JD
John Day — 1920 US Census Record
Model Tree available1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this John Day across the 1900, 1910 and 1920 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents Martha & George — first a son (b.~1891), then head of a 6-person household.
Age 29
b. ~1891
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Day |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Farm Laborer |
| Township / Ward | Election District 7 Urbana Part Of |
| Est. Birth Year | ~1891 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mabel Day | Daughter | — | 23 | ~1897 |
| Laura Day | Daughter | — | 33 | ~1887 |
| George Day | Head | — | 64 | ~1856 |
| Francis Day | Other | — | 2 | ~1918 |
| John Day | Son | — | 29 | ~1891 |
| Sophia Day | Spouse | — | 61 | ~1859 |
Census Appearances
1900
Montgomery, Maryland
Son, age 10
Montgomery, Maryland · implied b. ~1890 — 17 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Maryland |
| Birth Month | Oct |
| Birth Year | 1890 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1910
Montgomery, Maryland
Son, age 19
Montgomery, Maryland · implied b. ~1891 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | John T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Dairy Farm |
| Can Read | No |
| Can Write | No |
| Speaks English | English |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Son, age 29
Frederick, Maryland · implied b. ~1891 — 6 household members
| Surname | Day |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Farm laborer |
| Industry | Home farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Day across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage. Identified parents: mother Martha Day (~0.92 confidence) and father George Day (~0.92 confidence) and father Rubin Day (~0.92 confidence) and mother Sophia Day (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Martha Day
b. ~1851
Source mother
● Household
· direct · ~0.92
Father
George Day
b. ~1856
Source father
● Household
· direct · ~0.92
Father
Rubin Day
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Sophia Day
b. ~1859
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Day
Son · 1920 · age 29 · b. ~1891 · Maryland
★ You are viewing this record
Sibling
Laura Day
Sibling · 1920 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mabel Day
Sibling · 1920 · age 23
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 — Frederick, Maryland
Open full size
1920 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu672unit:1126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary M Harris | 75 | Aunt | — | Maryland |
| 52 | Zachariah P Harris | 53 | Brother-in-law | Carpenter | Maryland |
| 53 | George E Day | 64 | Head | Farmer | Maryland |
| 54 | Sophia W Day | 61 | Wife | — | Maryland |
| 55 | John F Day THIS PERSON | 29 | Son | Farm Laborer | Maryland |
| 56 | Laura E Day | 33 | Daughter | — | Maryland |
| 57 | Mabel Polk E Day | 23 | Daughter | — | Maryland |
| 58 | Francis R Day | 2 | Granddaughter | — | Maryland |
| 59 | Pliny P Day | 39 | Head | Farmer | Maryland |
| 60 | Zora E Day | 32 | Wife | — | Maryland |
| 61 | Howard S Day | 13 | Son | — | Maryland |
| 62 | Douglas F Day | 8 | Son | — | Maryland |
| 63 | Elizabeth V Day | 5 | Daughter | — | Maryland |
| 64 | Dorothy Day | 1 | Daughter | — | Maryland |
| 65 | Cleveland B Lawson | 33 | Head | Farmer | Maryland |
| 66 | Eva Belle Lawson | 34 | Wife | — | Maryland |
| 67 | Clide S Lawson | 13 | Son | — | Maryland |
| 68 | Russell C Lawson | 10 | Son | — | Maryland |
| 69 | Helen G Lawson | 7 | Daughter | — | Maryland |
| 70 | Luther H Lawson | 4 | Son | — | Maryland |
| 71 | Beatrice Lawson | 3 | Daughter | — | Maryland |
| 72 | Baby Lawson | 0 | Daughter | — | Maryland |
| 73 | Samuel G Schwartz | 59 | Head | Farmer | Maryland |
| 74 | Lucy R Schwartz | 30 | Daughter | — | Maryland |
| 75 | Pearl Schwartz | 27 | Daughter | Farm Laborer | Maryland |
| 76 | Ernest Schwartz | 25 | Son | Farm Laborer | Maryland |
| 77 | Ethel M Schwartz | 23 | Daughter | — | Maryland |
| 78 | John S Schwartz | 22 | Son | Farm Laborer | Maryland |
| 79 | Edgar L Schwartz | 21 | Son | Farm Laborer | Maryland |
| 80 | Mary M Roland | 7 | Orphan | — | Maryland |
| 81 | Elmer R Roland | 5 | Orphan | — | Maryland |
| 82 | Aaron L Staley | 42 | Head | Farmer | Maryland |
| 83 | Ella M Staley | 39 | Wife | — | Maryland |
| 84 | William Staley | 13 | Son | — | Maryland |
| 85 | Mattie L Staley | 10 | Daughter | — | Maryland |
| 86 | Jacob M Kanode | 49 | Head | Farmer | Maryland |
| 87 | Ella A Kanode | 49 | Wife | — | Maryland |
| 88 | Ralph G Kanode | 18 | Son | Farm Laborer | Maryland |
| 89 | Olie C Whiteman | 35 | Head | Farmer | Maryland |
| 90 | Ereal E Whiteman | 29 | Wife | — | Maryland |
| 91 | William T Whiteman | 8 | Son | — | Maryland |
| 92 | Helen E Whiteman | 6 | Daughter | — | Maryland |
| 93 | John T Whiteman | 4 | Son | — | Maryland |
| 94 | Otis A Whiteman | 1 | Son | — | Maryland |
| 95 | Luther L Trigg | 40 | Head | Farmer | Maryland |
| 96 | Maggie R Trigg | 31 | Wife | — | Pennsylvania |
| 97 | Walter H Trigg | 12 | Son | Laborer | Maryland |
| 98 | Roy R Trigg | 9 | Son | Farm Laborer | Maryland |
| 99 | William R Trigg | 8 | Son | Farm Laborer | Maryland |
| 100 | Thomas J Trigg | 4 | Son | Farm Laborer | Maryland |
Pedigree Summary
John + 2 siblings
Gen 1 · 4 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)