RB
Robert Boyd — 1930 US Census Record
Model Tree available1930 United States Federal Census · Montgomery, Ohio
Our Model Tree links this Robert Boyd across the 1920, 1930 and 1940 US Censuses in Montgomery, Ohio (XGBoost, ~Confirmed), with identified parents Harry & Gary — first a son (b.~1916), then head of a 5-person household.
Age 14
b. ~1916
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Ohio |
| Surname | Boyd |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Madison Twp Part |
| Est. Birth Year | ~1916 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Norma Boyd | Daughter | — | 3 | ~1927 |
| Harry Boyd | Head | — | 41 | ~1889 |
| Gene Boyd | Son | — | 7 | ~1923 |
| Robert Boyd | Son | — | 14 | ~1916 |
| Emma Boyd | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Montgomery, Ohio
Son, age 3
Montgomery, Ohio · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Son, age 14
Montgomery, Ohio · implied b. ~1916 — 5 household members
| Surname | Boyd |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Head, age 24
Montgomery-County, Ohio · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Reed S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Occupation | Mill hand |
| Industry | Roofing |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 1935 Residence | Ohio |
| 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 Robert Boyd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Boyd (~0.92 confidence) and father Gary Boyd (~0.92 confidence) and mother Emma Boyd (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Boyd
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Gary Boyd
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Emma Boyd
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Boyd
Son · 1930 · age 14 · b. ~1916 · Ohio
★ You are viewing this record
Sibling
Norma Boyd
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gene Boyd
Sibling · 1930 · age 7
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, Ohio
Open full size
1930 US Federal Census — Montgomery, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1857:0170)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary J Clath | 57 | Head | — | Ohio |
| 52 | Everett M Clath | 22 | Son | — | Ohio |
| 53 | Herman Eudorf | 41 | Head | Gathering Eggs To Sell | California |
| 54 | Marie E Eudorf | 38 | Wife | — | Ohio |
| 55 | Louise E Eudorf | 18 | Daughter | — | Ohio |
| 56 | Mildred M Eudorf | 16 | Daughter | — | Ohio |
| 57 | Lloyd Simons | 19 | Boarder | Farm Hand | Ohio |
| 58 | Ira Stroud | 42 | Head | Laborer | Ohio |
| 59 | Mary E Stroud | 38 | Wife | — | Ohio |
| 60 | Russell E Stroud | 17 | Son | Laborer | Ohio |
| 61 | Effie G Stroud | 15 | Daughter | — | Ohio |
| 62 | Ina G Stroud | 12 | Daughter | — | Ohio |
| 63 | Elmer O Stroud | 10 | Son | — | Ohio |
| 64 | Bonnie H Stroud | 7 | Son | — | Ohio |
| 65 | Adam G Loffy | 17 | Step Son | Farm Hand | Ohio |
| 66 | Walter G Loffy | 15 | Step Son | — | Ohio |
| 67 | James W Childers | 46 | Head | Farmer | Kentucky |
| 68 | Mattie D Childers | 37 | Wife | — | Kentucky |
| 69 | Elizabeth D Childers | 16 | Daughter | — | Kentucky |
| 70 | James R Childers | 14 | Son | — | Kentucky |
| 71 | Robert E Childers | 7 | Son | — | Kentucky |
| 72 | Mildred B Childers | 5 | Daughter | — | Kentucky |
| 73 | Harry E Boyd | 41 | Head | Distributor | Ohio |
| 74 | Emma H Boyd | 40 | Wife | — | Ohio |
| 75 | Robert E Boyd THIS PERSON | 14 | Son | — | Ohio |
| 76 | Gene L Boyd | 7 | Son | — | Ohio |
| 77 | Norma G Boyd | 3 | Daughter | — | Ohio |
| 78 | Harry G Truesdale | 36 | Head | Laborer | Ohio |
| 79 | Blanche F Truesdale | 22 | Wife | — | Kentucky |
| 80 | James H Truesdale | 4 | Son | — | Ohio |
| 81 | Marion P Truesdale | 2 | Daughter | — | Ohio |
| 82 | Juanita M Truesdale | 1 | Daughter | — | Ohio |
| 83 | Arthur R Field | 36 | Head | Inspector | Ohio |
| 84 | Lillian G Field | 28 | Wife | — | Ohio |
| 85 | William L Woodward | 49 | Head | Laborer | Ohio |
| 86 | Alice M Woodward | 33 | Wife | — | Ohio |
| 87 | Ruby L Woodward | 4 | Daughter | — | Ohio |
| 88 | Calvin W Woodward | 3 | Son | — | Ohio |
| 89 | Ruth E Berry | 12 | Step Daughter | — | Ohio |
| 90 | Agatha B Gantz | 20 | Niece | — | Ohio |
| 91 | Chester H Rule | 33 | Head | Truck Driver | Ohio |
| 92 | Dora E Rule | 24 | Wife | — | Ohio |
| 93 | Frances E Rule | 9 | Daughter | — | Indiana |
| 94 | Russell E Rule | 5 | Son | — | Ohio |
| 95 | Alice B Scott | 57 | Head | — | Ohio |
| 96 | Bertha E Scott | 22 | Daughter | — | Ohio |
| 97 | Daniel J Nobis | 52 | Head | Laborer | Kentucky |
| 98 | Mary J Nobis | 51 | Wife | — | Missouri |
| 99 | Marion E Nobis | 14 | Son | — | Ohio |
| 100 | Virgil D Nobis | 12 | Son | — | Ohio |
Pedigree Summary
Robert + 2 siblings
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)