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Mary Lund — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Ramsey, Minnesota
Our Model Tree links this Mary Lund across the 1930 and 1940 US Censuses in Ramsey, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 7-person household.
Age 6
b. ~1924
Female
Daughter
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ramsey, Minnesota |
| Surname | Lund |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1924 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Robert Lund | Son | — | 11 | ~1919 |
| Katherine Lund | Head | — | 32 | ~1898 |
| Richard Lund | Son | — | 10 | ~1920 |
| James Lund | Son | — | 4 | ~1926 |
| Mary Lund | Daughter | — | 6 | ~1924 |
| William Lund | Son | — | 2 | ~1928 |
| Katherine Lund | Daughter | — | 8 | ~1922 |
Census Appearances
1930
Ramsey, Minnesota
Daughter, age 6
Ramsey, Minnesota · implied b. ~1924 — 7 household members
| Surname | Lund |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 16
Ramsey-County, Minnesota · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lind |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St Paul City |
| 1935 Residence (County) | Ramsey |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Mary Lund across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lund
Daughter · 1930 · age 6 · b. ~1924 · Minnesota
★ You are viewing this record
Sibling
Richard Lund
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Lund
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lund
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lund
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Lund
Sibling · 1930 · age 8
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 — Ramsey, Minnesota
Open full size
1930 US Federal Census — Ramsey, Minnesota
Page Contents
34 people indexed on this census page (ia:1930:minnesotacensus00reel1116:0904)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarka Mathews | 32 | Head | Mechanic | Ireland |
| 2 | Martha Mathews | 28 | Wife | — | Minnesota |
| 3 | Sarka Mathews | 7 | Son | — | Minnesota |
| 4 | Donald Mathews | 7 | Son | — | Minnesota |
| 5 | Georgine Mathews | 5 | Daughter | — | Minnesota |
| 6 | Harvey H. Jehlen | 35 | Head | Pressman | Minnesota |
| 7 | Marie Jehlen | 31 | Wife | — | Minnesota |
| 8 | Mary Jehlen | 57 | Mother | — | Germany |
| 9 | Isabelle Jehlen | 19 | Sister | Machine Oper. | Minnesota |
| 10 | Joseph Tricker | 30 | Head | Laborer | Minnesota |
| 11 | Christine Williams | 52 | Aunt | — | Illinois |
| 12 | Frank Boucher | 31 | Head | Conductor | Wisconsin |
| 13 | Marie M. Boucher | 27 | Wife | — | Canada French |
| 14 | Frank Jr. Boucher | 5 | Son | — | Minnesota |
| 15 | Vincent Boucher | 4 | Son | — | Minnesota |
| 16 | Robert Boucher | 2 | Son | — | Minnesota |
| 17 | Richard Boucher | 1 | Son | — | Minnesota |
| 18 | Donald Boucher | 0 | Son | — | Minnesota |
| 19 | Joseph E. Boucher | 56 | Head | Conductor | Wisconsin |
| 20 | Marie M. Boucher | 57 | Wife | — | Canada French |
| 21 | Mark Alquist | 25 | Head | Clerk | Minnesota |
| 22 | Marie Alquist | 26 | Wife | — | Minnesota |
| 23 | Mark Jr. Alquist | 6 | Son | — | Minnesota |
| 24 | Vincent Alquist | 4 | Son | — | Minnesota |
| 25 | Katherine Lund | 32 | Head | — | Minnesota |
| 26 | Robert Lund | 11 | Son | — | Minnesota |
| 27 | Richard Lund | 10 | Son | — | Minnesota |
| 28 | Katherine Lund | 8 | Daughter | — | Minnesota |
| 29 | Mary Lund THIS PERSON | 6 | Daughter | — | Minnesota |
| 30 | James Lund | 4 | Son | — | Minnesota |
| 31 | William Lund | 2 | Son | — | Minnesota |
| 32 | Joseph Boucher | 56 | Head | Conductor | Wisconsin |
| 33 | Marie M. Boucher | 57 | Wife | — | Canada French |
| 34 | Joseph Jr. Boucher | 25 | Son | Clerk | Minnesota |
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)