WC
William Crosby — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this William Crosby across the 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 6-person household.
Age 23
b. ~1907
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Crosby |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Trucking Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chauffeur |
| Township / Ward | Somerville 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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Francis Crosby | Son | — | 32 | ~1898 |
| Francis Crosby | Head | — | 60 | ~1870 |
| Agnes Crosby | Spouse | — | 60 | ~1870 |
| Madeline Crosby | Daughter | — | 19 | ~1911 |
| William Crosby | Son | — | 23 | ~1907 |
| Arthur Crosby | Son | — | 28 | ~1902 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 12
Middlesex, Massachusetts · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | William L. |
| 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 — 6 household members
| Surname | Crosby |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Chauffeur |
| Industry | Trucking Co |
| 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 William Crosby across 2 US Census years (1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Crosby
Son · 1930 · age 23 · b. ~1907 · Massachusetts
★ You are viewing this record
Sibling
Madeline Crosby
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Crosby
Sibling · 1930 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Crosby
Sibling · 1930 · age 28
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:massachusettscensus00reel927:1022)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary F Sullivan | 14 | Daughter | — | Massachusetts |
| 52 | Paul Grandi | 57 | Head | Oiler | Italy |
| 53 | Adeline Grandi | 53 | Wife | — | Italy |
| 54 | Emily Grandi | 24 | Daughter | Hair Dresser | Italy |
| 55 | Mary Grandi | 19 | Daughter | Clerk | Massachusetts |
| 56 | Joseph S Grandi | 16 | Son | Helper | Massachusetts |
| 57 | Emma D Grandi | 13 | Daughter | — | Massachusetts |
| 58 | Florence Grandi | 11 | Daughter | — | Massachusetts |
| 59 | Pasquale Rossi | 34 | Boarder | Baker | Italy |
| 60 | Michael Hart | 64 | Head | Laborer | Irish Free State |
| 61 | Mary A Hart | 52 | Wife | — | Massachusetts |
| 62 | Joseph M Hart | 20 | Son | Trimmer | Massachusetts |
| 63 | Rita M Hart | 9 | Daughter | — | Massachusetts |
| 64 | Francis G Jr Crosby | 60 | Head | Laborer | Massachusetts |
| 65 | Agnes Crosby | 60 | Wife | — | Massachusetts |
| 66 | Francis J Crosby | 32 | Son | Chauffeur | Massachusetts |
| 67 | Arthur G Crosby | 28 | Son | Clerk | Massachusetts |
| 68 | William F Crosby THIS PERSON | 23 | Son | Chauffeur | Massachusetts |
| 69 | Madeline F Crosby | 19 | Daughter | Stenographer | Massachusetts |
| 70 | Cornelius Kelliher | 61 | Head | Shipper | Massachusetts |
| 71 | Mary E Kelliher | 58 | Wife | — | Massachusetts |
| 72 | Emma Benson | 80 | Head | — | New Hampshire |
| 73 | Timothy M Benson | 53 | Daughter | — | New Hampshire |
| 74 | Ellen J Mackinnon | 40 | Head | Waitress | Massachusetts |
| 75 | Albert R Mackinnon | 18 | Son | — | Massachusetts |
| 76 | Louise B Mackinnon | 16 | Daughter | Packer | Massachusetts |
| 77 | Samuel K Specht | 34 | Head | Carpenter | West Virginia |
| 78 | Mildred C Specht | 29 | Wife | — | Massachusetts |
| 79 | Ralph C Specht | 10 | Son | — | Massachusetts |
| 80 | Robert S Specht | 7 | Son | — | Massachusetts |
| 81 | Matthew S Callahan | 33 | Head | Electrician | Massachusetts |
| 82 | Viola V Callahan | 29 | Wife | — | New York |
| 83 | Ruth M Callahan | 1 | Daughter | — | Massachusetts |
| 84 | Charles L Kingsley | 65 | Head | Manager | Massachusetts |
| 85 | Elizabeth M Kingsley | 55 | Wife | — | Massachusetts |
| 86 | Paul V Kingsley | 26 | Son | Merchant Helper | Massachusetts |
| 87 | Francis E Kingsley | 18 | Son | — | Massachusetts |
| 88 | William J Kingsley | 15 | Son | — | Massachusetts |
| 89 | Anthony Silva | 62 | Head | Laborer | Portugal |
| 90 | Mary R Silva | 42 | Wife | — | Portugal |
| 91 | Edward Silva | 22 | Son | Laborer | Portugal |
| 92 | Olga Silva | 13 | Daughter | — | Massachusetts |
| 93 | Leo Silva | 10 | Son | — | Massachusetts |
| 94 | Alda Silva | 9 | Daughter | — | Massachusetts |
| 95 | Adeline Silva | 7 | Daughter | — | Massachusetts |
| 96 | Manuel Almeida | 42 | Head | Oiler Maker | Portugal |
| 97 | Theresa Almeida | 34 | Wife | — | Portugal |
| 98 | Fernando Almeida | 14 | Son | — | Portugal |
| 99 | Manuel Almeida | 3 | Son | — | Massachusetts |
| 100 | John Almeida | 1 | Son | — | Massachusetts |
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)