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Mary Lyon — 1920 US Census Record
Model Tree available1920 United States Federal Census · Clark, Ohio
Our Model Tree links this Mary Lyon across the 1900, 1910 and 1920 US Censuses in Clark, Ohio (XGBoost, ~Confirmed), with identified parents Harvey & Sadie — first a daughter (b.~1897), then head of a 9-person household.
Age 23
b. ~1897
Female
Daughter
Born: Ohio
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Clark, Ohio |
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Occupation | Officer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Officer |
| Township / Ward | Springfield |
| Est. Birth Year | ~1897 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Sadie Lyon | Spouse | — | 53 | ~1867 |
| Jessie Lyon | Daughter | — | 31 | ~1889 |
| Mary Lyon | Daughter | — | 23 | ~1897 |
| Elinor Lyon | Daughter | — | 7 | ~1913 |
| Chas Kalfus | Other | — | 26 | ~1894 |
| Joe Lyon | Son | — | 1 | ~1919 |
| Helen Kalfus | Daughter | — | 26 | ~1894 |
| Joe Lyon | Other | — | 34 | ~1886 |
| Harry Lyon | Head | — | 55 | ~1865 |
Census Appearances
1900
Clark, Ohio
Daughter, age 4
Clark, Ohio · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Birth Month | Sep |
| Birth Year | 1896 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Clark, Ohio
Daughter, age 13
Clark, Ohio · implied b. ~1897 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Clark, Ohio
Daughter, age 23
Clark, Ohio · implied b. ~1897 — 9 household members
| Surname | Lyon |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Officer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Mary Lyon across 3 US Census years (1900, 1910 and 1920) in Clark, Ohio, using XGBoost record linkage. Identified parents: father Harvey Lyon (~0.92 confidence) and mother Sadie Lyon (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harvey Lyon
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Sadie Lyon
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lyon
Daughter · 1920 · age 23 · b. ~1897 · Ohio
★ You are viewing this record
Sibling
Helen Kalfus
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elinor Lyon
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Lyon
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Lyon
Sibling · 1920 · age 31
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 — Clark, Ohio
Open full size
1920 US Federal Census — Clark, Ohio
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1354unit:0353)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James Turner | 45 | Head | Mgr | Ohio |
| 52 | Maud Turner | 44 | Wife | — | Ohio |
| 53 | John Turner | 15 | Son | — | Ohio |
| 54 | Francis Turner | 17 | Son | — | Ohio |
| 55 | Robert Turner | 12 | Son | — | Ohio |
| 56 | Nancy J Turner | 7 | Daughter | — | Ohio |
| 57 | Harry Lyon | 55 | Head | Commercial Traveler | Ohio |
| 58 | Sadie Lyon | 53 | Wife | — | Ohio |
| 59 | Jessie Lyon | 31 | Daughter | — | Ohio |
| 60 | Joe Lyon | 34 | Son in law | Officer | Ohio |
| 61 | Elinor Lyon | 7 | Daughter | — | Ohio |
| 62 | Joe Lyon | 1 | Son | — | Ohio |
| 63 | Mary Lyon THIS PERSON | 23 | Daughter | Officer | Ohio |
| 64 | Chas Kalfus | 26 | Son in law | Traveling Salesman | Ohio |
| 65 | Helen Kalfus | 26 | Daughter | Music Teacher | Ohio |
| 66 | Louise Mulligan | 27 | Head | — | Ohio |
| 67 | Ernest J Karscher | 72 | Head | Toolmaker | Westphalia |
| 68 | Carrie M Karscher | 61 | Wife | — | Westphalia |
| 69 | Grace M Karscher | 36 | Daughter | Teacher | Ohio |
| 70 | Jessie A Brain | 57 | Head | — | Ohio |
| 71 | Mary Brain | 53 | Sister | — | Ohio |
| 72 | Geo Limbocker | 41 | Head | Merchant | Ohio |
| 73 | Grace Limbocker | 41 | Wife | — | Ohio |
| 74 | Alden Limbocker | 16 | Son | — | Ohio |
| 75 | John Limbocker | 13 | Son | — | Ohio |
| 76 | Walter J Bell | 40 | Head | Gen Manager | Maryland |
| 77 | Augusta G Bell | 39 | Wife | — | Ohio |
| 78 | Lawrence R Bell | 14 | Son | — | Iowa |
| 79 | Charlotte M Bell | 12 | Daughter | — | Iowa |
| 80 | Robert W Bell | 3 | Son | — | Iowa |
| 81 | Elizabeth Bohn | 25 | Maid | Maid | Ohio |
| 82 | Ira Bell | 24 | Maid | Maid | Ohio |
| 83 | Herman J Voges | 48 | Head | President | Ohio |
| 84 | Bertha S Voges | 40 | Wife | — | Illinois |
| 85 | Robert S Voges | 23 | Son | Commercial Traveler | Illinois |
| 86 | Herman Jr Voges | 20 | Son | Student | Ohio |
| 87 | Harold S Voges | 18 | Son | — | Ohio |
| 88 | Harry A Nelson | 38 | Head | Merchant Tailor | Ohio |
| 89 | Loyal M Nelson | 34 | Wife | — | Ohio |
| 90 | Lyman H Nelson | 12 | Son | — | Ohio |
| 91 | Herman B Drummond | 37 | Head | Mechanical Engineer | Ohio |
| 92 | Maria Drummond | 79 | Mother | — | Ohio |
| 93 | Richard H Drummond | 9 | Son | — | Ohio |
| 94 | Mary J Drummond | 6 | Daughter | — | Ohio |
| 95 | Mabel B Murray | 40 | Housekeeper | Housekeeper | Ohio |
| 96 | William F Bauret | 66 | Head | Supt | Tennessee |
| 97 | Catherine Bauret | 61 | Wife | — | Ohio |
| 98 | Robert J Bauret | 20 | Son | — | Ohio |
| 99 | Raymond C Hall | 28 | Head | Dealer In | Ohio |
| 100 | Elizabeth Hall | 26 | Wife | — | Ohio |
Pedigree Summary
Mary + 4 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)