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Robert Griffin — 1930 US Census Record
Model Tree available1930 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Robert Griffin across the 1910, 1920 and 1930 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Cornelius & John — first a head (b.~1891), then head of a 3-person household.
Age 39
b. ~1891
Male
Head
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Essex, Massachusetts |
| Surname | Griffin |
| Given Name | Robert B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | No |
| Veteran | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Salem City |
| Est. Birth Year | ~1891 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mary Griffin | Other | — | 32 | ~1898 |
| Robert Griffin | Head | — | 39 | ~1891 |
| Robert Griffin | Son | — | 4 | ~1926 |
Census Appearances
1910
Essex, Massachusetts
Son, age 19
Essex, Massachusetts · implied b. ~1891 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Robert W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Driver |
| Industry | Doctor |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 28
Essex, Massachusetts · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffin |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Shoe Cutter |
| Industry | Shoe Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Head, age 39
Essex, Massachusetts · implied b. ~1891 — 3 household members
| Surname | Griffin |
| Given Name | Robert B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 25 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Chauffeur |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 40.00 |
| Radio Set | No |
| Veteran | Yes |
| 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 Griffin across 3 US Census years (1910, 1920 and 1930) in Essex, Massachusetts, using XGBoost record linkage. Identified parents: father Cornelius Griffin (~0.92 confidence) and father John Griffin (~0.92 confidence) and mother Ellen Griffin (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cornelius Griffin
b. ~1858
Source father
● Household
· direct · ~0.92
Father
John Griffin
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Ellen Griffin
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Griffin
Head · 1930 · age 39 · b. ~1891 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Essex, Massachusetts
Open full size
1930 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1930:massachusettscensus00reel902:1038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Maurice Smith | 56 | Head | Principal | Ohio |
| 52 | Ruth S. Smith | 39 | Wife-H | — | Massachusetts |
| 53 | Sylvia Smith | 4 | Daughter | — | Massachusetts |
| 54 | James A. Leonard | 47 | Head | Proprietor | Massachusetts |
| 55 | Anna B. Leonard | 45 | Wife-H | — | Massachusetts |
| 56 | Dorothea R. Leonard | 15 | Daughter | — | Massachusetts |
| 57 | Eliza M. Case | 65 | Head | Teacher | Massachusetts |
| 58 | Mary A. Case | 75 | Sister-H | — | Massachusetts |
| 59 | Alice K. Case | 39 | Daughter | Teacher | Massachusetts |
| 60 | Emma M. Case | 37 | Daughter | Teacher | Massachusetts |
| 61 | Jeremiah H. Daley | 70 | Brother-in-law | Agent | Massachusetts |
| 62 | Prince Connor | 72 | Head | Currier | Irish Free State |
| 63 | Agnes Q. Connor | 38 | Daughter-H | — | Massachusetts |
| 64 | Patrick J. Connor | 52 | Son | Proprietor | Irish Free State |
| 65 | Josephine Connor | 49 | Daughter | Buyer | Irish Free State |
| 66 | Patrick F. Lanning | 61 | Head | Clerk Postal | Massachusetts |
| 67 | Margaret A. Lanning | 50 | Sister-H | — | Massachusetts |
| 68 | Elizabeth L. Lanning | 41 | Sister | Teacher | Massachusetts |
| 69 | Warren H. Butler | 40 | Head | Salesman | Maryland |
| 70 | Helen H. Butler | 40 | Wife-H | — | Massachusetts |
| 71 | Jonathan G. Butler | 12 | Son | — | Massachusetts |
| 72 | Harriett H. Butler | 10 | Daughter | — | Massachusetts |
| 73 | Elizabeth K. Butler | 7 | Daughter | — | Massachusetts |
| 74 | Bridget Gallagher | 51 | Servant | Servant | Northern Ireland |
| 75 | Robert B. Griffin THIS PERSON | 39 | Head | Chauffeur | Massachusetts |
| 76 | Mary E. Griffin | 32 | Wife-H | — | Massachusetts |
| 77 | Robert B. Griffin | 4 | Son | — | Massachusetts |
| 78 | Richard D. Seaman | 39 | Head | Accountant | Massachusetts |
| 79 | Nathalie Seaman | 35 | Wife-H | — | Massachusetts |
| 80 | James Seaman | 11 | Son | — | Massachusetts |
| 81 | Eleanor Seaman | 9 | Daughter | — | Massachusetts |
| 82 | Harriett Seaman | 6 | Daughter | — | Massachusetts |
| 83 | Francis Seaman | 2 | Daughter | — | Massachusetts |
| 84 | John Healy | 63 | Head | Gardener | Irish Free State |
| 85 | Ellen J. Healy | 55 | Wife-H | — | Irish Free State |
| 86 | Margaret Healy | 23 | Daughter | Clerk | Massachusetts |
| 87 | Katherine Ab Healy | 19 | Daughter | — | Massachusetts |
| 88 | Michael J. Callahan | 52 | Head | Buffer | Irish Free State |
| 89 | Bridget Callahan | 54 | Wife-H | — | Irish Free State |
| 90 | Joseph P. Fay | 43 | Head | Agent | Massachusetts |
| 91 | Katherine G. Fay | 49 | Sister-H | Clerk | Massachusetts |
| 92 | Theresa O. Fay | 44 | Sister | Proprietress | Massachusetts |
| 93 | Agnes C. Fay | 39 | Sister | Clerk | Massachusetts |
| 94 | Stephen H. Sinclair | 60 | Head | Salesman | Massachusetts |
| 95 | Mary A. Sinclair | 52 | Wife-H | — | Massachusetts |
| 96 | Walton Mary B. Sinclair | 9 | Niece | — | Massachusetts |
| 97 | Robert L. Mcgrath | 34 | Head | Chemist | Massachusetts |
| 98 | Katherine S. Mcgrath | 30 | Wife-H | — | Massachusetts |
| 99 | Teresa K. Warren | 35 | Head-H | Bookkeeper | Vermont |
| 100 | Katherine C. Warren | 33 | Sister | Bookkeeper | Vermont |
Pedigree Summary
Robert
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)