RM
Roy Miller — 1930 US Census Record
Model Tree available1930 United States Federal Census · Washington, Maryland
Our Model Tree links this Roy Miller across the 1920, 1930 and 1940 US Censuses in Washington, Maryland (XGBoost, ~Confirmed), with identified parents John & Margaret — first a son (b.~1886), then head of a 4-person household.
Age 44
b. ~1886
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Washington, Maryland |
| Surname | Miller |
| Given Name | Roy C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Gen. Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Sandy Hook Election District 11 |
| Est. Birth Year | ~1886 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Margaret Miller | Head | — | 79 | ~1851 |
| Norris Miller | Other | — | 16 | ~1914 |
| William Miller | Son | — | 51 | ~1879 |
| Roy Miller | Son | — | 44 | ~1886 |
Census Appearances
1920
Washington, Maryland
Son, age 34
Washington, Maryland · implied b. ~1886 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Roy C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Maryland |
| Occupation | Farmer |
| Industry | Laborer |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Washington, Maryland
Son, age 44
Washington, Maryland · implied b. ~1886 — 4 household members
| Surname | Miller |
| Given Name | Roy C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Gen. Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Washington-County, Maryland
Other, age 51
Washington-County, Maryland · implied b. ~1889 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Miller |
| Given Name | Ray C. |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Township 11 |
| 1935 Residence (County) | Washington |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 500 |
| Highest Grade | No 6 |
| 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 Roy Miller across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Miller (~0.92 confidence) and mother Margaret Miller (~0.92 confidence) and mother Margaret Miller (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Miller
b. ~1849
Source father
● Household
· direct · ~0.92
Mother
Margaret Miller
b. ~1851
Source mother
● Household
· direct · ~0.92
Mother
Margaret Miller
b. ~1853
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Miller
Son · 1930 · age 44 · b. ~1886 · Maryland
★ You are viewing this record
Sibling
William Miller
Sibling · 1930 · age 51
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 — Washington, Maryland
Open full size
1930 US Federal Census — Washington, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus881unit:0546)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Julia A Nelson | 26 | Wife-H | None | Maryland |
| 2 | Mary J Nelson | 7 | Daughter | None | Maryland |
| 3 | Julia V Nelson | 1 | Daughter | None | Maryland |
| 4 | James Nelson | 2 | Son | None | Maryland |
| 5 | William Boyd | 41 | Head | Car Repairman | Maryland |
| 6 | Augusta Boyd | 38 | Sister-H | None | Maryland |
| 7 | Margaret J Boyd | 20 | Niece | None | Maryland |
| 8 | John W Greenwalt | 28 | Head | Brakeman | Virginia |
| 9 | Abraham Greenwalt | 52 | Father | None | Maryland |
| 10 | Mary M Greenwalt | 49 | Mother | None | Maryland |
| 11 | Joseph P Greenwalt | 16 | Brother | None | Virginia |
| 12 | Ellen M Greenwalt | 10 | Sister | None | Maryland |
| 13 | Sarah A Greenwalt | 70 | G. Mother | None | Virginia |
| 14 | Howard Greenwalt | 31 | Head | Track Labourer | Virginia |
| 15 | Ella R Greenwalt | 29 | Wife-H | None | Maryland |
| 16 | Charles R Greenwalt | 3 | Son | None | West Virginia |
| 17 | Eli W Walker | 63 | Head | Laborer | Illinois |
| 18 | Emma F Walker | 54 | Wife-H | None | Maryland |
| 19 | Pauline V Reynolds | 15 | Gr. Daughter | Piecer | Maryland |
| 20 | John Rose | 70 | Head | Trackman | Virginia |
| 21 | Annie E Rose | 69 | Wife-H | None | Virginia |
| 22 | Howard H Senft | 27 | Head | Laborer | Virginia |
| 23 | Bertha E Senft | 31 | Wife-H | None | Maryland |
| 24 | Howard H Senft | 5 | Son | None | Maryland |
| 25 | Ethel M Senft | 1 | Daughter | None | Maryland |
| 26 | Spencer C Weaver | 54 | Head | Retail Merchant | Maryland |
| 27 | Hester A Weaver | 45 | Wife-H | None | Virginia |
| 28 | Edgar H Weaver | 17 | Son | None | West Virginia |
| 29 | Mary S Ambrose | 70 | Mother-in-Law | None | Virginia |
| 30 | Russell J Miller | 40 | Head | Car Repairman | Maryland |
| 31 | Beulah P Miller | 44 | Wife-H | None | Virginia |
| 32 | Margaret Miller | 5 | Daughter | None | Maryland |
| 33 | Blanch L Kitchen | 18 | Step-Daughter | Finisher | Maryland |
| 34 | Lester S Kitchen | 16 | Step-Son | None | Maryland |
| 35 | Bertha E Kitchen | 15 | Step-Daughter | None | Maryland |
| 36 | Albert R Peachux | 74 | Boarder | None | Maryland |
| 37 | David P Harris | 60 | Head | Farmer | Iowa |
| 38 | Nancy E Harris | 58 | Wife-H | None | Iowa |
| 39 | Thomas A Harris | 21 | Son | Farmer | Iowa |
| 40 | Harry S Harris | 13 | Son | Farm Laborer | Iowa |
| 41 | Margaret A Miller | 79 | Head | None | Maryland |
| 42 | William E Miller | 51 | Son | Trucker | Maryland |
| 43 | Roy C Miller THIS PERSON | 44 | Son | Laborer | Maryland |
| 44 | Norris Clarence L Miller | 16 | Gr. Son | None | Maryland |
| 45 | John R Miller | 49 | Head | Car Inspector | Maryland |
| 46 | Daisy M Miller | 32 | Wife-H | None | Maryland |
| 47 | Morgan J Clougherty | 60 | Head | Machinist | Ireland |
| 48 | Mary E Clougherty | 40 | Wife-H | None | Ireland |
| 49 | William Thompson | 70 | Head | None | Maryland |
| 50 | Sarah J Thompson | 64 | Sister-H | None | Maryland |
Pedigree Summary
Roy + 1 sibling
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)