FD
Frank Day — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Maryland
Our Model Tree links this Frank Day across the 1930 and 1940 US Censuses in Montgomery, Maryland (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 10-person household.
Age 5
b. ~1925
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Maryland |
| Surname | Day |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Laytonsville District |
| Est. Birth Year | ~1925 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Isaac Day | Son | — | 7 | ~1923 |
| Lottie Day | Other | — | 36 | ~1894 |
| Kattie Day | Daughter | — | 12 | ~1918 |
| Daniel Day | Head | — | 48 | ~1882 |
| Frank Day | Son | — | 5 | ~1925 |
| John Day | Son | — | 10 | ~1920 |
| Goldie Day | Daughter | — | 14 | ~1916 |
| Norman Day | Son | — | 1 | ~1929 |
| Albert Day | Son | — | 3 | ~1927 |
| Stanley Day | Son | — | 4 | ~1926 |
Census Appearances
1930
Montgomery, Maryland
Son, age 5
Montgomery, Maryland · implied b. ~1925 — 10 household members
| Surname | Day |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Montgomery-County, Maryland
Son, age 16
Montgomery-County, Maryland · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | Frankland |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Elec Dist # 1 |
| 1935 Residence (County) | Montgomery |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 60 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Frank Day across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Day
Son · 1930 · age 5 · b. ~1925 · Maryland
★ You are viewing this record
Sibling
Stanley Day
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kattie Day
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isaac Day
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Goldie Day
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Day
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Day
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Day
Sibling · 1930 · age 1
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 — Montgomery, Maryland
Open full size
1930 US Federal Census — Montgomery, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus876unit:0657)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Adala Mary Jones | 55 | Wife-H | — | Virginia |
| 2 | Samuel A. Howell | 47 | Head | Farmer | Maryland |
| 3 | Grace V. Howell | 42 | Wife-H | — | Maryland |
| 4 | Leonard S. Howell | 15 | Son | — | Maryland |
| 5 | Lawrence E. Howell | 11 | Son | — | Maryland |
| 6 | Elizabeth M. Howell | 6 | Daughter | — | Maryland |
| 7 | Grace L. Howell | 2 | Daughter | — | Maryland |
| 8 | Nellie Howell | 50 | Cousin | — | Maryland |
| 9 | Eugene D. Hengla | 43 | Head | Farmer | Maryland |
| 10 | Alice S. Hengla | 33 | Wife-H | — | Dist. of Col. |
| 11 | Margaret V. Jones | 49 | Mother-in-law | — | Maryland |
| 12 | Linford R. Ab. Jones | 11 | Son | — | Maryland |
| 13 | Fred B. Ames | 59 | Head | Laborer | Wisconsin |
| 14 | Lois Ames | 54 | Wife-H | — | Iowa |
| 15 | Loy Yankey | 21 | Head | Farm Laborer | Virginia |
| 16 | Martha J. Yankey | 20 | Wife-H | — | Virginia |
| 17 | Harry L. Yankey | 2 | Son | — | Virginia |
| 18 | Wade W. Yankey | 1 | Son | — | Maryland |
| 19 | Roger A. Dogley | 32 | Head | Hauling | Maryland |
| 20 | Frances M. Dogley | 30 | Wife-H | — | Maryland |
| 21 | William Ab. Dogley | 11 | Son | — | Maryland |
| 22 | Ruth E. Dogley | 7 | Daughter | — | Maryland |
| 23 | James A. Williams | 40 | Head | Manager | Maryland |
| 24 | Elizabeth S. Williams | 42 | Wife-H | — | Maryland |
| 25 | James A. Williams | 3 | Son | — | Maryland |
| 26 | Mary J. Sprouffs | 23 | Sister-in-law | Comptometer Operator | Maryland |
| 27 | Lollie H. Gray | 62 | Head-H | Farmer | Kentucky |
| 28 | William H. Walker | 49 | Nephew | Overseer | Kentucky |
| 29 | William H. Jr. Walker | 18 | Nephew | — | Alabama |
| 30 | Iona Garrison | 42 | Servant | Servant | Maryland |
| 31 | Laura L. Williams | 60 | Mother-H | — | Maryland |
| 32 | Eleanor Williams | 63 | Sister-in-law | — | Maryland |
| 33 | Walter B. Williams | 23 | Son | Farmer | Maryland |
| 34 | Irene C. Williams | 22 | Daughter-in-law | — | Virginia |
| 35 | Walter B. Jr. Williams | 1 | Grandson | — | Washington D.C. |
| 36 | Constance C. Williams | 18 | Daughter | — | Maryland |
| 37 | Daniel B. Day | 48 | Head | Farm Laborer | Maryland |
| 38 | Lottie Day | 36 | Wife-H | — | Maryland |
| 39 | Goldie V. Ab. Day | 14 | Daughter | — | Maryland |
| 40 | Kattie Ab. Day | 12 | Daughter | — | Maryland |
| 41 | John Day | 10 | Son | — | Maryland |
| 42 | Isaac Day | 7 | Son | — | Maryland |
| 43 | Frank Day THIS PERSON | 5 | Son | — | Maryland |
| 44 | Stanley Day | 4 | Son | — | Maryland |
| 45 | Albert Day | 3 | Son | — | Maryland |
| 46 | Norman L. Day | 1 | Son | — | Maryland |
| 47 | Irving S. Prather | 24 | Head | Fireman | Maryland |
| 48 | Mamie B. Prather | 24 | Wife-H | — | Maryland |
| 49 | Howell Prather | 8 | Son | — | Maryland |
| 50 | Douglas Prather | 6 | Son | — | Maryland |
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)