RD
Robert Day — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this Robert Day across the 1910 and 1920 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 12-person household.
Age 12
b. ~1908
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Day |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Election District 9 New Market Part Of |
| Est. Birth Year | ~1908 |
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.
12 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| James Day | Son | — | 20 | ~1900 |
| Laura Day | Spouse | — | 46 | ~1874 |
| Raymond Day | Son | — | 13 | ~1907 |
| Percy Day | Son | — | 3 | ~1917 |
| Medline Day | Daughter | — | 8 | ~1912 |
| Helen Day | Daughter | — | 11 | ~1909 |
| Lucille Day | Daughter | — | 17 | ~1903 |
| Robert Day | Son | — | 12 | ~1908 |
| James Day | Head | — | 55 | ~1865 |
| Myron Day | Son | — | 5 | ~1915 |
| Merry Day | Son | — | 14 | ~1906 |
| Mary Day | Spouse | — | 19 | ~1901 |
Census Appearances
1910
Montgomery, Maryland
Other, age 2
Montgomery, Maryland · implied b. ~1908 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Robert H. |
| Relationship to Head | Grand son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Son, age 12
Frederick, Maryland · implied b. ~1908 — 12 household members
| Surname | Day |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Maryland |
| 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 |
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 Robert Day across 2 US Census years (1910 and 1920) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Day
Son · 1920 · age 12 · b. ~1908 · Maryland
★ You are viewing this record
Sibling
Lucille Day
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Percy Day
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Day
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Medline Day
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Merry Day
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Day
Sibling · 1920 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Day
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Myron Day
Sibling · 1920 · age 5
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:1920:14thcensusofpopu673unit:0029)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Melania B Watkins | 35 | — | — | Maryland |
| 52 | J Lathumag Watkins | 10 | — | — | Maryland |
| 53 | Roland C Watkins | 2 | — | — | Maryland |
| 54 | Lynn Browning | 47 | Head | Farmer | Maryland |
| 55 | Mamie Browning | 60 | Wife | — | Maryland |
| 56 | Andrew Thomson | 49 | Head | Farmer | Maryland |
| 57 | Nannie Thomson | 44 | Wife | — | Maryland |
| 58 | John W Thomson | 21 | Son | Labor | Maryland |
| 59 | Bell Thomson | 23 | Daughter | — | Maryland |
| 60 | Mary Thomson | 19 | Daughter | — | Maryland |
| 61 | Herbert Thomson | 17 | Son | Labor | Maryland |
| 62 | Eleanor Thomson | 15 | Daughter | — | Maryland |
| 63 | Irving Thomson | 13 | Son | — | Maryland |
| 64 | Mark Thomson | 11 | Son | — | Maryland |
| 65 | Ray Thomson | 8 | Son | — | Maryland |
| 66 | Virginia Thomson | 6 | Daughter | — | Maryland |
| 67 | James R Boyer | 38 | Head | Farmer | Maryland |
| 68 | Idella M Boyer | 38 | Wife | — | Maryland |
| 69 | Ruth Milton Boyer | 17 | Daughter | — | Maryland |
| 70 | James H Lawson | 74 | Head | Farmer | Maryland |
| 71 | Sallie F Lawson | 59 | Wife | — | Maryland |
| 72 | Otto Cutshall | 41 | Head | Farming | Maryland |
| 73 | Berdie Emma Cutshall | 41 | Daughter | — | Maryland |
| 74 | Lonsdale Cutshall | 20 | Husband | Labor | Maryland |
| 75 | Virginia Cutshall | 5 | Daughter | — | Maryland |
| 76 | Virginia Cutshall | 1 | Daughter | — | Maryland |
| 77 | Richard Bennett | 62 | Head | Farmer | Maryland |
| 78 | Isabella Bennett | 62 | Wife | — | Maryland |
| 79 | Raymond Bennett | 28 | Son | Labor | Maryland |
| 80 | Lafayette Bennett | 21 | Son | Labor | Maryland |
| 81 | Lottie Bennett | 21 | Daughter-in-law | — | Maryland |
| 82 | Madeline Bennett | 1 | Granddaughter | — | Maryland |
| 83 | James Day | 55 | Head | Farmer | Maryland |
| 84 | Laura Day | 46 | Wife | — | Maryland |
| 85 | James S Day | 20 | Son | — | Maryland |
| 86 | Lucille Day | 17 | Daughter | — | Maryland |
| 87 | Merry Day | 14 | Son | — | Maryland |
| 88 | Raymond Day | 13 | Son | — | Maryland |
| 89 | Robert Day THIS PERSON | 12 | Son | — | Maryland |
| 90 | Helen M Day | 11 | Daughter | — | Maryland |
| 91 | Medline Day | 8 | Daughter | — | Maryland |
| 92 | Myron Day | 5 | Son | — | Maryland |
| 93 | Percy Day | 3 | Son | — | Maryland |
| 94 | Mary Day | 19 | Wife | — | Maryland |
| 95 | Ed Burdette | 51 | Head | Farmer | Maryland |
| 96 | Margaret L Burdette | 24 | Wife | — | Virginia |
| 97 | Marvin Burdette | 4 | Son | — | Maryland |
| 98 | Paul Burdette | 41 | Brother | Labor | Maryland |
| 99 | Sarah Burdette | 10 | Sister | — | Maryland |
| 100 | Maud Burdette | 13 | Sister | — | Maryland |
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)