She married a Richard Richings at some point and moved to Spokane Washington according to her naturalization papers. There is also a photo of her on the paperwork (Ancestry.com)
Declaraction of Intention:Spokane WA, 5/15/1941 Irene L. Manning b.7/7/1914 in Phoenix B.C. Canada, residing Wallace ID
Petition for Naturalization:Spokane WA Irene Manning Richings b.7/7/1914 Phoenix B.C. Canada, residing Spokane WA, spouse Richard Ranier, married 8/28/1943 Wallace ID.One child Michael Kent Richings b.10/4/1944 born Spokane WA.
Social Security Death Index: Irene Richings b.7/7/1914 d.11/1975, last residence Spokane WA, S/S# issued Idaho before 1951. Richard R. Richings b.10/14/1914 d.10/1992, last residence Spokane WA, S/S# issued Oregon before 1951. Michael Richings b.10/1944 d.5/1975, S/S# issued Washington 1960-61.
Department of Veterans Affairs: Michael Richings b.10/4/1944 d.5/31/1975.Army enlistment 3/4/1968, release date 2/13/1970