LN
Louis Nelson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Louis Nelson across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents Christian & Christian — first a son (b.~1901), then head of a 7-person household.
Age 29
b. ~1901
Male
Son
Born: Massachusetts
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Nelson |
| Given Name | Louis J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Medical Asst |
| Industry | U.S.A. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Medical Asst |
| Township / Ward | Woburn City |
| Est. Birth Year | ~1901 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Robert Nelson | Son | — | 20 | ~1910 |
| Roy Nelson | Son | — | 28 | ~1902 |
| Louis Nelson | Son | — | 29 | ~1901 |
| Harold Nelson | Son | — | 18 | ~1912 |
| Dorothy Nelson | Daughter | — | 23 | ~1907 |
| Gustaf Nelson | Head | — | 59 | ~1871 |
| Abel Nelson | Spouse | — | 50 | ~1880 |
Census Appearances
1910
Middlesex, Massachusetts
Son, age 9
Middlesex, Massachusetts · implied b. ~1901 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Den. Danish |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Middlesex, Massachusetts
Son, age 18
Middlesex, Massachusetts · implied b. ~1902 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Louis J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Massachusetts |
| Occupation | Draughtsman |
| Industry | Machine Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 29
Middlesex, Massachusetts · implied b. ~1901 — 7 household members
| Surname | Nelson |
| Given Name | Louis J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Massachusetts |
| Occupation | Medical Asst |
| Industry | U.S.A. |
| Class of Worker | W |
| Can Read/Write | 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 Louis Nelson across 3 US Census years (1910, 1920 and 1930) in Middlesex, Massachusetts, using XGBoost record linkage. Identified parents: father Christian Nelson (~0.92 confidence) and father Christian Nelson (~0.92 confidence) and father Gustaf Nelson (~0.92 confidence) and mother Abel Nelson (~0.92 confidence) and mother Ethel Nelson (~0.92 confidence) and mother Ethel Nelson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Christian Nelson
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Christian Nelson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Gustaf Nelson
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Abel Nelson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Ethel Nelson
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Ethel Nelson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Nelson
Son · 1930 · age 29 · b. ~1901 · Massachusetts
★ You are viewing this record
Sibling
Roy Nelson
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Nelson
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Nelson
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Nelson
Sibling · 1930 · age 23
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:massachusettscensus00reel931:0740)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Arthur J Rouleau | 46 | Head | Machine Operator | Maine |
| 52 | Thomas W Healey | 59 | Head | — | Massachusetts |
| 53 | Mary E Healey | 53 | Wife | — | Massachusetts |
| 54 | Catherine E Healey | 20 | Daughter | Stenographer | Rhode Island |
| 55 | Elizabeth R Healey | 15 | Daughter | — | Massachusetts |
| 56 | Mary A Healey | 15 | Daughter | — | Maryland |
| 57 | John J Healey | 10 | Son | — | New Jersey |
| 58 | Bartholomew Mahoney | 59 | Head | Proprietor | Massachusetts |
| 59 | Frances H Mahoney | 57 | Wife | — | Massachusetts |
| 60 | Mary R Mahoney | 25 | Daughter | Stenographer | Massachusetts |
| 61 | Grace R Mahoney | 23 | Daughter | Bookkeeper | Massachusetts |
| 62 | H. Beatrice Mahoney | 18 | Daughter | — | Massachusetts |
| 63 | John B Mahoney | 12 | Son | — | Massachusetts |
| 64 | Mary A Lorea | 64 | Head | Practical Nurse | Canada-English |
| 65 | William H Lorea | 74 | Brother | — | Canada-English |
| 66 | Francis J Lorea | 55 | Brother | Billing Clerk | Massachusetts |
| 67 | Michael W Mcgowan | 64 | Head | Trimmer | Irish Free State |
| 68 | Bridget A Mcgowan | 62 | Wife | — | Irish Free State |
| 69 | Margaret J Mcgowan | 32 | Daughter | Tel. Operator | Massachusetts |
| 70 | William J Mcgowan | 20 | Son | Taxi Chauffeur | Massachusetts |
| 71 | Barbara G Lunt | 26 | Daughter | Bookkeeper | Massachusetts |
| 72 | Joseph P Hearne | 32 | Head | Retail Merchant | Massachusetts |
| 73 | Margaret L Hearne | 33 | Wife | — | Massachusetts |
| 74 | Richard H Hearne | 7 | Son | — | Massachusetts |
| 75 | Joseph P Jr Hearne | 5 | Son | — | Massachusetts |
| 76 | Winifred L Hearne | 1 | Daughter | — | Massachusetts |
| 77 | Michael F Foley | 73 | Father-in-law | — | Irish Free State |
| 78 | Bessie V Foley | 45 | Sister-in-law | Machine Stitcher | Massachusetts |
| 79 | Eugene W Jones | 40 | Head | Conductor | Massachusetts |
| 80 | Catherine L Jones | 40 | Wife | — | Massachusetts |
| 81 | William D Jones | 14 | Son | — | Massachusetts |
| 82 | Ruth Jones | 12 | Daughter | — | Massachusetts |
| 83 | Robert A Jones | 10 | Son | — | Massachusetts |
| 84 | William F Dunn | 49 | Head | Sta. Engr. | Massachusetts |
| 85 | Louisa A Dunn | 50 | Wife | — | Massachusetts |
| 86 | William F Dunn | 11 | Son | — | Massachusetts |
| 87 | Marie B Dunn | 9 | Daughter | — | Massachusetts |
| 88 | Svante Pearson | 58 | Head | Leather Worker | Sweden |
| 89 | Jennie O Pearson | 53 | Wife | — | Sweden |
| 90 | Arnold W Pearson | 26 | Son | Shipper | Massachusetts |
| 91 | Edith C Pearson | 21 | Daughter | Stenographer | Massachusetts |
| 92 | Mattias Pearson | 62 | Head | — | Sweden |
| 93 | Nannie Pearson | 46 | Sister | Dressmaker | Sweden |
| 94 | Gustaf Nelson | 59 | Head | Machinist | Denmark |
| 95 | Abel M Nelson | 50 | Wife | — | Massachusetts |
| 96 | Louis J Nelson THIS PERSON | 29 | Son | Medical Asst | Massachusetts |
| 97 | Roy G Nelson | 28 | Son | Bookkeeper | Massachusetts |
| 98 | Dorothy G Nelson | 23 | Daughter | Laundress | Massachusetts |
| 99 | Robert F Nelson | 20 | Son | Leather Worker | Massachusetts |
| 100 | Harold E Nelson | 18 | Son | Grand Clerk | Massachusetts |
Related Census Records
Pedigree Summary
Louis + 4 siblings
Gen 1 · 6 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)