1 | Nephew | — | Kansas |
| 36 | Fred Steffeli | 69 | Father | — | Switzerland |
| 37 | Eclara Steffeli | 70 | Mother | — | Switzerland |
| 38 | Scharat Ferdinand Steffeli | 68 | Uncle | Farmer | Switzerland |
| 39 | Noah Carlson | 38 | Head | Farmer | Kansas |
| 40 | Mary B Carlson | 32 | Wife | — | Kansas |
| 41 | Alytha R Carlson | 10 | Daughter | — | Kansas |
| 42 | Joe L Carlson | 1 | Daughter | — | Kansas |
| 43 | Alfred Dattner | 20 | Hired man | Laborer | Kansas |
| 44 | Carl H Brown | 26 | Head | Farmer | Kansas |
| 45 | Pearl C Brown | 26 | Wife | — | Iowa |
| 46 | Sarah J Brown | 87 | Grandmother | — | Wales |
| 47 | William Butler | 29 | Brother-in-law | — | Iowa |
| 48 | Maurice Jones | 44 | Head | Farmer | Kansas |
| 49 | Callie R Jones | 46 | Wife | — | Kansas |
| 50 | Sarah J Jones | 14 | Daughter | — | 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)