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Harry Allen — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Harry Allen across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 4-person household.
Age 43
b. ~1887
Male
Head
Born: Vermont
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Allen |
| Given Name | Harry F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 20 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Additional Details | |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Machinist |
| Township / Ward | Lowell City |
| Est. Birth Year | ~1887 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Allen | Head | — | 43 | ~1887 |
| Ada Allen | Other | — | 41 | ~1889 |
| Lloyd Allen | Son | — | 15 | ~1915 |
| Ralph Allen | Son | — | 11 | ~1919 |
Census Appearances
1910
Middlesex, Massachusetts
Head, age 23
Middlesex, Massachusetts · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Vermont |
| Years Married | 3 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | machinist |
| Industry | machine shop |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1920
Middlesex, Massachusetts
Head, age 33
Middlesex, Massachusetts · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Machinist |
| Industry | Cotton Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Middlesex, Massachusetts
Head, age 43
Middlesex, Massachusetts · implied b. ~1887 — 4 household members
| Surname | Allen |
| Given Name | Harry F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Vermont |
| Age at First Marriage | 20 |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Vermont |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Veteran | No |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1940
Middlesex-County, Massachusetts
Other, age 53
Middlesex-County, Massachusetts · implied b. ~1887 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Harry |
| Relationship to Head | Father in law |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Widowed |
| Birthplace | Vermont |
| 1935 Residence (City) | Lowell |
| 1935 Residence (County) | Middlesex |
| Occupation | Machinist |
| Industry | Machine Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
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 Harry Allen across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Harry Allen
Head · 1930 · age 43 · b. ~1887 · Massachusetts
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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
38 people indexed on this census page (ia:1930:massachusettscensus00reel920:0474)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Malcolm S La France | 60 | Head | Carpenter | Canada-French |
| 2 | Mary La France | 60 | Wife-H | — | Canada-French |
| 3 | Elizabeth Whitten | 61 | Sister-in-law | — | Massachusetts |
| 4 | Harry Whitten | 27 | Nephew | — | Massachusetts |
| 5 | Alfred J Lathers | 43 | Head | Conductor | New York |
| 6 | Annie A Lathers | 45 | Wife-H | — | Canada-French |
| 7 | George J Lathers | 17 | Son | Helper | Massachusetts |
| 8 | John J Mullen | 50 | Head | Watchman | Massachusetts |
| 9 | Annie E Mullen | 18 | Daughter | — | Massachusetts |
| 10 | Harry F Allen THIS PERSON | 43 | Head | Machinist | Vermont |
| 11 | Ada Allen | 41 | Wife-H | — | England |
| 12 | Lloyd Allen | 15 | Son | — | Massachusetts |
| 13 | Ralph Allen | 11 | Son | — | Massachusetts |
| 14 | Harry J Whitney | 33 | Head | — | Massachusetts |
| 15 | Elizabeth Whitney | 31 | Wife-H | — | Massachusetts |
| 16 | William Whitney | 12 | Son | Worker | Massachusetts |
| 17 | Marion Whitney | 9 | Daughter | — | Massachusetts |
| 18 | Frances Whitney | 7 | Daughter | — | Massachusetts |
| 19 | Shirley Whitney | 1 | Daughter | — | Massachusetts |
| 20 | Elizabeth Dunbar | 52 | Head | — | Maine |
| 21 | George Dunbar | 31 | Son | Gardener | Massachusetts |
| 22 | Etta Flock | 34 | Daughter | — | Massachusetts |
| 23 | John Flock | 17 | Grandson | — | Massachusetts |
| 24 | Warren Flock | 15 | Grandson | — | Massachusetts |
| 25 | John Picard | 41 | Head | — | Massachusetts |
| 26 | Ralph Picard | 34 | Brother | Iron Worker | Massachusetts |
| 27 | George Gagnon | 47 | Head | Machinist | New York |
| 28 | Laura Gagnon | 41 | Wife-H | — | Michigan |
| 29 | Louis St Pierre | 52 | Head | Yard Man | Canada-French |
| 30 | Claudia St Pierre | 48 | Wife-H | — | Canada-French |
| 31 | James J St Pierre | 22 | Son | Mechanic | New Hampshire |
| 32 | Isabelle S St Pierre | 18 | Daughter | Millworker | Massachusetts |
| 33 | Frederick Whitney | 24 | Son | Steam Fitter | Massachusetts |
| 34 | Florence Whitney | 22 | Daughter-in-law | — | Massachusetts |
| 35 | Robert J Whitney | 0 | Son | — | Massachusetts |
| 36 | Alfred J Mullaney | 23 | Head | Helper | Massachusetts |
| 37 | Olive Mullaney | 24 | Wife-H | — | Massachusetts |
| 38 | Raymond Mullaney | 0 | 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)