Lavinia Pritchard and mother Mary Ann Pritchard/Marshall

[Mabel Bagshawe]

Rachel Chester Wright

Birth    16 Jul 1871, England
Death    13 Jan 1953, Pittsburgh, Allegheny, Pennsylvania, USA
Father:    William Marshall
Mother:    Mary Chester

[Mabel Bagshawe]

Robert Harry Marshall
Birth    11 Aug 1878,    England
Death      16 Jun 1949, Pittsburgh, Allegheny, Pennsylvania
Father:    William Marshall
Mother:    Mary Ann Pritchard
Spouse:    Bella Green Marshall

As to why they emigrated to Pennsylvania  - that area  attracted many coal and iron workers from the UK

[shellyesq]

It looks like there are obituaries for Robert and Rachel in the Pittsburgh papers.  https://archives.post-gazette.com/search/#lnd=1&query=rachel+wright+bevins&dr_year=1953-1953&t=4098 

https://www.newspapers.com/search/#query=robert+marshall&ymd-start=1949-06-16&ymd-end=1949-06-17&t=3518,4098&p_place=PA

I don't have a full subscription, but you can see some of the search result, play around with the search terms, and see more of the obituary by clicking on the little black arrows.  It appears that they had a sister named Ethel M. Bevins.  This looks like her: 

1900 census - https://www.familysearch.org/ark:/61903/1:1:MS1P-461
1910 census - https://www.familysearch.org/ark:/61903/1:1:MGHX-DC7
1930 census - https://www.familysearch.org/ark:/61903/1:1:XCCQ-F95
1940 census - https://www.familysearch.org/ark:/61903/1:1:KQWC-DJX
Marriage of Ethel Marshall & Walter Bevins - https://www.familysearch.org/ark:/61903/1:1:VF92-J9V

[RJ137]

Robert H Marshall

The Pittsburgh Press
Pittsburgh, Pennsylvania
Friday, June 17, 1949 - Page 39

Obit: https://www.newspapers.com/clip/21823178/robert_h_marshallobit/

====================

Rachel Wright

The Pittsburgh Press
Pittsburgh, Pennsylvania
Wednesday, January 14, 1953 - Page 28

Obit: https://www.newspapers.com/clip/21823220/rachel_wrightobit/

================

Walter Bevins (Ethel's husband)

The Pittsburgh Press
Pittsburgh, Pennsylvania
Friday, February 25, 1944 - Page 29

Obit: https://www.newspapers.com/clip/21823266/walter_bevinsobit/

================

Ethel M Bevins

Died in Youngstown, Ohio

Pittsburgh Post-Gazette
Pittsburgh, Pennsylvania
Friday, October 05, 1956 - Page 16

Go to page 16

Obit: https://news.google.com/newspapers?nid=gL9scSG3K_gC&dat=19561005&printsec=frontpage&hl=en

Added:

Last Name    First Name    Death Date    County        Cert. ID
Bevins         Ethel M        Oct 03, 1956   Mahoning   1956147183-1956147184

http://resources.ohiohistory.org/death/

[RJ137]

Tom Marshall

Birth: 16 Jan 1859
Birth Place: England
Death: 13 Apr 1947
Father:   William Marshall
Mother:   Mary Chester
Spouse:   Alice Marshall

The Pittsburgh Press
Pittsburgh, Pennsylvania
Monday, April 14, 1947 - Page 28

Obit: https://www.newspapers.com/clip/21824327/tom_marshallobit/

[RJ137]

William Marshall

Birth Date:   2 Feb
[abt 1868]
Birth Place:   England
Death Date:   24 Jul 1937
Death Place:   Pittsburgh, Allegheny, Pennsylvania, USA
Father:   William Marshall
Mother:   Mary Anne Prichard
Spouse:   Minnie Marwood

The Pittsburgh Press
Pittsburgh, Pennsylvania
Sunday, July 25, 1937 - Page 39

Obit: https://www.newspapers.com/clip/21825355/william_marshall_obit/