I’ve been thinking more about that blue outfit and thought I’d search out fashion of the 60’s. At the below link, notice 4th pic down and collar on far right outfit. Tunic tops could button or not, but length is what makes it a tunic. Comes to hip line. SAD’s collar matches the time, but the length of the top is short for a tunic by about 2-3 inches. It does look very early 60’s!
http://coutureallure.blogspot.com/2010/01/vintage-maternity-fashions-1960.html
This, for what it is worth, from Wikepedia about maternity. Notably, maternity wear usually consisted of loose top and skirt:
“In the 1950s, Lucille Ball was the first woman to show her pregnancy on TV.[20] [21] The television show I Love Lucy brought new attention to maternity wear. Most of the maternity dresses were two pieces with loose tops and narrow skirts. Stretch panels accommodated for the woman’s growing figure. The baby boom of the 1940s to the 1950s also caused focus on maternity wear. Even international designers such as Givenchy and Norman Hartnell created maternity wear clothing lines. Despite the new emphasis on maternity wear in the 1950s maternity wear fashions were still being photographed on non-pregnant women for advertisements.[22]
On September 29, 1959, the maternity panty [1] was patented which provided expansion in the vertical direction of the abdomen. The front panel of this maternity undergarment was composed of a high degree of elasticity so in extreme stretched conditions, the woman could still feel comfortable.[23]”
Here is a vintage maternity pattern that fits that bill:
Also, at this link see fashion of the 60-63 period, influenced by J. Kennedy. Even plump ladies would have emulated these designs.
http://www.fashion-era.com/1960s/1960s_1_fashion_pictures_1960_1963.htm
I read at the next link that by the mid 60’s, shortly shorn hair similar to the flapper hair had become stylish. More details at this excerpt:
” In midsummer, after the Presidential candidates had been nominated, a great deal of heat was generated over their wives’ clothes and personal style. Pat Nixon, 48, true to her party, was a conservatively dressed, nice-looking woman. Jacqueline Kennedy was another matter entirely—just turned 31, she had dash and possessed a model figure plus a genuine instinct for fashion. Mrs. Kennedy was criticized for buying some of her clothes in Paris and for her free-wheeling hairdo, Mrs. Nixon for buying ultra-expensive clothes at Elizabeth Arden. The issues were finally resolved; Pat Nixon’s ward-robe expenses were explained, and Jacqueline Kennedy tamed her hairdo slightly and revealed that she usually wore American-designed clothes (one of her favorite designers was Norman Norell). With the Kennedy election victory, elated American designers and dress manufacturers prophesied that Mrs. Kennedy would set new fashion trends that were sure to be widely copied. For her Inaugural Ball gown, Mrs. Kennedy commissioned Bergdorf Goodman, New York City, to make up a design based on her own original sketches.
By fall, everyone hungered for news of what was to be. From Paris and New York came remarkably unanimous agreement about the look—very Twenties, with short, almost shingled hair (in Paris, it actually was shingled); cloches or big-domed hats without brims; sheathy, almost waistless dresses cut off at the knees; and lower-heeled, more man-tailored shoes.
Norman Norell had forecast the trend with the showing of his fall collection, in which the models shingled their hair, wore clown-white make-up and charcoal-shaded lids, and slithered about in his distinctly flapper dresses—beaded tubes for night, wool or jersey shifts for day. The hottest news in the fall fashion picture was made by Norell’s culotted suits. The culottes were cut so shrewdly that their nature became apparent only in motion; they were slim rather than full and fell straight from the hips. Many of America’s most distinctive fashion personalities took to them as being more suitable (and ladylike) for hopping in and out of cars, buses, and pedestrian traffic than the tight, slim skirts of yore, and lesser designers copied them, often not quite as successfully as the master. In fact, Norell felt so strongly about the proper cut and hang that he offered to lend his pattern free to any designers who wished to make use of it, an unprecedented action in the fashion world.”
Link:
http://retro-fashion-history.com/html/1960_fashion_and_vintage_cloth.html
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On a separate note...did you know Hawaii had a tsunami in 1960? Pictures here:
http://www.examiner.com/american-history-in-national/hawaii-tsunamis-of-1946-and-1960-picture
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Not sure any of this is remotely helpful. But for most women, hair styles and clothing styles are very telling of personality.
Your speculations are taking you way off the deep end into never never land.