Took a look on Genealogy Bank and found obits for potentially 3 out of the 4 unknown children born to Patrick & Annie that died young.  Most of these obits however named the father Patrick "K."; all the recent info rec'd indicates that Patrick's middle name was Timothy.  The last born child, Leo Timothy Mullin, has his father's middle name.  The 3 children whose obits I found were named James Leo [I don't think Leo was that common and it was also the name of Patrick & Annie's last child]; Andrew P. [Annie's brother was named Andrew, and P could stand for Patrick]; and Joseph P. [middle name Patrick again].  

I studied the city directory entries I'd extracted for Patrick in Baltimore from 1882 through the early 1900s.  I was able to match 2 out of 3 addresses to the childrens' obits.  [The other obit did not specify whether or not the address shown for the funeral was the parents' home address, and it was not an address shown anywhere in the Patrick Mullin listings.]  Most of the city directories listed Patrick with no middle initial.  However the 1895 entry had him listed under both surnames Mullen and Mullin, same address as the 1895 obit for his son; the Mullin listing showed the middle initial "K".  The 1884 listing showed Patrick K; the following year he was listed at the same address, no middle initial.  The same for the 1898 and 1899 listings.  There were various Patrick Mullins listed in the Baltimore directories over the years, some of which were fairly easy to eliminate.  The above were the only listings for Patrick with the middle initial "K", and they matched the probable addresses for "my" Patrick.

Date-wise, the obits indicate birthdates for 3 children which fit in pretty well with the estimated birthdates of the Mullin children listed in the federal censuses.  There are one or two instances where a date does not fit, but the Keys family tree in those cases does show different birthdates for those siblings.  The federal censuses are not always accurate; not sure where the info came from for the Keys database though.

While still researching, I am going to tentatively add the 3 children who died young to my database.

MULLEN FAMILY

New breakthrough on this family!

My great-grandmother Mary "Minnie" McKenney Anderson had a sister Annie and a brother Andrew.  [No news on Andrew.]  Annie married Patrick Mullin, an Irish immigrant, and per federal censuses they had 11 children, half of whom died young [and are unnamed so far].  I was able to follow the boys in censuses and military records, but did not have the married names of the girls for the longest time.  I eventually found Annie, widowed, living with married daughter Ellen Bender - and that was it.

Recently I was contacted by Nancy, granddaughter of son Leo Mullin.  So exciting! She sent me a picture of his mother Annie - here she is, side by side with a picture of her sister [my g-grandmother] Mary:

Then the other day I did a quick search on familysearch.org and found Annie Mullin's Will online - naming her surviving children, including married daughters!  I haven't had a lot of luck finding the married daughters in the censuses, but followed up with a lookup on Ancestry and found a public tree for the Keys family - one of the married daughters.  Family history says Annie Mullin's oldest daughter married, moved to Canada and had many children.  The Keys family tree did show a date of death, in Ontario Canada, for that daughter - yahoo!

Naturally with all this new info came new questions - such as, Annie's 1933 Will stating she wanted her home to be rented to the daughter who later died in Canada.  Had she not moved to Canada yet?  Her date of death is shown as 1977, and she married [or at least left home] between 1900-1910 [per federal census]. She may have returned to Maryland temporarily at her mother's death, then returned and later died in Canada - but then why the rental in Maryland?  Oops--it was not the Canadian daughter who was named to rent mother's house...

There was another Mullin family in Baltimore during the same time as Annie's husband Patrick - in fact I think the Bernard Mullin with whom Patrick appeared to live and work as a recent immigrant, may have been his brother or another close relative.  Patrick's first [known] child was named John Bernard Mullin.  But, research on Patrick Mullin's antecedents comes second to that of his and Annie's children.

Onward...!