RL
Robert Lucas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Robert Lucas across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Charles & Martin — first a son (b.~1907), then head of a 5-person household.
Age 23
b. ~1907
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Lucas |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | S |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Auto |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Newton City |
| 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 |
|---|---|---|---|---|
| John Lucas | Son | — | 20 | ~1910 |
| Robert Lucas | Son | — | 2 | ~1928 |
| Charles Lucas | Head | — | 29 | ~1901 |
| Jean Lucas | Spouse | — | 38 | ~1892 |
| Robert Lucas | Son | — | 23 | ~1907 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 3
Middlesex, Massachusetts · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | Robert C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lucas |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1907 — 5 household members
| Surname | Lucas |
| Given Name | Robert E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | S |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Chauffeur |
| Industry | Auto |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Lucas across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Charles Lucas (~0.60 confidence) and father Martin Lucas (~0.92 confidence) and father Newton Lucas (~0.92 confidence) and mother Elizabeth Lucas (~0.92 confidence) and mother Jean Lucas (~0.92 confidence) and mother Mary Lucas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Charles Lucas
b. ~1901
Source father
● Household
· direct · ~0.6
Father
Martin Lucas
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Newton Lucas
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Lucas
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Jean Lucas
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Mary Lucas
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lucas
Son · 1930 · age 23 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
John Lucas
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lucas
Sibling · 1930 · age 2
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 — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel926:0101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles E Lucas | 29 | Head | Chauffeur | Massachusetts |
| 52 | Jean E Lucas | 38 | Wife | None | Canada English |
| 53 | Robert E Lucas THIS PERSON | 23 | Son | Chauffeur | Massachusetts |
| 54 | John M Lucas | 20 | Son | None | Canada English |
| 55 | Robert G Lucas | 2 | Son | None | Massachusetts |
| 56 | Duncan A Mc Lennan | 60 | Head | Gardener | Canada English |
| 57 | Agnes Mc Lennan | 76 | Wife | None | Scotland |
| 58 | Lewis F Mc Lennan | 25 | Son | Gardener | Massachusetts |
| 59 | Jean D Mc Lennan | 20 | Daughter | None | Massachusetts |
| 60 | Walter E Mc Lennan | 18 | Son | None | Massachusetts |
| 61 | Alice M Mc Lennan | 16 | Daughter | None | Massachusetts |
| 62 | Gertrude M Mc Lennan | 13 | Daughter | None | Massachusetts |
| 63 | Margaret Mc Lennan | 68 | Sister | None | Canada English |
| 64 | George E Carney | 40 | Head | Salesman | New Hampshire |
| 65 | Mildred O Carney | 37 | Wife | Practitioner | New Hampshire |
| 66 | Clifford A Rummel | 26 | Head | None | Massachusetts |
| 67 | Mildred E Rummel | 28 | Wife | None | Massachusetts |
| 68 | Clara R Huska | 65 | Aunt | Dressmaker | Connecticut |
| 69 | Howard E Rummel | 21 | Brother | Bookkeeper | Massachusetts |
| 70 | Robert H Schleyhake | 77 | Head | Cabinet Maker | Maine |
| 71 | Lucia E Schleyhake | 43 | Wife | None | Massachusetts |
| 72 | Robert H Jr Schleyhake | 24 | Son | Mechanic | Massachusetts |
| 73 | Ruth E Schleyhake | 23 | Daughter | Assistant | Massachusetts |
| 74 | Hazel B Schleyhake | 19 | Daughter | Stenographer | Massachusetts |
| 75 | Edna M Schleyhake | 16 | Daughter | None | Massachusetts |
| 76 | Dorothy G Schleyhake | 10 | Daughter | None | Massachusetts |
| 77 | Isaac J Gibson | 47 | Head | Barber | North Carolina |
| 78 | Mamie E Gibson | 44 | Wife | None | Canada English |
| 79 | Robert W Gibson | 15 | Son | None | Massachusetts |
| 80 | George E Merrill | 70 | Head | Painter | Maine |
| 81 | Alice H Merrill | 47 | Wife | None | Ireland South |
| 82 | Milton T Merrill | 24 | Son | Investigator | Massachusetts |
| 83 | Alice Dickinson | 24 | Lodger | Assistant | Massachusetts |
| 84 | Antonio T Festa | 45 | Head | Barber | Italy |
| 85 | Marguerite Festa | 45 | Wife | None | Italy |
| 86 | Ralph S Festa | 22 | Son | None | New York |
| 87 | Amelia M Festa | 20 | Daughter | Salesgirl | Massachusetts |
| 88 | Lena M Festa | 19 | Daughter | Bookkeeper | Massachusetts |
| 89 | Henrietta Festa | 17 | Daughter | None | Massachusetts |
| 90 | Frank Festa | 15 | Son | None | Massachusetts |
| 91 | Elizabeth Festa | 7 | Daughter | None | Massachusetts |
| 92 | Hattie T Carsley | 68 | Head | None | Maine |
| 93 | Cora L Richardson | 74 | Boarder | None | Massachusetts |
| 94 | Marie S Walker | 34 | Lodger | Clerk | Canada English |
| 95 | Janet S Sexton | 25 | Boarder | Librarian | Scotland |
| 96 | Margaret Endsley | 61 | Boarder | None | Massachusetts |
| 97 | Mary G Smith | 58 | Head | Teacher | Massachusetts |
| 98 | Frank H Franklin | 63 | Head | Reporter | Massachusetts |
| 99 | Florence H Franklin | 58 | Wife | None | Michigan |
| 100 | Caroline F Bartlett | 82 | Boarder | None | Massachusetts |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 6 parents
~0.87
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)