
Last modified: 2022-06-04 by rick wyatt
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image by Ian Sumner, 14 April 2022
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On June 17, 1941, the Irwin Memorial Blood Bank opened its doors in response 
to the lack of a sufficient method of obtaining and storing blood for later use 
– by both the military and community hospitals in the San Francisco area. The 
aim was to ensure that patients in the Bay Area would never again be without an 
adequate supply of blood. Irwin Memorial Blood Bank is credited as the first 
community blood bank in the United States.
The San Francisco County 
Medical Society granted the fledgling blood bank permission to operate out of 
the basement floor of an old San Francisco home, the Irwin Mansion. However, 
after years of growth, the blood bank had expanded its blood collection 
operations throughout Northern California, and it soon became clear that a 
bigger facility was needed for its headquarters. In April 1955, Irwin opened its 
new doors at Masonic and Turk Streets in San Francisco. The Blood Centers of the 
Pacific headquarters still exist at this location today.
In 1997, the 
Irwin Memorial Blood Bank merged with the Peninsula Memorial Blood Bank to 
become Blood Centers of the Pacific, reflecting its larger service area. In 
1999, Blood Centers of the Pacific affiliated with United Blood Services, the 
nation’s largest blood collection organization. Blood Centers of the Pacific 
merged with the Sacramento area's BloodSource blood center in 2015; United Blood 
Services changed its corporate brand name in 2018 to Vitalant and retired all of 
its regional brand names.
The Blood Systems Research Institute was housed 
at Blood Centers of the Pacific. It changed its name to Vitalant Research 
Institute as part of the rebranding"
Source:
https://en.wikipedia.org/wiki/Blood_Centers_of_the_Pacific 
"The main 
blood bank that became United Blood Services was founded in 1943 as the Salt 
River Valley Blood Bank in Phoenix, Arizona, by Opal Davis and Kitty Baldwin. 
Not long after its creation, parent company Blood Systems, Inc., was formed. 
Other blood banks that later became part of Blood Systems were founded in this 
same time period, including Blood Centers of the Pacific—whose predecessor, the 
Irwin Memorial Blood Bank, was founded in 1941 as the first community blood bank 
in the United States—and the Inland Northwest Blood Center (1945). Blood Systems 
was the first interstate blood bank, operating under multiple names; by 1967, it 
served 850 hospitals in 12 states. The youngest predecessor to Vitalant, 
LifeSource, was created in 1987 by the merger of the Blood Center of Northern 
Illinois with operations of the American Red Cross in the Chicago area. The 
company grew through mergers with other blood centers. On September 24, 2018, 
Blood Systems merged all of its existing brands under the Vitalant name. These 
included Lifeblood, Blood Centers of the Pacific, BloodSource, Bonfils Blood 
Center, Central Blood Bank, Community Blood Services, Inland Northwest Blood 
Center, LifeShare, LifeSource, and United Blood Services." 
Source:
https://en.wikipedia.org/wiki/Vitalant
"Many community blood centers were formed at the height of WWII to 
support the troops fighting overseas and communities at home. The organizations 
that make up Vitalant share a heritage of creating moments of awe for those in 
need – no matter where they may be.
1941: Irwin Memorial Blood Bank 
founded in San Francisco
1943: Salt River 
Valley Blood Bank founded in Phoenix
1943: Belle Bonfils Memorial Blood Bank 
founded in Denver
1945: Spokane Community Blood Bank founded
1948: 
Sacramento Medical Foundation founded
1948: LifeShare Community Blood 
Services founded in Northeast Ohio
1951: Central Blood Bank founded in 
Pittsburgh
1951: Blood Bank of San Bernardino and Riverside Counties (BBSBRC) 
founded
1953: Community Blood Services founded in the New Jersey/New York 
region
1959: Scientific Services/Research department formed at Irwin Memorial 
Blood Bank
1963: Lifeblood founded in Memphis
1987: Blood Center of 
Northern Illinois and American Red Cross – Mid-America Region merge to form 
LifeSource in Chicagoland"
"As transfusion medicine grew as a discipline, 
blood banks transformed into blood centers to better reflect their expanded 
services.
1956: Spokane Community Blood Bank becomes Spokane and Inland 
Empire Blood Bank
1971: Belle Bonfils Memorial Blood Bank becomes Belle 
Bonfils Memorial Blood Center (Bonfils Blood Center)
1992: Spokane and Inland 
Empire Blood Bank becomes Inland Northwest Blood Center (INBC)
1997: Irwin 
Memorial Blood Bank and Peninsula Blood Bank merge to become Blood Centers of 
the Pacific
2002: Sacramento Medical Foundation becomes 
BloodSource
2004: Blood Centers of the Pacific research arm renamed Blood 
Systems Research Institute
2011: Blood Bank of the Redwoods and Blood Centers 
of the Pacific merge
2016: Blood Centers of the Pacific and 
BloodSource merge"
"To better serve their patients, hospitals began 
merging into large health care systems in the 90s and continue to consolidate 
today. To ensure life-transforming gifts from donors across the country continue 
to be available when and where they are needed most, blood centers followed the 
lead of hospitals by joining together.
2015: Community Blood Services 
joins Blood Systems 
2016: Inland Northwest Blood Center (INBC) joins Blood 
Systems
2017: LifeSource, part of The Institute for Transfusion Medicine (ITxM), 
joins Blood Systems
2017: Blood Centers of the Pacific and BloodSource join Blood Systems
2017: Bonfils Blood Center joins Blood 
Systems
2018: Central Blood Bank joins Blood Systems"
Source: 
https://vitalant.org/About-Us/History
image by Esteban Rivera, 17 April 2022
Image located by Masao Okazaki (logo:
https://i.pinimg.com/564x/f9/a4/b2/f9a4b2b54d34bea8e042444c06665b23--walter-obrien-.jpg, 
source: 
https://co.pinterest.com/pin/451345193888907179/) 
For additional 
information go to Vitalant (official website): 
https://vitalant.org/ 
Esteban Rivera, 17 April 2022