AO
Andrew Olson — 1920 US Census Record
Model Tree available1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this Andrew Olson across the 1920, 1930 and 1940 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed), with identified parents Anna — first a son (b.~1873), then head of a 2-person household.
Age 47
b. ~1873
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Olson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Canada |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Swampscott Town |
| Est. Birth Year | ~1873 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Andrew | Age | Birth yr |
|---|---|---|---|---|
| Anna Olson | Head | — | 79 | ~1841 |
| Andrew Olson | Son | — | 47 | ~1873 |
Census Appearances
1920
Essex, Massachusetts
Son, age 47
Essex, Massachusetts · implied b. ~1873 — 2 household members
| Surname | Olson |
| Given Name | Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Other, age 57
Essex, Massachusetts · implied b. ~1873 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Andrew |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Other, age 68
Essex-County, Massachusetts · implied b. ~1872 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | Andrew |
| Relationship to Head | Uncle |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Danvers |
| 1935 Residence (County) | Essex |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Massachusetts |
| 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 Andrew Olson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Anna Olson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Anna Olson
b. ~1841
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Andrew Olson
Son · 1920 · age 47 · b. ~1873 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu697unit:0901)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Joseph B. Boyden | 63 | Head | Boatman | New Hampshire |
| 52 | Eunice M. Boyden | 70 | Housekeeper | Housekeeper | Massachusetts |
| 53 | Charlotte Marsh | 76 | Head | — | Massachusetts |
| 54 | Charlotte M. Marsh | 50 | Daughter | — | Massachusetts |
| 55 | Albert Sturtevant | 29 | Head | Auto Supt. | Maine |
| 56 | Susie Sturtevant | 29 | Wife | — | Massachusetts |
| 57 | Ronald F. Sturtevant | 12 | Son | — | Massachusetts |
| 58 | Jack Sturtevant | 9 | Son | — | Massachusetts |
| 59 | Barbara A. Sturtevant | 3 | Daughter | — | Massachusetts |
| 60 | Ruth Sturtevant | 1 | Daughter | — | Massachusetts |
| 61 | George W. Sturtevant | 57 | Father | Musician | Maine |
| 62 | Louis B. Harnell | 45 | Head | Chauffeur | New Jersey |
| 63 | Alice E. Harnell | 12 | Daughter | — | New Jersey |
| 64 | Jessie M. Harnell | 12 | Daughter | — | Massachusetts |
| 65 | Louis F. Harnell | 8 | Son | — | Massachusetts |
| 66 | Philip H. Harnell | 4 | Son | — | Massachusetts |
| 67 | Anna M. Harnell | 69 | Mother | Housekeeper | Canada |
| 68 | Carroll J. Webster | 48 | Head | Draftsman | District of Columbia |
| 69 | Fannie L. Webster | 39 | Wife | — | Pennsylvania |
| 70 | Carroll J. Jr. Webster | 16 | Son | — | District of Columbia |
| 71 | Richard H. Webster | 11 | Son | — | District of Columbia |
| 72 | Arthur J. Hammond | 44 | Head | Artist | Connecticut |
| 73 | Ruth S. Hammond | 43 | Wife | — | New Hampshire |
| 74 | Mary S. Hammond | 8 | Son | — | Massachusetts |
| 75 | Emma Coan | 57 | Head | — | Massachusetts |
| 76 | Marie Coan | 27 | Daughter | Inspector Connector | Massachusetts |
| 77 | Jessie Coan | 23 | Daughter | Bookkeeper | Massachusetts |
| 78 | Julia Coan | 19 | Daughter | Lacer | Massachusetts |
| 79 | Lorraine Coan | 25 | Daughter | — | Massachusetts |
| 80 | John Coan | 22 | Son | — | Massachusetts |
| 81 | Garnett Coan | 17 | Son | Tool Maker | Massachusetts |
| 82 | Vincent Coan | 2 | Grandson | — | Massachusetts |
| 83 | Linvalle Wharf | 26 | Head | Chauffeur Truck | Massachusetts |
| 84 | Carrie G. Wharf | 24 | Wife | — | Massachusetts |
| 85 | Elias H. Wharf | 4 | Son | — | Massachusetts |
| 86 | Caroline Wharf | 3 | Daughter | — | Massachusetts |
| 87 | Ray L. Wharf | 1 | Son | — | Massachusetts |
| 88 | Chas. M. Munroe | 24 | Head | Fisherman | Massachusetts |
| 89 | Mary A. Munroe | 24 | Wife | — | Ireland |
| 90 | Francis Munroe | 1 | Son | — | Massachusetts |
| 91 | Anna Olson | 79 | Head | Cutter | Canada |
| 92 | Andrew Olson THIS PERSON | 47 | Son | — | Massachusetts |
| 93 | Albert T. Barnes | 53 | Head | Salesman | Massachusetts |
| 94 | Mary L. Barnes | 52 | Wife | — | Canada |
| 95 | Howard L. Barnes | 25 | Son | — | Massachusetts |
| 96 | Winter Marian Barnes | 9 | Granddaughter | — | New York |
| 97 | Cornelius Ring | 33 | Head | Steam Fitter | Ireland |
| 98 | Winifred N. Ring | 32 | Wife | — | Ireland |
| 99 | Healey Mary Ring | 70 | Aunt | — | Ireland |
Pedigree Summary
Andrew
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)