Hmmm.  Not sure that's possible (small water, short portages) in a northern entry except perhaps the Lerome - Sue Falls route.  If you would do Nym-Batch portage with an infant; Sue Falls portage would be comparable.

Theoretically you could do Pickeral/French with no portages except from the parking lot.  Stanton is a mild portage to the water same with BH.  Lerome has a few shorties until you get to Sue Falls and eventually into Quetico.  From Lerome, Bewag is a nice pass through lake with some nice nooks and cranny's away from the main part of the lake and some decent campsites that offer privacy and a only a crown land permit is required.

I might also suggest some of the crown land north of Atikokan; i.e. Dashwa, Crow Rock and that whole White Otter area.  Closer to blacktop in case you need to get the wee one out of the wilderness in a hurry.

You could enter at BH, take the short easy portage into Quetico lake and easily spend a week exploring from a base camp somewhere North of Eden Island. You could make it a loop by taking the short portage from Quetico lk back into Cirrus and then out at BH.

There is the excitement of discovering boat caches and the excitement of seeing and hearing bush planes...some of which are historic...paddling in their landing zones could be exciting...the excitement of slapping mosquitos...that of trying to distinguish between the buzz of skeeters, and that of a distant incoming plane...what else could you possibly want?

Hey there Seymour,
Not all is at it appears. The careful and nuanced blending of harmless, humorous, sarcasm that is at the same time filled with insightful wisdom has been perfected and brought to an art form at this forum (much to my delight I might add).