Elizabeth Johnson is an artist about whom very little biographical information is currently available in standard reference sources. No birth or death dates have been established, and her nationality and training are not documented.
Given the commonality of the name, it is difficult to identify this particular Elizabeth Johnson with confidence among the many artists who have worked under that name across different periods and traditions. Her presence in museum collections indicates a working artist whose output was considered worthy of preservation, but the absence of firm biographical anchors makes a fuller account impossible to construct responsibly.
Further archival research and collection-level documentation would be necessary before an accurate biography of this artist can be written.