In a word: definitely.  Training corsets were worn at the age of 2.  
By the time she was 13, she might have moved on to a regular corset. 
If you happen to have The History of Underclothes
on hand, you can see fig 71 on page 164 in which a very young girl
(10?) is wearing her corset and hoops.  The figure is from earlier
(1861) but the idea of young girls wearing a corset was the same.  



-Elizabeth Caldwell

> Date: Mon, 21 Jan 2008 08:43:38 -0500
> From: [log in to unmask]
> Subject: Corset Question
> To: [log in to unmask]
> 
> Hello all--
> 
> I am sure there is someone on the list who can offer assistance with  
> this question: at approximately what age did girls in the late 19th  
> century put on their corsets?
> 
> I am working with my theater department on a short program featuring  
> the character of a girl who would have been 13 in 1882.  They want to  
> know if she would have been wearing a corset under her costume--and I  
> have no idea!  Would it depend on whether she needed it or not, or  
> were they traditionally worn when girls reached a certain age?
> 
> Thank you in advance for any assistance!
> -- 
> Christian Carr
> Director, Sweet Briar Museum
> Assistant Professor of Arts Management
> PO Box 144, Sweet Briar, VA 24595
> Phone: 434.381.6246 Fax: 434.381.6132
> (mailing address same as above)
> 
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