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Annie Olson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Annie Olson across the 1930 and 1940 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 5-person household.
Age 32
b. ~1898
Female
Spouse
Born: Massachusetts
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Olson |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Part Of Arlington Town |
| Est. Birth Year | ~1898 |
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 Annie | Age | Birth yr |
|---|---|---|---|---|
| John Olson | Son | — | 9 | ~1921 |
| Ralph Olson | Son | — | 7 | ~1923 |
| Ralph Olson | Head | — | 33 | ~1897 |
| Eleanor Olson | Daughter | — | 8 | ~1922 |
| Annie Olson | Spouse | — | 32 | ~1898 |
Census Appearances
1930
Middlesex, Massachusetts
Spouse, age 32
Middlesex, Massachusetts · implied b. ~1898 — 5 household members
| Surname | Olson |
| Given Name | Annie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Spouse, age 42
Middlesex-County, Massachusetts · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olson |
| Given Name | Anna M. |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Malden (City) |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Annie Olson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Annie Olson
Spouse · 1930 · age 32 · b. ~1898 · 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
50 people indexed on this census page (ia:1930:massachusettscensus00reel913:0883)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ronald J Ormond | 31 | Head | Iron Worker | Canada-English |
| 2 | Mary G Ormond | 31 | Wife | — | Scotland |
| 3 | Phyllis Elizabeth Ormond | 3 | Daughter | — | Scotland |
| 4 | Francis A Wynne | 36 | Head | Secretary | Maine |
| 5 | Ella Wynne | 27 | Wife | Clerk | Maine |
| 6 | Mary C Wynne | 7 | Daughter | — | District Columbia |
| 7 | Harry W Murnane | 35 | Head | Cashier | Massachusetts |
| 8 | Marie Murnane | 31 | Wife | — | Maine |
| 9 | Marjorie Murnane | 5 | Daughter | — | Massachusetts |
| 10 | William Gardner | 63 | Head | Cabinet Maker | Scotland |
| 11 | Rebecca Gardner | 66 | Wife | — | Scotland |
| 12 | William Gardner | 24 | Son | — | Massachusetts |
| 13 | William Krzywicki | 47 | Head | Proprietor | Poland |
| 14 | Stephanie Krzywicki | 38 | Wife | — | Poland |
| 15 | Dorothy Krzywicki | 19 | Daughter | — | Massachusetts |
| 16 | Eleanor Krzywicki | 17 | Daughter | — | Massachusetts |
| 17 | Ludwick Krzywicki | 67 | Mother-in-law | — | Poland |
| 18 | Arnold M Lotshook | 31 | Head | Upholsterer | Massachusetts |
| 19 | Marie Lotshook | 32 | Wife | Salesman | Denmark |
| 20 | Priscilla Lotshook | 8 | Daughter | — | Massachusetts |
| 21 | Lois Lotshook | 2 | Daughter | — | Massachusetts |
| 22 | Mark Maguire | 32 | Head | Signal Man | Massachusetts |
| 23 | Mary L Maguire | 28 | Wife | — | Massachusetts |
| 24 | Ruth M Maguire | 6 | Daughter | — | Massachusetts |
| 25 | Mark Maguire | 1 | Son | — | Massachusetts |
| 26 | Ralph F Olson | 33 | Head | Truck Driver | Massachusetts |
| 27 | Annie Olson THIS PERSON | 32 | Wife | — | Massachusetts |
| 28 | John Olson | 9 | Son | — | Massachusetts |
| 29 | Eleanor J Olson | 8 | Daughter | — | Massachusetts |
| 30 | Ralph W Olson | 7 | Son | — | Massachusetts |
| 31 | Axel E Erickson | 39 | Head | Carpenter | Sweden |
| 32 | Ruth E Erickson | 32 | Wife | — | Massachusetts |
| 33 | Robert E Erickson | 3 | Son | — | Massachusetts |
| 34 | George H Kendall | 45 | Head | Watchman | Massachusetts |
| 35 | Helen B Kendall | 37 | Wife | Interior Decorator | Massachusetts |
| 36 | Dorothea Kendall | 14 | Daughter | — | Massachusetts |
| 37 | William O'Connor | 60 | Head | Clerk | Irish Free State |
| 38 | Mary O'Connor | 60 | Wife | — | Malta |
| 39 | Mary E O'Connor | 29 | Daughter | Bookkeeper | Massachusetts |
| 40 | Julia F O'Connor | 23 | Daughter | — | Massachusetts |
| 41 | William J O'Connor | 18 | Son | — | Massachusetts |
| 42 | Michael Donovan | 45 | Head | Truck Driver | Massachusetts |
| 43 | Margaret Donovan | 40 | Wife | — | Massachusetts |
| 44 | Kathleen Donovan | 12 | Daughter | — | Massachusetts |
| 45 | Francis Donovan | 10 | Son | — | Massachusetts |
| 46 | James Regan | 76 | Father-in-law | — | Irish Free State |
| 47 | Julia Driscoll | 55 | Head | — | Massachusetts |
| 48 | Margaret Driscoll | 44 | Sister | Packer | Massachusetts |
| 49 | John Driscoll | 43 | Brother | Laborer | Massachusetts |
| 50 | Don C.C. Lewis | 40 | Head | Salesman | 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)