RP
Robert Parker — 1930 US Census Record
Model Tree available1930 United States Federal Census · Dorchester, Maryland
Our Model Tree links this Robert Parker across the 1910, 1920 and 1930 US Censuses in Dorchester, Maryland (XGBoost, ~Confirmed), with identified parents Robert & Clara — first a son (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Dorchester, Maryland |
| Surname | Parker |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | 3Rd Election District |
| Est. Birth Year | ~1907 |
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 |
|---|---|---|---|---|
| Robert Parker | Head | — | 50 | ~1880 |
| Monroe Zimmerman | Other | — | 16 | ~1914 |
| Clara Parker | Other | — | 41 | ~1889 |
| William Parker | Son | — | 22 | ~1908 |
| Robert Parker | Son | — | 23 | ~1907 |
Census Appearances
1910
Dorchester, Maryland
Son, age 5
Dorchester, Maryland · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Robert B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| 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 |
1920
Dorchester, Maryland
Son, age 14
Dorchester, Maryland · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Parker |
| Given Name | Robert B Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| 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 |
1930
Dorchester, Maryland
Son, age 23
Dorchester, Maryland · implied b. ~1907 — 5 household members
| Surname | Parker |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | 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 Parker across 3 US Census years (1910, 1920 and 1930) in Dorchester, Maryland, using XGBoost record linkage. Identified parents: father Robert Parker (~0.92 confidence) and mother Clara Parker (~0.92 confidence) and mother Elva Parker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Parker
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Clara Parker
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Elva Parker
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Parker
Son · 1930 · age 23 · b. ~1907 · Maryland
★ You are viewing this record
Sibling
William Parker
Sibling · 1930 · age 22
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 — Dorchester, Maryland
Open full size
1930 US Federal Census — Dorchester, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus873unit:0628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | James I Johnson | 11 | Son | — | Maryland |
| 52 | Virginia M Johnson | 9 | Daughter | — | Maryland |
| 53 | Lurman S Johnson | 7 | Son | — | Maryland |
| 54 | Calvert C Johnson | 4 | Son | — | Maryland |
| 55 | Mary L Johnson | 1 | Daughter | — | Maryland |
| 56 | Allen Camper | 29 | Head | Laborer | Maryland |
| 57 | Omer Camper | 22 | Wife-H | — | Maryland |
| 58 | Bruce Camper | 3 | Son | — | Maryland |
| 59 | Stewart Lott | 19 | Boarder | Laborer | Maryland |
| 60 | John Binder | 28 | Head | Laborer | Maryland |
| 61 | Irene Binder | 20 | Wife-H | — | Maryland |
| 62 | Charles Whittington | 25 | Boarder | Laborer | Maryland |
| 63 | Harry L Broughan | 52 | Head | Farmer | Maryland |
| 64 | Lottie B Broughan | 45 | Wife-H | — | Maryland |
| 65 | Harry L Broughan | 21 | Son | Laborer | Maryland |
| 66 | Gladys V Broughan | 15 | Daughter | — | Maryland |
| 67 | Margaret E Broughan | 13 | Daughter | — | Maryland |
| 68 | Ellwood A Broughan | 11 | Son | — | Maryland |
| 69 | John T Broughan | 7 | Son | — | Maryland |
| 70 | Robert B Parker | 50 | Head | — | Maryland |
| 71 | Clara Parker | 41 | Wife-H | — | Maryland |
| 72 | Robert B Parker THIS PERSON | 23 | Son | — | Maryland |
| 73 | William R Parker | 22 | Son | — | Maryland |
| 74 | Monroe Zimmerman | 16 | Nephew | — | Maryland |
| 75 | Frank Willey | 46 | Head | Farmer | Maryland |
| 76 | Mary J Willey | 39 | Wife-H | — | Maryland |
| 77 | Linwood E Willey | 19 | Son | Laborer | Maryland |
| 78 | Nelson J Willey | 17 | Son | Laborer | Maryland |
| 79 | Jessie D Willey | 15 | Son | Laborer | Maryland |
| 80 | Hazel I Willey | 12 | Daughter | — | Maryland |
| 81 | Winifred Willey | 10 | Daughter | — | Maryland |
| 82 | Cora F Willey | 7 | Daughter | — | Maryland |
| 83 | Gladys M Willey | 3 | Daughter | — | Maryland |
| 84 | Florence A Willey | 1 | Daughter | — | Maryland |
| 85 | Wilbur L Hughes | 48 | Head | Farmer | Maryland |
| 86 | Naomi L Hughes | 43 | Wife-H | — | Maryland |
| 87 | Hazel L Hughes | 14 | Daughter | — | Maryland |
| 88 | Sidney H Hughes | 11 | Son | — | Maryland |
| 89 | John H Doolittle | 57 | Head | Farmer | Maryland |
| 90 | Annie M Doolittle | 52 | Wife-H | — | Maryland |
| 91 | Irene J Doolittle | 26 | Daughter | — | Maryland |
| 92 | John H Doolittle | 24 | Son | Laborer | Maryland |
| 93 | Nellie J Doolittle | 20 | Daughter | — | Delaware |
| 94 | Clyde E Doolittle | 17 | Son | Laborer | Delaware |
| 95 | Cecil C Doolittle | 14 | Son | — | Delaware |
| 96 | Mildred V Doolittle | 14 | Daughter | — | Delaware |
| 97 | Gustava Doolittle | 4 | Granddaughter | — | Delaware |
| 98 | Lurman O Doolittle | 3 | Gr-Son | — | Delaware |
| 99 | John E Bennett | 53 | Head | Farmer | Maryland |
| 100 | Lula M Bennett | 39 | Wife-H | — | Maryland |
Pedigree Summary
Robert + 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)